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Home Return to list High Wind Warning 0015 Issued by the Riverton Forecast Office
Action: New Issued At: 2025-12-18 12:30:03 070 WWUS75 KRIW 181829 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 1129 AM MST Thu Dec 18 2025 WYZ003-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Cody Foothills- Including the cities of Clark, Meeteetse, and Cody 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...Southwest winds 30 to 40 mph with gusts up to 70 mph expected. * WHERE...Cody Foothills. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Occasional stronger gusts to 80 mph are possible as sudden stronger winds downslope off the Absaroka Mountains. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ009-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Bighorn Mountains Southeast- 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...West winds 35 to 45 mph with gusts up to 70 mph expected, with isolated gusts to 80 mph. * WHERE...Bighorn Mountains Southeast. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The strongest gusts will occur around and north of Powder River Pass, downsloping on the eastern slopes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ010-011-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Northeast Johnson County-Southeast Johnson County- Including the cities of Buffalo and Kaycee 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...Southwest winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...Northeast Johnson County and Southeast Johnson County. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. Sudden crosswinds are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ016-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Upper Wind River Basin- Including the cities of Dubois 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...West winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Upper Wind River Basin. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Snow will occur in combination with the wind. Total accumulations around Dubois will be 3 to 6 inches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ019-020-022-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0600Z/ Green Mountains and Rattlesnake Range-Natrona County Lower Elevations-Casper Mountain- Including the cities of Jeffrey City and Casper 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 11 PM MST FRIDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...Casper Mountain, Green Mountains and Rattlesnake Range, and Natrona County Lower Elevations. * WHEN...From 7 PM this evening to 11 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Localized stronger winds up to 80 mph are possible for wind prone locations, like Outer Drive in southern Casper. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ005-006-191415- /O.NEW.KRIW.HW.W.0015.251219T0800Z-251220T0000Z/ Southwest Bighorn Basin-Southeast Bighorn Basin- Including the cities of Worland, Thermopolis, and Ten Sleep 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 1 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Southwest Bighorn Basin and Southeast Bighorn Basin. * WHEN...From 1 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ007-191415- /O.NEW.KRIW.HW.W.0015.251219T0800Z-251220T0000Z/ Owl Creek and Bridger Mountains- 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 1 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 75 mph expected. * WHERE...Owl Creek and Bridger Mountains. * WHEN...From 1 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ018-191415- /O.NEW.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Lander Foothills- Including the cities of Lander 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...Lander Foothills. * WHEN...From 8 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...There is a 25 percent chance for a wind gust to exceed 75 mph in Lander. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ026-028>030-191415- /O.NEW.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Upper Green River Basin-Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Big Piney, Rock Springs, La Barge, Green River, Farson, and Wamsutter 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...East Sweetwater County, Flaming Gorge, Rock Springs and Green River, and Upper Green River Basin. * WHEN...From 8 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Wittmann Action: New Issued At: 2025-12-18 12:30:03 070 WWUS75 KRIW 181829 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 1129 AM MST Thu Dec 18 2025 WYZ003-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Cody Foothills- Including the cities of Clark, Meeteetse, and Cody 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...Southwest winds 30 to 40 mph with gusts up to 70 mph expected. * WHERE...Cody Foothills. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Occasional stronger gusts to 80 mph are possible as sudden stronger winds downslope off the Absaroka Mountains. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ009-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Bighorn Mountains Southeast- 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...West winds 35 to 45 mph with gusts up to 70 mph expected, with isolated gusts to 80 mph. * WHERE...Bighorn Mountains Southeast. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The strongest gusts will occur around and north of Powder River Pass, downsloping on the eastern slopes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ010-011-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Northeast Johnson County-Southeast Johnson County- Including the cities of Buffalo and Kaycee 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...Southwest winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...Northeast Johnson County and Southeast Johnson County. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. Sudden crosswinds are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ016-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Upper Wind River Basin- Including the cities of Dubois 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...West winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Upper Wind River Basin. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Snow will occur in combination with the wind. Total accumulations around Dubois will be 3 to 6 inches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ019-020-022-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0600Z/ Green Mountains and Rattlesnake Range-Natrona County Lower Elevations-Casper Mountain- Including the cities of Jeffrey City and Casper 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 11 PM MST FRIDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...Casper Mountain, Green Mountains and Rattlesnake Range, and Natrona County Lower Elevations. * WHEN...From 7 PM this evening to 11 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Localized stronger winds up to 80 mph are possible for wind prone locations, like Outer Drive in southern Casper. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ005-006-191415- /O.NEW.KRIW.HW.W.0015.251219T0800Z-251220T0000Z/ Southwest Bighorn Basin-Southeast Bighorn Basin- Including the cities of Worland, Thermopolis, and Ten Sleep 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 1 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Southwest Bighorn Basin and Southeast Bighorn Basin. * WHEN...From 1 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ007-191415- /O.NEW.KRIW.HW.W.0015.251219T0800Z-251220T0000Z/ Owl Creek and Bridger Mountains- 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 1 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 75 mph expected. * WHERE...Owl Creek and Bridger Mountains. * WHEN...From 1 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ018-191415- /O.NEW.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Lander Foothills- Including the cities of Lander 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...Lander Foothills. * WHEN...From 8 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...There is a 25 percent chance for a wind gust to exceed 75 mph in Lander. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ026-028>030-191415- /O.NEW.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Upper Green River Basin-Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Big Piney, Rock Springs, La Barge, Green River, Farson, and Wamsutter 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...East Sweetwater County, Flaming Gorge, Rock Springs and Green River, and Upper Green River Basin. * WHEN...From 8 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Wittmann Action: New Issued At: 2025-12-18 12:30:03 070 WWUS75 KRIW 181829 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 1129 AM MST Thu Dec 18 2025 WYZ003-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Cody Foothills- Including the cities of Clark, Meeteetse, and Cody 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...Southwest winds 30 to 40 mph with gusts up to 70 mph expected. * WHERE...Cody Foothills. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Occasional stronger gusts to 80 mph are possible as sudden stronger winds downslope off the Absaroka Mountains. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ009-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Bighorn Mountains Southeast- 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...West winds 35 to 45 mph with gusts up to 70 mph expected, with isolated gusts to 80 mph. * WHERE...Bighorn Mountains Southeast. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The strongest gusts will occur around and north of Powder River Pass, downsloping on the eastern slopes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ010-011-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Northeast Johnson County-Southeast Johnson County- Including the cities of Buffalo and Kaycee 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...Southwest winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...Northeast Johnson County and Southeast Johnson County. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. Sudden crosswinds are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ016-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Upper Wind River Basin- Including the cities of Dubois 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...West winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Upper Wind River Basin. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Snow will occur in combination with the wind. Total accumulations around Dubois will be 3 to 6 inches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ019-020-022-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0600Z/ Green Mountains and Rattlesnake Range-Natrona County Lower Elevations-Casper Mountain- Including the cities of Jeffrey City and Casper 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 11 PM MST FRIDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...Casper Mountain, Green Mountains and Rattlesnake Range, and Natrona County Lower Elevations. * WHEN...From 7 PM this evening to 11 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Localized stronger winds up to 80 mph are possible for wind prone locations, like Outer Drive in southern Casper. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ005-006-191415- /O.NEW.KRIW.HW.W.0015.251219T0800Z-251220T0000Z/ Southwest Bighorn Basin-Southeast Bighorn Basin- Including the cities of Worland, Thermopolis, and Ten Sleep 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 1 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Southwest Bighorn Basin and Southeast Bighorn Basin. * WHEN...From 1 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ007-191415- /O.NEW.KRIW.HW.W.0015.251219T0800Z-251220T0000Z/ Owl Creek and Bridger Mountains- 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 1 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 75 mph expected. * WHERE...Owl Creek and Bridger Mountains. * WHEN...From 1 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ018-191415- /O.NEW.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Lander Foothills- Including the cities of Lander 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...Lander Foothills. * WHEN...From 8 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...There is a 25 percent chance for a wind gust to exceed 75 mph in Lander. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ026-028>030-191415- /O.NEW.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Upper Green River Basin-Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Big Piney, Rock Springs, La Barge, Green River, Farson, and Wamsutter 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...East Sweetwater County, Flaming Gorge, Rock Springs and Green River, and Upper Green River Basin. * WHEN...From 8 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Wittmann Action: New Issued At: 2025-12-18 12:30:03 070 WWUS75 KRIW 181829 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 1129 AM MST Thu Dec 18 2025 WYZ003-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Cody Foothills- Including the cities of Clark, Meeteetse, and Cody 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...Southwest winds 30 to 40 mph with gusts up to 70 mph expected. * WHERE...Cody Foothills. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Occasional stronger gusts to 80 mph are possible as sudden stronger winds downslope off the Absaroka Mountains. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ009-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Bighorn Mountains Southeast- 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...West winds 35 to 45 mph with gusts up to 70 mph expected, with isolated gusts to 80 mph. * WHERE...Bighorn Mountains Southeast. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The strongest gusts will occur around and north of Powder River Pass, downsloping on the eastern slopes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ010-011-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Northeast Johnson County-Southeast Johnson County- Including the cities of Buffalo and Kaycee 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...Southwest winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...Northeast Johnson County and Southeast Johnson County. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. Sudden crosswinds are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ016-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Upper Wind River Basin- Including the cities of Dubois 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...West winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Upper Wind River Basin. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Snow will occur in combination with the wind. Total accumulations around Dubois will be 3 to 6 inches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ019-020-022-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0600Z/ Green Mountains and Rattlesnake Range-Natrona County Lower Elevations-Casper Mountain- Including the cities of Jeffrey City and Casper 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 11 PM MST FRIDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...Casper Mountain, Green Mountains and Rattlesnake Range, and Natrona County Lower Elevations. * WHEN...From 7 PM this evening to 11 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Localized stronger winds up to 80 mph are possible for wind prone locations, like Outer Drive in southern Casper. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ005-006-191415- /O.NEW.KRIW.HW.W.0015.251219T0800Z-251220T0000Z/ Southwest Bighorn Basin-Southeast Bighorn Basin- Including the cities of Worland, Thermopolis, and Ten Sleep 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 1 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Southwest Bighorn Basin and Southeast Bighorn Basin. * WHEN...From 1 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ007-191415- /O.NEW.KRIW.HW.W.0015.251219T0800Z-251220T0000Z/ Owl Creek and Bridger Mountains- 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 1 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 75 mph expected. * WHERE...Owl Creek and Bridger Mountains. * WHEN...From 1 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ018-191415- /O.NEW.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Lander Foothills- Including the cities of Lander 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...Lander Foothills. * WHEN...From 8 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...There is a 25 percent chance for a wind gust to exceed 75 mph in Lander. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ026-028>030-191415- /O.NEW.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Upper Green River Basin-Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Big Piney, Rock Springs, La Barge, Green River, Farson, and Wamsutter 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...East Sweetwater County, Flaming Gorge, Rock Springs and Green River, and Upper Green River Basin. * WHEN...From 8 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Wittmann Action: New Issued At: 2025-12-18 12:30:03 070 WWUS75 KRIW 181829 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 1129 AM MST Thu Dec 18 2025 WYZ003-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Cody Foothills- Including the cities of Clark, Meeteetse, and Cody 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...Southwest winds 30 to 40 mph with gusts up to 70 mph expected. * WHERE...Cody Foothills. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Occasional stronger gusts to 80 mph are possible as sudden stronger winds downslope off the Absaroka Mountains. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ009-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Bighorn Mountains Southeast- 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...West winds 35 to 45 mph with gusts up to 70 mph expected, with isolated gusts to 80 mph. * WHERE...Bighorn Mountains Southeast. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The strongest gusts will occur around and north of Powder River Pass, downsloping on the eastern slopes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ010-011-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Northeast Johnson County-Southeast Johnson County- Including the cities of Buffalo and Kaycee 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...Southwest winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...Northeast Johnson County and Southeast Johnson County. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. Sudden crosswinds are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ016-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Upper Wind River Basin- Including the cities of Dubois 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...West winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Upper Wind River Basin. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Snow will occur in combination with the wind. Total accumulations around Dubois will be 3 to 6 inches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ019-020-022-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0600Z/ Green Mountains and Rattlesnake Range-Natrona County Lower Elevations-Casper Mountain- Including the cities of Jeffrey City and Casper 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 11 PM MST FRIDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...Casper Mountain, Green Mountains and Rattlesnake Range, and Natrona County Lower Elevations. * WHEN...From 7 PM this evening to 11 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Localized stronger winds up to 80 mph are possible for wind prone locations, like Outer Drive in southern Casper. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ005-006-191415- /O.NEW.KRIW.HW.W.0015.251219T0800Z-251220T0000Z/ Southwest Bighorn Basin-Southeast Bighorn Basin- Including the cities of Worland, Thermopolis, and Ten Sleep 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 1 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Southwest Bighorn Basin and Southeast Bighorn Basin. * WHEN...From 1 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ007-191415- /O.NEW.KRIW.HW.W.0015.251219T0800Z-251220T0000Z/ Owl Creek and Bridger Mountains- 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 1 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 75 mph expected. * WHERE...Owl Creek and Bridger Mountains. * WHEN...From 1 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ018-191415- /O.NEW.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Lander Foothills- Including the cities of Lander 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...Lander Foothills. * WHEN...From 8 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...There is a 25 percent chance for a wind gust to exceed 75 mph in Lander. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ026-028>030-191415- /O.NEW.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Upper Green River Basin-Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Big Piney, Rock Springs, La Barge, Green River, Farson, and Wamsutter 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...East Sweetwater County, Flaming Gorge, Rock Springs and Green River, and Upper Green River Basin. * WHEN...From 8 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Wittmann Action: New Issued At: 2025-12-18 12:30:03 070 WWUS75 KRIW 181829 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 1129 AM MST Thu Dec 18 2025 WYZ003-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Cody Foothills- Including the cities of Clark, Meeteetse, and Cody 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...Southwest winds 30 to 40 mph with gusts up to 70 mph expected. * WHERE...Cody Foothills. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Occasional stronger gusts to 80 mph are possible as sudden stronger winds downslope off the Absaroka Mountains. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ009-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Bighorn Mountains Southeast- 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...West winds 35 to 45 mph with gusts up to 70 mph expected, with isolated gusts to 80 mph. * WHERE...Bighorn Mountains Southeast. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The strongest gusts will occur around and north of Powder River Pass, downsloping on the eastern slopes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ010-011-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Northeast Johnson County-Southeast Johnson County- Including the cities of Buffalo and Kaycee 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...Southwest winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...Northeast Johnson County and Southeast Johnson County. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. Sudden crosswinds are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ016-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Upper Wind River Basin- Including the cities of Dubois 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...West winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Upper Wind River Basin. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Snow will occur in combination with the wind. Total accumulations around Dubois will be 3 to 6 inches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ019-020-022-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0600Z/ Green Mountains and Rattlesnake Range-Natrona County Lower Elevations-Casper Mountain- Including the cities of Jeffrey City and Casper 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 11 PM MST FRIDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...Casper Mountain, Green Mountains and Rattlesnake Range, and Natrona County Lower Elevations. * WHEN...From 7 PM this evening to 11 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Localized stronger winds up to 80 mph are possible for wind prone locations, like Outer Drive in southern Casper. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ005-006-191415- /O.NEW.KRIW.HW.W.0015.251219T0800Z-251220T0000Z/ Southwest Bighorn Basin-Southeast Bighorn Basin- Including the cities of Worland, Thermopolis, and Ten Sleep 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 1 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Southwest Bighorn Basin and Southeast Bighorn Basin. * WHEN...From 1 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ007-191415- /O.NEW.KRIW.HW.W.0015.251219T0800Z-251220T0000Z/ Owl Creek and Bridger Mountains- 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 1 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 75 mph expected. * WHERE...Owl Creek and Bridger Mountains. * WHEN...From 1 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ018-191415- /O.NEW.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Lander Foothills- Including the cities of Lander 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...Lander Foothills. * WHEN...From 8 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...There is a 25 percent chance for a wind gust to exceed 75 mph in Lander. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ026-028>030-191415- /O.NEW.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Upper Green River Basin-Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Big Piney, Rock Springs, La Barge, Green River, Farson, and Wamsutter 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...East Sweetwater County, Flaming Gorge, Rock Springs and Green River, and Upper Green River Basin. * WHEN...From 8 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Wittmann Action: New Issued At: 2025-12-18 12:30:03 070 WWUS75 KRIW 181829 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 1129 AM MST Thu Dec 18 2025 WYZ003-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Cody Foothills- Including the cities of Clark, Meeteetse, and Cody 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...Southwest winds 30 to 40 mph with gusts up to 70 mph expected. * WHERE...Cody Foothills. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Occasional stronger gusts to 80 mph are possible as sudden stronger winds downslope off the Absaroka Mountains. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ009-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Bighorn Mountains Southeast- 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...West winds 35 to 45 mph with gusts up to 70 mph expected, with isolated gusts to 80 mph. * WHERE...Bighorn Mountains Southeast. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The strongest gusts will occur around and north of Powder River Pass, downsloping on the eastern slopes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ010-011-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Northeast Johnson County-Southeast Johnson County- Including the cities of Buffalo and Kaycee 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...Southwest winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...Northeast Johnson County and Southeast Johnson County. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. Sudden crosswinds are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ016-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Upper Wind River Basin- Including the cities of Dubois 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...West winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Upper Wind River Basin. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Snow will occur in combination with the wind. Total accumulations around Dubois will be 3 to 6 inches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ019-020-022-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0600Z/ Green Mountains and Rattlesnake Range-Natrona County Lower Elevations-Casper Mountain- Including the cities of Jeffrey City and Casper 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 11 PM MST FRIDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...Casper Mountain, Green Mountains and Rattlesnake Range, and Natrona County Lower Elevations. * WHEN...From 7 PM this evening to 11 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Localized stronger winds up to 80 mph are possible for wind prone locations, like Outer Drive in southern Casper. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ005-006-191415- /O.NEW.KRIW.HW.W.0015.251219T0800Z-251220T0000Z/ Southwest Bighorn Basin-Southeast Bighorn Basin- Including the cities of Worland, Thermopolis, and Ten Sleep 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 1 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Southwest Bighorn Basin and Southeast Bighorn Basin. * WHEN...From 1 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ007-191415- /O.NEW.KRIW.HW.W.0015.251219T0800Z-251220T0000Z/ Owl Creek and Bridger Mountains- 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 1 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 75 mph expected. * WHERE...Owl Creek and Bridger Mountains. * WHEN...From 1 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ018-191415- /O.NEW.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Lander Foothills- Including the cities of Lander 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...Lander Foothills. * WHEN...From 8 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...There is a 25 percent chance for a wind gust to exceed 75 mph in Lander. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ026-028>030-191415- /O.NEW.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Upper Green River Basin-Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Big Piney, Rock Springs, La Barge, Green River, Farson, and Wamsutter 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...East Sweetwater County, Flaming Gorge, Rock Springs and Green River, and Upper Green River Basin. * WHEN...From 8 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Wittmann Action: New Issued At: 2025-12-18 12:30:03 070 WWUS75 KRIW 181829 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 1129 AM MST Thu Dec 18 2025 WYZ003-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Cody Foothills- Including the cities of Clark, Meeteetse, and Cody 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...Southwest winds 30 to 40 mph with gusts up to 70 mph expected. * WHERE...Cody Foothills. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Occasional stronger gusts to 80 mph are possible as sudden stronger winds downslope off the Absaroka Mountains. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ009-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Bighorn Mountains Southeast- 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...West winds 35 to 45 mph with gusts up to 70 mph expected, with isolated gusts to 80 mph. * WHERE...Bighorn Mountains Southeast. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The strongest gusts will occur around and north of Powder River Pass, downsloping on the eastern slopes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ010-011-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Northeast Johnson County-Southeast Johnson County- Including the cities of Buffalo and Kaycee 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...Southwest winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...Northeast Johnson County and Southeast Johnson County. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. Sudden crosswinds are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ016-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Upper Wind River Basin- Including the cities of Dubois 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...West winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Upper Wind River Basin. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Snow will occur in combination with the wind. Total accumulations around Dubois will be 3 to 6 inches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ019-020-022-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0600Z/ Green Mountains and Rattlesnake Range-Natrona County Lower Elevations-Casper Mountain- Including the cities of Jeffrey City and Casper 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 11 PM MST FRIDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...Casper Mountain, Green Mountains and Rattlesnake Range, and Natrona County Lower Elevations. * WHEN...From 7 PM this evening to 11 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Localized stronger winds up to 80 mph are possible for wind prone locations, like Outer Drive in southern Casper. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ005-006-191415- /O.NEW.KRIW.HW.W.0015.251219T0800Z-251220T0000Z/ Southwest Bighorn Basin-Southeast Bighorn Basin- Including the cities of Worland, Thermopolis, and Ten Sleep 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 1 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Southwest Bighorn Basin and Southeast Bighorn Basin. * WHEN...From 1 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ007-191415- /O.NEW.KRIW.HW.W.0015.251219T0800Z-251220T0000Z/ Owl Creek and Bridger Mountains- 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 1 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 75 mph expected. * WHERE...Owl Creek and Bridger Mountains. * WHEN...From 1 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ018-191415- /O.NEW.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Lander Foothills- Including the cities of Lander 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...Lander Foothills. * WHEN...From 8 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...There is a 25 percent chance for a wind gust to exceed 75 mph in Lander. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ026-028>030-191415- /O.NEW.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Upper Green River Basin-Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Big Piney, Rock Springs, La Barge, Green River, Farson, and Wamsutter 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...East Sweetwater County, Flaming Gorge, Rock Springs and Green River, and Upper Green River Basin. * WHEN...From 8 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Wittmann Action: New Issued At: 2025-12-18 12:30:03 070 WWUS75 KRIW 181829 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 1129 AM MST Thu Dec 18 2025 WYZ003-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Cody Foothills- Including the cities of Clark, Meeteetse, and Cody 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...Southwest winds 30 to 40 mph with gusts up to 70 mph expected. * WHERE...Cody Foothills. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Occasional stronger gusts to 80 mph are possible as sudden stronger winds downslope off the Absaroka Mountains. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ009-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Bighorn Mountains Southeast- 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...West winds 35 to 45 mph with gusts up to 70 mph expected, with isolated gusts to 80 mph. * WHERE...Bighorn Mountains Southeast. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The strongest gusts will occur around and north of Powder River Pass, downsloping on the eastern slopes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ010-011-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Northeast Johnson County-Southeast Johnson County- Including the cities of Buffalo and Kaycee 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...Southwest winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...Northeast Johnson County and Southeast Johnson County. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. Sudden crosswinds are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ016-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0000Z/ Upper Wind River Basin- Including the cities of Dubois 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 5 PM MST FRIDAY... * WHAT...West winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Upper Wind River Basin. * WHEN...From 7 PM this evening to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Snow will occur in combination with the wind. Total accumulations around Dubois will be 3 to 6 inches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ019-020-022-191415- /O.NEW.KRIW.HW.W.0015.251219T0200Z-251220T0600Z/ Green Mountains and Rattlesnake Range-Natrona County Lower Elevations-Casper Mountain- Including the cities of Jeffrey City and Casper 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 11 PM MST FRIDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...Casper Mountain, Green Mountains and Rattlesnake Range, and Natrona County Lower Elevations. * WHEN...From 7 PM this evening to 11 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Localized stronger winds up to 80 mph are possible for wind prone locations, like Outer Drive in southern Casper. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ005-006-191415- /O.NEW.KRIW.HW.W.0015.251219T0800Z-251220T0000Z/ Southwest Bighorn Basin-Southeast Bighorn Basin- Including the cities of Worland, Thermopolis, and Ten Sleep 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 1 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Southwest Bighorn Basin and Southeast Bighorn Basin. * WHEN...From 1 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ007-191415- /O.NEW.KRIW.HW.W.0015.251219T0800Z-251220T0000Z/ Owl Creek and Bridger Mountains- 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 1 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 75 mph expected. * WHERE...Owl Creek and Bridger Mountains. * WHEN...From 1 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ018-191415- /O.NEW.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Lander Foothills- Including the cities of Lander 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...Lander Foothills. * WHEN...From 8 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...There is a 25 percent chance for a wind gust to exceed 75 mph in Lander. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ WYZ026-028>030-191415- /O.NEW.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Upper Green River Basin-Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Big Piney, Rock Springs, La Barge, Green River, Farson, and Wamsutter 1129 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 5 PM MST FRIDAY... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...East Sweetwater County, Flaming Gorge, Rock Springs and Green River, and Upper Green River Basin. * WHEN...From 8 AM to 5 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Wittmann Action: Continued Issued At: 2025-12-19 02:02:18 869 WWUS75 KRIW 190801 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 101 AM MST Fri Dec 19 2025 WYZ003-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Cody Foothills- Including the cities of Meeteetse, Cody, and Clark 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph. * WHERE...Cody Foothills. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Occasional stronger gusts to 80 mph are possible as sudden stronger winds downslope off the Absaroka Mountains. $$ WYZ009-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Bighorn Mountains Southeast- 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...West winds 35 to 45 mph with gusts up to 70 mph, with isolated gusts to 80 mph. * WHERE...Bighorn Mountains Southeast. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The strongest gusts will occur around and north of Powder River Pass, downsloping on the eastern slopes. $$ WYZ010-011-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Northeast Johnson County-Southeast Johnson County- Including the cities of Buffalo and Kaycee 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 30 to 40 mph with gusts up to 70 mph. * WHERE...Northeast Johnson County and Southeast Johnson County. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. Sudden crosswinds are possible. $$ WYZ016-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Upper Wind River Basin- Including the cities of Dubois 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...West winds 25 to 35 mph with gusts up to 65 mph. * WHERE...Upper Wind River Basin. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Snow will occur in combination with the wind. Total accumulations around Dubois will be 3 to 6 inches. $$ WYZ019-020-022-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Green Mountains and Rattlesnake Range-Natrona County Lower Elevations-Casper Mountain- Including the cities of Casper and Jeffrey City 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph. * WHERE...Casper Mountain, Green Mountains and Rattlesnake Range, and Natrona County Lower Elevations. * WHEN...Until 11 PM MST this evening. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Localized stronger winds up to 80 mph are possible for wind prone locations, like Outer Drive in southern Casper. $$ WYZ005-006-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Southwest Bighorn Basin-Southeast Bighorn Basin- Including the cities of Worland, Thermopolis, and Ten Sleep 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph. * WHERE...Southwest Bighorn Basin and Southeast Bighorn Basin. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. $$ WYZ007-200015- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0600Z/ Owl Creek and Bridger Mountains- 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 35 to 45 mph with gusts up to 75 mph. * WHERE...Owl Creek and Bridger Mountains. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. $$ WYZ018-200000- /O.CON.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Lander Foothills- Including the cities of Lander 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 40 to 50 mph with gusts up to 70 mph. * WHERE...Lander Foothills. * WHEN...From 8 AM this morning to 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Isolated gusts of 75 mph or more cannot be ruled out at times. $$ WYZ026-028>030-200000- /O.CON.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Upper Green River Basin-Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Big Piney, Wamsutter, Rock Springs, Green River, Farson, and La Barge 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph. * WHERE...East Sweetwater County, Flaming Gorge, Rock Springs and Green River, and Upper Green River Basin. * WHEN...From 8 AM this morning to 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Dziewaltowski Action: Continued Issued At: 2025-12-19 02:02:18 869 WWUS75 KRIW 190801 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 101 AM MST Fri Dec 19 2025 WYZ003-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Cody Foothills- Including the cities of Meeteetse, Cody, and Clark 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph. * WHERE...Cody Foothills. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Occasional stronger gusts to 80 mph are possible as sudden stronger winds downslope off the Absaroka Mountains. $$ WYZ009-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Bighorn Mountains Southeast- 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...West winds 35 to 45 mph with gusts up to 70 mph, with isolated gusts to 80 mph. * WHERE...Bighorn Mountains Southeast. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The strongest gusts will occur around and north of Powder River Pass, downsloping on the eastern slopes. $$ WYZ010-011-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Northeast Johnson County-Southeast Johnson County- Including the cities of Buffalo and Kaycee 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 30 to 40 mph with gusts up to 70 mph. * WHERE...Northeast Johnson County and Southeast Johnson County. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. Sudden crosswinds are possible. $$ WYZ016-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Upper Wind River Basin- Including the cities of Dubois 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...West winds 25 to 35 mph with gusts up to 65 mph. * WHERE...Upper Wind River Basin. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Snow will occur in combination with the wind. Total accumulations around Dubois will be 3 to 6 inches. $$ WYZ019-020-022-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Green Mountains and Rattlesnake Range-Natrona County Lower Elevations-Casper Mountain- Including the cities of Casper and Jeffrey City 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph. * WHERE...Casper Mountain, Green Mountains and Rattlesnake Range, and Natrona County Lower Elevations. * WHEN...Until 11 PM MST this evening. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Localized stronger winds up to 80 mph are possible for wind prone locations, like Outer Drive in southern Casper. $$ WYZ005-006-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Southwest Bighorn Basin-Southeast Bighorn Basin- Including the cities of Worland, Thermopolis, and Ten Sleep 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph. * WHERE...Southwest Bighorn Basin and Southeast Bighorn Basin. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. $$ WYZ007-200015- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0600Z/ Owl Creek and Bridger Mountains- 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 35 to 45 mph with gusts up to 75 mph. * WHERE...Owl Creek and Bridger Mountains. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. $$ WYZ018-200000- /O.CON.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Lander Foothills- Including the cities of Lander 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 40 to 50 mph with gusts up to 70 mph. * WHERE...Lander Foothills. * WHEN...From 8 AM this morning to 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Isolated gusts of 75 mph or more cannot be ruled out at times. $$ WYZ026-028>030-200000- /O.CON.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Upper Green River Basin-Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Big Piney, Wamsutter, Rock Springs, Green River, Farson, and La Barge 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph. * WHERE...East Sweetwater County, Flaming Gorge, Rock Springs and Green River, and Upper Green River Basin. * WHEN...From 8 AM this morning to 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Dziewaltowski Action: Continued Issued At: 2025-12-19 02:02:18 869 WWUS75 KRIW 190801 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 101 AM MST Fri Dec 19 2025 WYZ003-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Cody Foothills- Including the cities of Meeteetse, Cody, and Clark 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph. * WHERE...Cody Foothills. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Occasional stronger gusts to 80 mph are possible as sudden stronger winds downslope off the Absaroka Mountains. $$ WYZ009-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Bighorn Mountains Southeast- 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...West winds 35 to 45 mph with gusts up to 70 mph, with isolated gusts to 80 mph. * WHERE...Bighorn Mountains Southeast. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The strongest gusts will occur around and north of Powder River Pass, downsloping on the eastern slopes. $$ WYZ010-011-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Northeast Johnson County-Southeast Johnson County- Including the cities of Buffalo and Kaycee 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 30 to 40 mph with gusts up to 70 mph. * WHERE...Northeast Johnson County and Southeast Johnson County. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. Sudden crosswinds are possible. $$ WYZ016-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Upper Wind River Basin- Including the cities of Dubois 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...West winds 25 to 35 mph with gusts up to 65 mph. * WHERE...Upper Wind River Basin. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Snow will occur in combination with the wind. Total accumulations around Dubois will be 3 to 6 inches. $$ WYZ019-020-022-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Green Mountains and Rattlesnake Range-Natrona County Lower Elevations-Casper Mountain- Including the cities of Casper and Jeffrey City 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph. * WHERE...Casper Mountain, Green Mountains and Rattlesnake Range, and Natrona County Lower Elevations. * WHEN...Until 11 PM MST this evening. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Localized stronger winds up to 80 mph are possible for wind prone locations, like Outer Drive in southern Casper. $$ WYZ005-006-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Southwest Bighorn Basin-Southeast Bighorn Basin- Including the cities of Worland, Thermopolis, and Ten Sleep 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph. * WHERE...Southwest Bighorn Basin and Southeast Bighorn Basin. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. $$ WYZ007-200015- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0600Z/ Owl Creek and Bridger Mountains- 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 35 to 45 mph with gusts up to 75 mph. * WHERE...Owl Creek and Bridger Mountains. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. $$ WYZ018-200000- /O.CON.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Lander Foothills- Including the cities of Lander 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 40 to 50 mph with gusts up to 70 mph. * WHERE...Lander Foothills. * WHEN...From 8 AM this morning to 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Isolated gusts of 75 mph or more cannot be ruled out at times. $$ WYZ026-028>030-200000- /O.CON.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Upper Green River Basin-Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Big Piney, Wamsutter, Rock Springs, Green River, Farson, and La Barge 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph. * WHERE...East Sweetwater County, Flaming Gorge, Rock Springs and Green River, and Upper Green River Basin. * WHEN...From 8 AM this morning to 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Dziewaltowski Action: Continued Issued At: 2025-12-19 02:02:18 869 WWUS75 KRIW 190801 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 101 AM MST Fri Dec 19 2025 WYZ003-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Cody Foothills- Including the cities of Meeteetse, Cody, and Clark 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph. * WHERE...Cody Foothills. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Occasional stronger gusts to 80 mph are possible as sudden stronger winds downslope off the Absaroka Mountains. $$ WYZ009-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Bighorn Mountains Southeast- 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...West winds 35 to 45 mph with gusts up to 70 mph, with isolated gusts to 80 mph. * WHERE...Bighorn Mountains Southeast. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The strongest gusts will occur around and north of Powder River Pass, downsloping on the eastern slopes. $$ WYZ010-011-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Northeast Johnson County-Southeast Johnson County- Including the cities of Buffalo and Kaycee 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 30 to 40 mph with gusts up to 70 mph. * WHERE...Northeast Johnson County and Southeast Johnson County. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. Sudden crosswinds are possible. $$ WYZ016-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Upper Wind River Basin- Including the cities of Dubois 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...West winds 25 to 35 mph with gusts up to 65 mph. * WHERE...Upper Wind River Basin. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Snow will occur in combination with the wind. Total accumulations around Dubois will be 3 to 6 inches. $$ WYZ019-020-022-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Green Mountains and Rattlesnake Range-Natrona County Lower Elevations-Casper Mountain- Including the cities of Casper and Jeffrey City 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph. * WHERE...Casper Mountain, Green Mountains and Rattlesnake Range, and Natrona County Lower Elevations. * WHEN...Until 11 PM MST this evening. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Localized stronger winds up to 80 mph are possible for wind prone locations, like Outer Drive in southern Casper. $$ WYZ005-006-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Southwest Bighorn Basin-Southeast Bighorn Basin- Including the cities of Worland, Thermopolis, and Ten Sleep 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph. * WHERE...Southwest Bighorn Basin and Southeast Bighorn Basin. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. $$ WYZ007-200015- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0600Z/ Owl Creek and Bridger Mountains- 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 35 to 45 mph with gusts up to 75 mph. * WHERE...Owl Creek and Bridger Mountains. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. $$ WYZ018-200000- /O.CON.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Lander Foothills- Including the cities of Lander 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 40 to 50 mph with gusts up to 70 mph. * WHERE...Lander Foothills. * WHEN...From 8 AM this morning to 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Isolated gusts of 75 mph or more cannot be ruled out at times. $$ WYZ026-028>030-200000- /O.CON.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Upper Green River Basin-Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Big Piney, Wamsutter, Rock Springs, Green River, Farson, and La Barge 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph. * WHERE...East Sweetwater County, Flaming Gorge, Rock Springs and Green River, and Upper Green River Basin. * WHEN...From 8 AM this morning to 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Dziewaltowski Action: Continued Issued At: 2025-12-19 02:02:18 869 WWUS75 KRIW 190801 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 101 AM MST Fri Dec 19 2025 WYZ003-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Cody Foothills- Including the cities of Meeteetse, Cody, and Clark 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph. * WHERE...Cody Foothills. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Occasional stronger gusts to 80 mph are possible as sudden stronger winds downslope off the Absaroka Mountains. $$ WYZ009-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Bighorn Mountains Southeast- 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...West winds 35 to 45 mph with gusts up to 70 mph, with isolated gusts to 80 mph. * WHERE...Bighorn Mountains Southeast. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The strongest gusts will occur around and north of Powder River Pass, downsloping on the eastern slopes. $$ WYZ010-011-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Northeast Johnson County-Southeast Johnson County- Including the cities of Buffalo and Kaycee 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 30 to 40 mph with gusts up to 70 mph. * WHERE...Northeast Johnson County and Southeast Johnson County. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. Sudden crosswinds are possible. $$ WYZ016-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Upper Wind River Basin- Including the cities of Dubois 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...West winds 25 to 35 mph with gusts up to 65 mph. * WHERE...Upper Wind River Basin. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Snow will occur in combination with the wind. Total accumulations around Dubois will be 3 to 6 inches. $$ WYZ019-020-022-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Green Mountains and Rattlesnake Range-Natrona County Lower Elevations-Casper Mountain- Including the cities of Casper and Jeffrey City 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph. * WHERE...Casper Mountain, Green Mountains and Rattlesnake Range, and Natrona County Lower Elevations. * WHEN...Until 11 PM MST this evening. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Localized stronger winds up to 80 mph are possible for wind prone locations, like Outer Drive in southern Casper. $$ WYZ005-006-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Southwest Bighorn Basin-Southeast Bighorn Basin- Including the cities of Worland, Thermopolis, and Ten Sleep 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph. * WHERE...Southwest Bighorn Basin and Southeast Bighorn Basin. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. $$ WYZ007-200015- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0600Z/ Owl Creek and Bridger Mountains- 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 35 to 45 mph with gusts up to 75 mph. * WHERE...Owl Creek and Bridger Mountains. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. $$ WYZ018-200000- /O.CON.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Lander Foothills- Including the cities of Lander 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 40 to 50 mph with gusts up to 70 mph. * WHERE...Lander Foothills. * WHEN...From 8 AM this morning to 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Isolated gusts of 75 mph or more cannot be ruled out at times. $$ WYZ026-028>030-200000- /O.CON.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Upper Green River Basin-Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Big Piney, Wamsutter, Rock Springs, Green River, Farson, and La Barge 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph. * WHERE...East Sweetwater County, Flaming Gorge, Rock Springs and Green River, and Upper Green River Basin. * WHEN...From 8 AM this morning to 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Dziewaltowski Action: Continued Issued At: 2025-12-19 02:02:18 869 WWUS75 KRIW 190801 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 101 AM MST Fri Dec 19 2025 WYZ003-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Cody Foothills- Including the cities of Meeteetse, Cody, and Clark 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph. * WHERE...Cody Foothills. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Occasional stronger gusts to 80 mph are possible as sudden stronger winds downslope off the Absaroka Mountains. $$ WYZ009-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Bighorn Mountains Southeast- 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...West winds 35 to 45 mph with gusts up to 70 mph, with isolated gusts to 80 mph. * WHERE...Bighorn Mountains Southeast. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The strongest gusts will occur around and north of Powder River Pass, downsloping on the eastern slopes. $$ WYZ010-011-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Northeast Johnson County-Southeast Johnson County- Including the cities of Buffalo and Kaycee 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 30 to 40 mph with gusts up to 70 mph. * WHERE...Northeast Johnson County and Southeast Johnson County. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. Sudden crosswinds are possible. $$ WYZ016-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Upper Wind River Basin- Including the cities of Dubois 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...West winds 25 to 35 mph with gusts up to 65 mph. * WHERE...Upper Wind River Basin. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Snow will occur in combination with the wind. Total accumulations around Dubois will be 3 to 6 inches. $$ WYZ019-020-022-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Green Mountains and Rattlesnake Range-Natrona County Lower Elevations-Casper Mountain- Including the cities of Casper and Jeffrey City 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph. * WHERE...Casper Mountain, Green Mountains and Rattlesnake Range, and Natrona County Lower Elevations. * WHEN...Until 11 PM MST this evening. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Localized stronger winds up to 80 mph are possible for wind prone locations, like Outer Drive in southern Casper. $$ WYZ005-006-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Southwest Bighorn Basin-Southeast Bighorn Basin- Including the cities of Worland, Thermopolis, and Ten Sleep 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph. * WHERE...Southwest Bighorn Basin and Southeast Bighorn Basin. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. $$ WYZ007-200015- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0600Z/ Owl Creek and Bridger Mountains- 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 35 to 45 mph with gusts up to 75 mph. * WHERE...Owl Creek and Bridger Mountains. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. $$ WYZ018-200000- /O.CON.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Lander Foothills- Including the cities of Lander 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 40 to 50 mph with gusts up to 70 mph. * WHERE...Lander Foothills. * WHEN...From 8 AM this morning to 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Isolated gusts of 75 mph or more cannot be ruled out at times. $$ WYZ026-028>030-200000- /O.CON.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Upper Green River Basin-Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Big Piney, Wamsutter, Rock Springs, Green River, Farson, and La Barge 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph. * WHERE...East Sweetwater County, Flaming Gorge, Rock Springs and Green River, and Upper Green River Basin. * WHEN...From 8 AM this morning to 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Dziewaltowski Action: Continued Issued At: 2025-12-19 02:02:18 869 WWUS75 KRIW 190801 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 101 AM MST Fri Dec 19 2025 WYZ003-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Cody Foothills- Including the cities of Meeteetse, Cody, and Clark 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph. * WHERE...Cody Foothills. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Occasional stronger gusts to 80 mph are possible as sudden stronger winds downslope off the Absaroka Mountains. $$ WYZ009-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Bighorn Mountains Southeast- 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...West winds 35 to 45 mph with gusts up to 70 mph, with isolated gusts to 80 mph. * WHERE...Bighorn Mountains Southeast. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The strongest gusts will occur around and north of Powder River Pass, downsloping on the eastern slopes. $$ WYZ010-011-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Northeast Johnson County-Southeast Johnson County- Including the cities of Buffalo and Kaycee 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 30 to 40 mph with gusts up to 70 mph. * WHERE...Northeast Johnson County and Southeast Johnson County. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. Sudden crosswinds are possible. $$ WYZ016-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Upper Wind River Basin- Including the cities of Dubois 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...West winds 25 to 35 mph with gusts up to 65 mph. * WHERE...Upper Wind River Basin. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Snow will occur in combination with the wind. Total accumulations around Dubois will be 3 to 6 inches. $$ WYZ019-020-022-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Green Mountains and Rattlesnake Range-Natrona County Lower Elevations-Casper Mountain- Including the cities of Casper and Jeffrey City 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph. * WHERE...Casper Mountain, Green Mountains and Rattlesnake Range, and Natrona County Lower Elevations. * WHEN...Until 11 PM MST this evening. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Localized stronger winds up to 80 mph are possible for wind prone locations, like Outer Drive in southern Casper. $$ WYZ005-006-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Southwest Bighorn Basin-Southeast Bighorn Basin- Including the cities of Worland, Thermopolis, and Ten Sleep 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph. * WHERE...Southwest Bighorn Basin and Southeast Bighorn Basin. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. $$ WYZ007-200015- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0600Z/ Owl Creek and Bridger Mountains- 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 35 to 45 mph with gusts up to 75 mph. * WHERE...Owl Creek and Bridger Mountains. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. $$ WYZ018-200000- /O.CON.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Lander Foothills- Including the cities of Lander 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 40 to 50 mph with gusts up to 70 mph. * WHERE...Lander Foothills. * WHEN...From 8 AM this morning to 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Isolated gusts of 75 mph or more cannot be ruled out at times. $$ WYZ026-028>030-200000- /O.CON.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Upper Green River Basin-Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Big Piney, Wamsutter, Rock Springs, Green River, Farson, and La Barge 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph. * WHERE...East Sweetwater County, Flaming Gorge, Rock Springs and Green River, and Upper Green River Basin. * WHEN...From 8 AM this morning to 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Dziewaltowski Action: Continued Issued At: 2025-12-19 02:02:18 869 WWUS75 KRIW 190801 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 101 AM MST Fri Dec 19 2025 WYZ003-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Cody Foothills- Including the cities of Meeteetse, Cody, and Clark 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph. * WHERE...Cody Foothills. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Occasional stronger gusts to 80 mph are possible as sudden stronger winds downslope off the Absaroka Mountains. $$ WYZ009-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Bighorn Mountains Southeast- 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...West winds 35 to 45 mph with gusts up to 70 mph, with isolated gusts to 80 mph. * WHERE...Bighorn Mountains Southeast. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The strongest gusts will occur around and north of Powder River Pass, downsloping on the eastern slopes. $$ WYZ010-011-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Northeast Johnson County-Southeast Johnson County- Including the cities of Buffalo and Kaycee 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 30 to 40 mph with gusts up to 70 mph. * WHERE...Northeast Johnson County and Southeast Johnson County. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. Sudden crosswinds are possible. $$ WYZ016-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Upper Wind River Basin- Including the cities of Dubois 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...West winds 25 to 35 mph with gusts up to 65 mph. * WHERE...Upper Wind River Basin. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Snow will occur in combination with the wind. Total accumulations around Dubois will be 3 to 6 inches. $$ WYZ019-020-022-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Green Mountains and Rattlesnake Range-Natrona County Lower Elevations-Casper Mountain- Including the cities of Casper and Jeffrey City 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph. * WHERE...Casper Mountain, Green Mountains and Rattlesnake Range, and Natrona County Lower Elevations. * WHEN...Until 11 PM MST this evening. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Localized stronger winds up to 80 mph are possible for wind prone locations, like Outer Drive in southern Casper. $$ WYZ005-006-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Southwest Bighorn Basin-Southeast Bighorn Basin- Including the cities of Worland, Thermopolis, and Ten Sleep 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph. * WHERE...Southwest Bighorn Basin and Southeast Bighorn Basin. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. $$ WYZ007-200015- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0600Z/ Owl Creek and Bridger Mountains- 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 35 to 45 mph with gusts up to 75 mph. * WHERE...Owl Creek and Bridger Mountains. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. $$ WYZ018-200000- /O.CON.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Lander Foothills- Including the cities of Lander 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 40 to 50 mph with gusts up to 70 mph. * WHERE...Lander Foothills. * WHEN...From 8 AM this morning to 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Isolated gusts of 75 mph or more cannot be ruled out at times. $$ WYZ026-028>030-200000- /O.CON.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Upper Green River Basin-Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Big Piney, Wamsutter, Rock Springs, Green River, Farson, and La Barge 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph. * WHERE...East Sweetwater County, Flaming Gorge, Rock Springs and Green River, and Upper Green River Basin. * WHEN...From 8 AM this morning to 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Dziewaltowski Action: Continued Issued At: 2025-12-19 02:02:18 869 WWUS75 KRIW 190801 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 101 AM MST Fri Dec 19 2025 WYZ003-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Cody Foothills- Including the cities of Meeteetse, Cody, and Clark 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph. * WHERE...Cody Foothills. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Occasional stronger gusts to 80 mph are possible as sudden stronger winds downslope off the Absaroka Mountains. $$ WYZ009-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Bighorn Mountains Southeast- 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...West winds 35 to 45 mph with gusts up to 70 mph, with isolated gusts to 80 mph. * WHERE...Bighorn Mountains Southeast. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The strongest gusts will occur around and north of Powder River Pass, downsloping on the eastern slopes. $$ WYZ010-011-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Northeast Johnson County-Southeast Johnson County- Including the cities of Buffalo and Kaycee 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 30 to 40 mph with gusts up to 70 mph. * WHERE...Northeast Johnson County and Southeast Johnson County. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. Sudden crosswinds are possible. $$ WYZ016-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Upper Wind River Basin- Including the cities of Dubois 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...West winds 25 to 35 mph with gusts up to 65 mph. * WHERE...Upper Wind River Basin. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Snow will occur in combination with the wind. Total accumulations around Dubois will be 3 to 6 inches. $$ WYZ019-020-022-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Green Mountains and Rattlesnake Range-Natrona County Lower Elevations-Casper Mountain- Including the cities of Casper and Jeffrey City 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph. * WHERE...Casper Mountain, Green Mountains and Rattlesnake Range, and Natrona County Lower Elevations. * WHEN...Until 11 PM MST this evening. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Localized stronger winds up to 80 mph are possible for wind prone locations, like Outer Drive in southern Casper. $$ WYZ005-006-200000- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Southwest Bighorn Basin-Southeast Bighorn Basin- Including the cities of Worland, Thermopolis, and Ten Sleep 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph. * WHERE...Southwest Bighorn Basin and Southeast Bighorn Basin. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. $$ WYZ007-200015- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0600Z/ Owl Creek and Bridger Mountains- 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 35 to 45 mph with gusts up to 75 mph. * WHERE...Owl Creek and Bridger Mountains. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. $$ WYZ018-200000- /O.CON.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Lander Foothills- Including the cities of Lander 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 40 to 50 mph with gusts up to 70 mph. * WHERE...Lander Foothills. * WHEN...From 8 AM this morning to 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Isolated gusts of 75 mph or more cannot be ruled out at times. $$ WYZ026-028>030-200000- /O.CON.KRIW.HW.W.0015.251219T1500Z-251220T0000Z/ Upper Green River Basin-Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Big Piney, Wamsutter, Rock Springs, Green River, Farson, and La Barge 101 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST THIS AFTERNOON... * WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph. * WHERE...East Sweetwater County, Flaming Gorge, Rock Springs and Green River, and Upper Green River Basin. * WHEN...From 8 AM this morning to 5 PM MST this afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Dziewaltowski Action: Continued Issued At: 2025-12-19 17:47:28 533 WWUS75 KRIW 192347 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 447 PM MST Fri Dec 19 2025 WYZ003-005>007-009>011-016-018-026-028>030-200100- /O.EXP.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Cody Foothills-Southwest Bighorn Basin-Southeast Bighorn Basin- Owl Creek and Bridger Mountains-Bighorn Mountains Southeast- Northeast Johnson County-Southeast Johnson County-Upper Wind River Basin-Lander Foothills-Upper Green River Basin-Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Cody, Wamsutter, Worland, Lander, Green River, Ten Sleep, Kaycee, Big Piney, Meeteetse, Dubois, La Barge, Clark, Farson, Rock Springs, Thermopolis, and Buffalo 447 PM MST Fri Dec 19 2025 ...HIGH WIND WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON... Wind is generally decreasing. While isolated gusts of 55 to 65 mph remain possible through the evening, widespread high wind is not expected to continue. Therefore, the High Wind Warning will expire at 5 PM. $$ WYZ019-020-022-200600- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0600Z/ Green Mountains and Rattlesnake Range-Natrona County Lower Elevations-Casper Mountain- Including the cities of Jeffrey City and Casper 447 PM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph. * WHERE...Casper Mountain, Green Mountains and Rattlesnake Range, and Natrona County Lower Elevations. * WHEN...Until 11 PM MST this evening. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Localized stronger winds up to 80 mph are possible for wind prone locations, like Outer Drive in southern Casper. $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Myers Action: Expired Issued At: 2025-12-19 17:47:28 533 WWUS75 KRIW 192347 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 447 PM MST Fri Dec 19 2025 WYZ003-005>007-009>011-016-018-026-028>030-200100- /O.EXP.KRIW.HW.W.0015.000000T0000Z-251220T0000Z/ Cody Foothills-Southwest Bighorn Basin-Southeast Bighorn Basin- Owl Creek and Bridger Mountains-Bighorn Mountains Southeast- Northeast Johnson County-Southeast Johnson County-Upper Wind River Basin-Lander Foothills-Upper Green River Basin-Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Cody, Wamsutter, Worland, Lander, Green River, Ten Sleep, Kaycee, Big Piney, Meeteetse, Dubois, La Barge, Clark, Farson, Rock Springs, Thermopolis, and Buffalo 447 PM MST Fri Dec 19 2025 ...HIGH WIND WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON... Wind is generally decreasing. While isolated gusts of 55 to 65 mph remain possible through the evening, widespread high wind is not expected to continue. Therefore, the High Wind Warning will expire at 5 PM. $$ WYZ019-020-022-200600- /O.CON.KRIW.HW.W.0015.000000T0000Z-251220T0600Z/ Green Mountains and Rattlesnake Range-Natrona County Lower Elevations-Casper Mountain- Including the cities of Jeffrey City and Casper 447 PM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph. * WHERE...Casper Mountain, Green Mountains and Rattlesnake Range, and Natrona County Lower Elevations. * WHEN...Until 11 PM MST this evening. * IMPACTS...Damaging winds may blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Localized stronger winds up to 80 mph are possible for wind prone locations, like Outer Drive in southern Casper. $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Myers Action: Expired Issued At: 2025-12-19 23:42:07 971 WWUS75 KRIW 200541 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 1041 PM MST Fri Dec 19 2025 WYZ019-020-022-200645- /O.EXP.KRIW.HW.W.0015.000000T0000Z-251220T0600Z/ Green Mountains and Rattlesnake Range-Natrona County Lower Elevations-Casper Mountain- Including the cities of Jeffrey City and Casper 1041 PM MST Fri Dec 19 2025 ...HIGH WIND WARNING WILL EXPIRE AT 11 PM MST THIS EVENING... Wind will continue to decrease over the next couple of hours. While isolated gusts of 55 to 65 mph remain possible through the overnight hours, widespread high wind is not expected to continue. Therefore, the High Wind Warning will expire at 11 PM. $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Myers | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||