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Home Return to list Winter Weather Advisory 0045 Issued by the Billings Forecast Office
Action: New Issued At: 2025-12-21 03:21:43 481 WWUS45 KBYZ 210921 WSWBYZ URGENT - WINTER WEATHER MESSAGE National Weather Service Billings MT 221 AM MST Sun Dec 21 2025 MTZ068-220930- /O.EXA.KBYZ.WS.W.0021.251221T1200Z-251223T0000Z/ Crazy Mountains- 221 AM MST Sun Dec 21 2025 ...WINTER STORM WARNING IN EFFECT FROM 5 AM EARLY THIS MORNING TO 5 PM MST MONDAY... * WHAT...Periods of heavy snow. Total snow accumulations of 12 to 18 inches, mainly on west facing slopes. Winds gusting as high as 40 mph. * WHERE...Crazy Mountains. * WHEN...From 5 AM early this morning to 5 PM MST Monday. * IMPACTS...Recreation in the high country will be impacted by heavy accumulating snow and blowing snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for difficult winter conditions if you have plans in the backcountry. && $$ MTZ067-220930- /O.CON.KBYZ.WS.W.0021.251221T1200Z-251223T0000Z/ Absaroka/Beartooth Mountains- Including the locations of Cooke City 221 AM MST Sun Dec 21 2025 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM EARLY THIS MORNING TO 5 PM MST MONDAY... * WHAT...Periods of heavy snow. Total snow accumulations of 1 to 3 feet, mainly on south and west facing slopes. Winds gusting as high as 40 mph. * WHERE...Absaroka/Beartooth Mountains. * WHEN...From 5 AM early this morning to 5 PM MST Monday. * IMPACTS...Recreation in the high country will be impacted by heavy accumulating snow and blowing snow. * ADDITIONAL DETAILS...Avalanche danger will continue. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for difficult winter conditions if you have plans in the backcountry. && $$ MTZ063-065-066-141-172-228-220930- /O.NEW.KBYZ.WW.Y.0045.251221T2100Z-251223T1200Z/ Judith Gap-Livingston Area-Beartooth Foothills-Northern Sweet Grass-Melville Foothills-Southern Wheatland- Including the locations of Fishtail, McLeod, Judith Gap, Livingston, Springdale, Nye, Harlowton, Twodot, Shawmut, Melville, and Big Timber 221 AM MST Sun Dec 21 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST TUESDAY... * WHAT...Rain and snow showers expected with areas of freezing rain or drizzle possible. Total snow accumulations up to one inch and ice accumulations around a light glaze. Winds gusting as high as 30 mph. * WHERE...Portions of central and south central Montana. * WHEN...From 2 PM this afternoon to 5 AM MST Tuesday. * IMPACTS...Roads, and especially bridges and overpasses, could become slick and hazardous. * ADDITIONAL DETAILS...Motorists along I-90 around the Big Timber area, and along US-191 from Big Timber to Harlowton, should be alert for sudden changes in driving conditions and slick roads late today through the evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury. && $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Tesar Action: Time Extended Issued At: 2025-12-21 04:04:34 654 WWUS45 KBYZ 211004 WSWBYZ URGENT - WINTER WEATHER MESSAGE National Weather Service Billings MT 304 AM MST Sun Dec 21 2025 MTZ067-068-221015- /O.CON.KBYZ.WS.W.0021.251221T1200Z-251223T0000Z/ Absaroka/Beartooth Mountains-Crazy Mountains- Including the locations of Cooke City 304 AM MST Sun Dec 21 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY... * WHAT...Periods of heavy snow. Total snow accumulations of 1 to 3 feet, mainly on south and west facing slopes. Winds gusting as high as 40 mph. * WHERE...Absaroka/Beartooth Mountains and Crazy Mountains. * WHEN...Until 5 PM MST Monday. * IMPACTS...Recreation in the high country will be impacted by heavy accumulating snow and blowing snow. * ADDITIONAL DETAILS...Avalanche danger will continue. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for difficult winter conditions if you have plans in the backcountry. && $$ MTZ063-065-066-141-172-228-221015- /O.EXT.KBYZ.WW.Y.0045.251221T2100Z-251222T1200Z/ Judith Gap-Livingston Area-Beartooth Foothills-Northern Sweet Grass-Melville Foothills-Southern Wheatland- Including the locations of Fishtail, McLeod, Judith Gap, Livingston, Springdale, Nye, Harlowton, Twodot, Shawmut, Melville, and Big Timber 304 AM MST Sun Dec 21 2025 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST MONDAY... * WHAT...Rain and snow showers expected with areas of freezing rain or drizzle possible. Total snow accumulations up to one inch and ice accumulations around a light glaze. Winds gusting as high as 30 mph. * WHERE...Portions of central and south central Montana. * WHEN...From 2 PM this afternoon to 5 AM MST Monday. * IMPACTS...Roads, and especially bridges and overpasses, could become slick and hazardous. * ADDITIONAL DETAILS...Motorists along I-90 around the Big Timber area, and along US-191 from Big Timber to Harlowton, should be alert for sudden changes in driving conditions and slick roads late today through the evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury. && $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Tesar Action: Area Extended Issued At: 2025-12-21 16:49:45 868 WWUS45 KBYZ 212249 WSWBYZ URGENT - WINTER WEATHER MESSAGE National Weather Service Billings MT 349 PM MST Sun Dec 21 2025 MTZ067-068-222300- /O.CON.KBYZ.WS.W.0021.000000T0000Z-251223T0000Z/ Absaroka/Beartooth Mountains-Crazy Mountains- Including the locations of Cooke City 349 PM MST Sun Dec 21 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY... * WHAT...Periods of heavy snow. Total snow accumulations of 1 to 3 feet, mainly on south and west facing slopes, in the Absaroka-Beartooth Mountains, and 8 to 15 inches in the Crazy Mountains. Winds gusting as high as 45 mph. * WHERE...Absaroka/Beartooth Mountains and Crazy Mountains. * WHEN...Until 5 PM MST Monday. * IMPACTS...Recreation in the high country will be impacted by heavy accumulating snow and blowing snow. * ADDITIONAL DETAILS...Avalanche danger will continue. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for difficult winter conditions if you have plans in the backcountry. && $$ MTZ029-034-042-221200- /O.EXA.KBYZ.WW.Y.0045.000000T0000Z-251222T1200Z/ Musselshell-Northern Stillwater-Golden Valley- Including the locations of Melstone, Reed Point, Roundup, Lavina, Columbus, Ryegate, Absarokee, Musselshell, Park City, and Rapelje 349 PM MST Sun Dec 21 2025 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Mixed precipitation, including light freezing rain. Snow accumulations up to one inch and ice accumulations around a light glaze possible. * WHERE...Golden Valley, Musselshell, and Northern Stillwater. * WHEN...Until 5 AM MST Monday. * IMPACTS...Roads will likely become slick and hazardous. * ADDITIONAL DETAILS...Motorists should be alert for sudden changes in driving conditions and slick roads this evening into tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... For the latest road conditions, call 5 1 1. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury. && $$ MTZ040-221200- /O.EXA.KBYZ.WW.Y.0045.000000T0000Z-251222T1200Z/ Northern Park- Including the locations of Clyde Park and Wilsall 349 PM MST Sun Dec 21 2025 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Mixed precipitation, including freezing rain. Snow accumulations up to one inch and ice accumulations around a light glaze possible. * WHERE...Northern Park. * WHEN...Until 5 AM MST Monday. * IMPACTS...Roads will likely become slick and hazardous. * ADDITIONAL DETAILS...Motorists along Highway 89 around Clyde Park and Wilsall should be alert for sudden changes in driving conditions and slick roads this evening into tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... For the latest road conditions, call 5 1 1. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury. && $$ MTZ063-065-066-141-172-228-221200- /O.CON.KBYZ.WW.Y.0045.000000T0000Z-251222T1200Z/ Judith Gap-Livingston Area-Beartooth Foothills-Northern Sweet Grass-Melville Foothills-Southern Wheatland- Including the locations of Nye, McLeod, Livingston, Big Timber, Shawmut, Fishtail, Springdale, Melville, Twodot, Harlowton, and Judith Gap 349 PM MST Sun Dec 21 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Mixed precipitation, including freezing rain. Snow accumulations up to 2 inches and ice accumulations up to 0.05 inches possible. Winds gusting as high as 30 mph. * WHERE...Portions of central and south central Montana. * WHEN...Until 5 AM MST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Motorists along Interstate 90 around the Big Timber area, and along Highway 191 from Big Timber to Judith Gap, should be alert for sudden changes in driving conditions and slick roads this evening into tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... For the latest road conditions, call 5 1 1. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury. && $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Arends Action: Continued Issued At: 2025-12-21 16:49:45 868 WWUS45 KBYZ 212249 WSWBYZ URGENT - WINTER WEATHER MESSAGE National Weather Service Billings MT 349 PM MST Sun Dec 21 2025 MTZ067-068-222300- /O.CON.KBYZ.WS.W.0021.000000T0000Z-251223T0000Z/ Absaroka/Beartooth Mountains-Crazy Mountains- Including the locations of Cooke City 349 PM MST Sun Dec 21 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY... * WHAT...Periods of heavy snow. Total snow accumulations of 1 to 3 feet, mainly on south and west facing slopes, in the Absaroka-Beartooth Mountains, and 8 to 15 inches in the Crazy Mountains. Winds gusting as high as 45 mph. * WHERE...Absaroka/Beartooth Mountains and Crazy Mountains. * WHEN...Until 5 PM MST Monday. * IMPACTS...Recreation in the high country will be impacted by heavy accumulating snow and blowing snow. * ADDITIONAL DETAILS...Avalanche danger will continue. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for difficult winter conditions if you have plans in the backcountry. && $$ MTZ029-034-042-221200- /O.EXA.KBYZ.WW.Y.0045.000000T0000Z-251222T1200Z/ Musselshell-Northern Stillwater-Golden Valley- Including the locations of Melstone, Reed Point, Roundup, Lavina, Columbus, Ryegate, Absarokee, Musselshell, Park City, and Rapelje 349 PM MST Sun Dec 21 2025 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Mixed precipitation, including light freezing rain. Snow accumulations up to one inch and ice accumulations around a light glaze possible. * WHERE...Golden Valley, Musselshell, and Northern Stillwater. * WHEN...Until 5 AM MST Monday. * IMPACTS...Roads will likely become slick and hazardous. * ADDITIONAL DETAILS...Motorists should be alert for sudden changes in driving conditions and slick roads this evening into tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... For the latest road conditions, call 5 1 1. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury. && $$ MTZ040-221200- /O.EXA.KBYZ.WW.Y.0045.000000T0000Z-251222T1200Z/ Northern Park- Including the locations of Clyde Park and Wilsall 349 PM MST Sun Dec 21 2025 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Mixed precipitation, including freezing rain. Snow accumulations up to one inch and ice accumulations around a light glaze possible. * WHERE...Northern Park. * WHEN...Until 5 AM MST Monday. * IMPACTS...Roads will likely become slick and hazardous. * ADDITIONAL DETAILS...Motorists along Highway 89 around Clyde Park and Wilsall should be alert for sudden changes in driving conditions and slick roads this evening into tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... For the latest road conditions, call 5 1 1. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury. && $$ MTZ063-065-066-141-172-228-221200- /O.CON.KBYZ.WW.Y.0045.000000T0000Z-251222T1200Z/ Judith Gap-Livingston Area-Beartooth Foothills-Northern Sweet Grass-Melville Foothills-Southern Wheatland- Including the locations of Nye, McLeod, Livingston, Big Timber, Shawmut, Fishtail, Springdale, Melville, Twodot, Harlowton, and Judith Gap 349 PM MST Sun Dec 21 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Mixed precipitation, including freezing rain. Snow accumulations up to 2 inches and ice accumulations up to 0.05 inches possible. Winds gusting as high as 30 mph. * WHERE...Portions of central and south central Montana. * WHEN...Until 5 AM MST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Motorists along Interstate 90 around the Big Timber area, and along Highway 191 from Big Timber to Judith Gap, should be alert for sudden changes in driving conditions and slick roads this evening into tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... For the latest road conditions, call 5 1 1. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury. && $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Arends Action: Area Extended Issued At: 2025-12-21 16:49:45 868 WWUS45 KBYZ 212249 WSWBYZ URGENT - WINTER WEATHER MESSAGE National Weather Service Billings MT 349 PM MST Sun Dec 21 2025 MTZ067-068-222300- /O.CON.KBYZ.WS.W.0021.000000T0000Z-251223T0000Z/ Absaroka/Beartooth Mountains-Crazy Mountains- Including the locations of Cooke City 349 PM MST Sun Dec 21 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY... * WHAT...Periods of heavy snow. Total snow accumulations of 1 to 3 feet, mainly on south and west facing slopes, in the Absaroka-Beartooth Mountains, and 8 to 15 inches in the Crazy Mountains. Winds gusting as high as 45 mph. * WHERE...Absaroka/Beartooth Mountains and Crazy Mountains. * WHEN...Until 5 PM MST Monday. * IMPACTS...Recreation in the high country will be impacted by heavy accumulating snow and blowing snow. * ADDITIONAL DETAILS...Avalanche danger will continue. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for difficult winter conditions if you have plans in the backcountry. && $$ MTZ029-034-042-221200- /O.EXA.KBYZ.WW.Y.0045.000000T0000Z-251222T1200Z/ Musselshell-Northern Stillwater-Golden Valley- Including the locations of Melstone, Reed Point, Roundup, Lavina, Columbus, Ryegate, Absarokee, Musselshell, Park City, and Rapelje 349 PM MST Sun Dec 21 2025 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Mixed precipitation, including light freezing rain. Snow accumulations up to one inch and ice accumulations around a light glaze possible. * WHERE...Golden Valley, Musselshell, and Northern Stillwater. * WHEN...Until 5 AM MST Monday. * IMPACTS...Roads will likely become slick and hazardous. * ADDITIONAL DETAILS...Motorists should be alert for sudden changes in driving conditions and slick roads this evening into tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... For the latest road conditions, call 5 1 1. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury. && $$ MTZ040-221200- /O.EXA.KBYZ.WW.Y.0045.000000T0000Z-251222T1200Z/ Northern Park- Including the locations of Clyde Park and Wilsall 349 PM MST Sun Dec 21 2025 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Mixed precipitation, including freezing rain. Snow accumulations up to one inch and ice accumulations around a light glaze possible. * WHERE...Northern Park. * WHEN...Until 5 AM MST Monday. * IMPACTS...Roads will likely become slick and hazardous. * ADDITIONAL DETAILS...Motorists along Highway 89 around Clyde Park and Wilsall should be alert for sudden changes in driving conditions and slick roads this evening into tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... For the latest road conditions, call 5 1 1. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury. && $$ MTZ063-065-066-141-172-228-221200- /O.CON.KBYZ.WW.Y.0045.000000T0000Z-251222T1200Z/ Judith Gap-Livingston Area-Beartooth Foothills-Northern Sweet Grass-Melville Foothills-Southern Wheatland- Including the locations of Nye, McLeod, Livingston, Big Timber, Shawmut, Fishtail, Springdale, Melville, Twodot, Harlowton, and Judith Gap 349 PM MST Sun Dec 21 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Mixed precipitation, including freezing rain. Snow accumulations up to 2 inches and ice accumulations up to 0.05 inches possible. Winds gusting as high as 30 mph. * WHERE...Portions of central and south central Montana. * WHEN...Until 5 AM MST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Motorists along Interstate 90 around the Big Timber area, and along Highway 191 from Big Timber to Judith Gap, should be alert for sudden changes in driving conditions and slick roads this evening into tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... For the latest road conditions, call 5 1 1. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury. && $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Arends Action: Continued Issued At: 2025-12-21 17:28:16 945 WWUS45 KBYZ 212328 WSWBYZ URGENT - WINTER WEATHER MESSAGE National Weather Service Billings MT 428 PM MST Sun Dec 21 2025 MTZ067-068-222330- /O.CON.KBYZ.WS.W.0021.000000T0000Z-251223T0000Z/ Absaroka/Beartooth Mountains-Crazy Mountains- Including the locations of Cooke City 428 PM MST Sun Dec 21 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY... * WHAT...Periods of heavy snow. Total snow accumulations of 1 to 3 feet in the Absaroka-Beartooth Mountains and 8 to 15 inches in the Crazy Mountains, mainly on south and west facing slopes. Winds gusting as high as 45 mph. * WHERE...Absaroka/Beartooth Mountains and Crazy Mountains. * WHEN...Until 5 PM MST Monday. * IMPACTS...Recreation in the high country will be impacted by heavy accumulating snow and blowing snow. * ADDITIONAL DETAILS...Avalanche danger will continue. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for difficult winter conditions if you have plans in the backcountry. && $$ MTZ029-034-042-221200- /O.CON.KBYZ.WW.Y.0045.000000T0000Z-251222T1200Z/ Musselshell-Northern Stillwater-Golden Valley- Including the locations of Melstone, Reed Point, Roundup, Lavina, Columbus, Ryegate, Absarokee, Musselshell, Park City, and Rapelje 428 PM MST Sun Dec 21 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Mixed precipitation, including light freezing rain. Snow accumulations up to one inch and ice accumulations around a light glaze possible. * WHERE...Golden Valley, Musselshell, and Northern Stillwater. * WHEN...Until 5 AM MST Monday. * IMPACTS...Roads will likely become slick and hazardous. * ADDITIONAL DETAILS...Motorists should be alert for sudden changes in driving conditions and slick roads this evening into tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... For the latest road conditions, call 5 1 1. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury. && $$ MTZ040-063-065-066-141-172-228-221200- /O.CON.KBYZ.WW.Y.0045.000000T0000Z-251222T1200Z/ Northern Park-Judith Gap-Livingston Area-Beartooth Foothills- Northern Sweet Grass-Melville Foothills-Southern Wheatland- Including the locations of Nye, McLeod, Livingston, Big Timber, Shawmut, Wilsall, Fishtail, Springdale, Melville, Twodot, Clyde Park, Harlowton, and Judith Gap 428 PM MST Sun Dec 21 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Mixed precipitation, including freezing rain. Snow accumulations up to 2 inches and ice accumulations up to 0.05 inches possible. * WHERE...Portions of central and south central Montana. * WHEN...Until 5 AM MST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Motorists along Interstate 90 around the Big Timber area, along Highway 191 from Big Timber to Judith Gap, and along Highway 89 around Clyde Park and Wilsall, should be alert for sudden changes in driving conditions and slick roads this evening into tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... For the latest road conditions, call 5 1 1. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury. && $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Arends Action: Continued Issued At: 2025-12-21 17:28:16 945 WWUS45 KBYZ 212328 WSWBYZ URGENT - WINTER WEATHER MESSAGE National Weather Service Billings MT 428 PM MST Sun Dec 21 2025 MTZ067-068-222330- /O.CON.KBYZ.WS.W.0021.000000T0000Z-251223T0000Z/ Absaroka/Beartooth Mountains-Crazy Mountains- Including the locations of Cooke City 428 PM MST Sun Dec 21 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY... * WHAT...Periods of heavy snow. Total snow accumulations of 1 to 3 feet in the Absaroka-Beartooth Mountains and 8 to 15 inches in the Crazy Mountains, mainly on south and west facing slopes. Winds gusting as high as 45 mph. * WHERE...Absaroka/Beartooth Mountains and Crazy Mountains. * WHEN...Until 5 PM MST Monday. * IMPACTS...Recreation in the high country will be impacted by heavy accumulating snow and blowing snow. * ADDITIONAL DETAILS...Avalanche danger will continue. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for difficult winter conditions if you have plans in the backcountry. && $$ MTZ029-034-042-221200- /O.CON.KBYZ.WW.Y.0045.000000T0000Z-251222T1200Z/ Musselshell-Northern Stillwater-Golden Valley- Including the locations of Melstone, Reed Point, Roundup, Lavina, Columbus, Ryegate, Absarokee, Musselshell, Park City, and Rapelje 428 PM MST Sun Dec 21 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Mixed precipitation, including light freezing rain. Snow accumulations up to one inch and ice accumulations around a light glaze possible. * WHERE...Golden Valley, Musselshell, and Northern Stillwater. * WHEN...Until 5 AM MST Monday. * IMPACTS...Roads will likely become slick and hazardous. * ADDITIONAL DETAILS...Motorists should be alert for sudden changes in driving conditions and slick roads this evening into tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... For the latest road conditions, call 5 1 1. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury. && $$ MTZ040-063-065-066-141-172-228-221200- /O.CON.KBYZ.WW.Y.0045.000000T0000Z-251222T1200Z/ Northern Park-Judith Gap-Livingston Area-Beartooth Foothills- Northern Sweet Grass-Melville Foothills-Southern Wheatland- Including the locations of Nye, McLeod, Livingston, Big Timber, Shawmut, Wilsall, Fishtail, Springdale, Melville, Twodot, Clyde Park, Harlowton, and Judith Gap 428 PM MST Sun Dec 21 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Mixed precipitation, including freezing rain. Snow accumulations up to 2 inches and ice accumulations up to 0.05 inches possible. * WHERE...Portions of central and south central Montana. * WHEN...Until 5 AM MST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Motorists along Interstate 90 around the Big Timber area, along Highway 191 from Big Timber to Judith Gap, and along Highway 89 around Clyde Park and Wilsall, should be alert for sudden changes in driving conditions and slick roads this evening into tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... For the latest road conditions, call 5 1 1. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury. && $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Arends Action: Continued Issued At: 2025-12-22 02:59:02 044 WWUS45 KBYZ 220858 WSWBYZ URGENT - WINTER WEATHER MESSAGE National Weather Service Billings MT 158 AM MST Mon Dec 22 2025 MTZ067-068-230000- /O.CON.KBYZ.WS.W.0021.000000T0000Z-251223T0000Z/ Absaroka/Beartooth Mountains-Crazy Mountains- Including the locations of Cooke City 158 AM MST Mon Dec 22 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Periods of heavy snow. Total snow accumulations of 1 to 3 feet in the Absaroka-Beartooth Mountains and 8 to 15 inches in the Crazy Mountains, mainly on south and west facing slopes. Winds gusting as high as 40 mph. * WHERE...Absaroka/Beartooth Mountains and Crazy Mountains. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Recreation in the high country will be impacted by heavy accumulating snow and blowing snow. * ADDITIONAL DETAILS...Avalanche danger will continue. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for difficult winter conditions if you have plans in the backcountry. && $$ MTZ029-034-042-221200- /O.CON.KBYZ.WW.Y.0045.000000T0000Z-251222T1200Z/ Musselshell-Northern Stillwater-Golden Valley- Including the locations of Absarokee, Melstone, Lavina, Columbus, Ryegate, Musselshell, Park City, Rapelje, Roundup, and Reed Point 158 AM MST Mon Dec 22 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST EARLY THIS MORNING... * WHAT...Mixed precipitation, including light freezing rain or drizzle. Snow accumulations up to one inch and a light glaze of ice possible. * WHERE...Golden Valley, Musselshell, and Northern Stillwater. * WHEN...Until 5 AM MST early this morning. * IMPACTS...Roads will likely become slick and hazardous. * ADDITIONAL DETAILS...Motorists should be alert for sudden changes in driving conditions and slick roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... For the latest road conditions, call 5 1 1. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. && $$ MTZ040-063-065-066-141-172-228-221200- /O.CON.KBYZ.WW.Y.0045.000000T0000Z-251222T1200Z/ Northern Park-Judith Gap-Livingston Area-Beartooth Foothills- Northern Sweet Grass-Melville Foothills-Southern Wheatland- Including the locations of Clyde Park, Twodot, Judith Gap, Shawmut, Big Timber, Melville, Springdale, Livingston, Wilsall, Fishtail, Harlowton, McLeod, and Nye 158 AM MST Mon Dec 22 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST EARLY THIS MORNING... * WHAT...Mixed precipitation, possibly including freezing rain or drizzle. Snow accumulations up to an 1 inch. * WHERE...Portions of central and south central Montana. * WHEN...Until 5 AM MST early this morning. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Motorists along Interstate 90 around the Big Timber area, along Highway 191 from Big Timber to Judith Gap, and along Highway 89 around Clyde Park and Wilsall, should be alert for sudden changes in driving conditions and slick roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... For the latest road conditions, call 5 1 1. Be prepared for slippery roads. Slow down and use caution while driving. && $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Tesar Action: Continued Issued At: 2025-12-22 02:59:02 044 WWUS45 KBYZ 220858 WSWBYZ URGENT - WINTER WEATHER MESSAGE National Weather Service Billings MT 158 AM MST Mon Dec 22 2025 MTZ067-068-230000- /O.CON.KBYZ.WS.W.0021.000000T0000Z-251223T0000Z/ Absaroka/Beartooth Mountains-Crazy Mountains- Including the locations of Cooke City 158 AM MST Mon Dec 22 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Periods of heavy snow. Total snow accumulations of 1 to 3 feet in the Absaroka-Beartooth Mountains and 8 to 15 inches in the Crazy Mountains, mainly on south and west facing slopes. Winds gusting as high as 40 mph. * WHERE...Absaroka/Beartooth Mountains and Crazy Mountains. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Recreation in the high country will be impacted by heavy accumulating snow and blowing snow. * ADDITIONAL DETAILS...Avalanche danger will continue. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for difficult winter conditions if you have plans in the backcountry. && $$ MTZ029-034-042-221200- /O.CON.KBYZ.WW.Y.0045.000000T0000Z-251222T1200Z/ Musselshell-Northern Stillwater-Golden Valley- Including the locations of Absarokee, Melstone, Lavina, Columbus, Ryegate, Musselshell, Park City, Rapelje, Roundup, and Reed Point 158 AM MST Mon Dec 22 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST EARLY THIS MORNING... * WHAT...Mixed precipitation, including light freezing rain or drizzle. Snow accumulations up to one inch and a light glaze of ice possible. * WHERE...Golden Valley, Musselshell, and Northern Stillwater. * WHEN...Until 5 AM MST early this morning. * IMPACTS...Roads will likely become slick and hazardous. * ADDITIONAL DETAILS...Motorists should be alert for sudden changes in driving conditions and slick roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... For the latest road conditions, call 5 1 1. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. && $$ MTZ040-063-065-066-141-172-228-221200- /O.CON.KBYZ.WW.Y.0045.000000T0000Z-251222T1200Z/ Northern Park-Judith Gap-Livingston Area-Beartooth Foothills- Northern Sweet Grass-Melville Foothills-Southern Wheatland- Including the locations of Clyde Park, Twodot, Judith Gap, Shawmut, Big Timber, Melville, Springdale, Livingston, Wilsall, Fishtail, Harlowton, McLeod, and Nye 158 AM MST Mon Dec 22 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST EARLY THIS MORNING... * WHAT...Mixed precipitation, possibly including freezing rain or drizzle. Snow accumulations up to an 1 inch. * WHERE...Portions of central and south central Montana. * WHEN...Until 5 AM MST early this morning. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Motorists along Interstate 90 around the Big Timber area, along Highway 191 from Big Timber to Judith Gap, and along Highway 89 around Clyde Park and Wilsall, should be alert for sudden changes in driving conditions and slick roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... For the latest road conditions, call 5 1 1. Be prepared for slippery roads. Slow down and use caution while driving. && $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Tesar Action: Time Extended Issued At: 2025-12-22 05:34:07 546 WWUS45 KBYZ 221133 WSWBYZ URGENT - WINTER WEATHER MESSAGE National Weather Service Billings MT 433 AM MST Mon Dec 22 2025 MTZ067-068-230000- /O.CON.KBYZ.WS.W.0021.000000T0000Z-251223T0000Z/ Absaroka/Beartooth Mountains-Crazy Mountains- Including the locations of Cooke City 433 AM MST Mon Dec 22 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Periods of heavy snow. Total snow accumulations of 1 to 3 feet in the Absaroka-Beartooth Mountains and 8 to 15 inches in the Crazy Mountains, mainly on south and west facing slopes. Winds gusting as high as 40 mph. * WHERE...Absaroka/Beartooth Mountains and Crazy Mountains. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Recreation in the high country will be impacted by heavy accumulating snow and blowing snow. * ADDITIONAL DETAILS...Avalanche danger will continue. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for difficult winter conditions if you have plans in the backcountry. && $$ MTZ029-034-042-221600- /O.EXT.KBYZ.WW.Y.0045.000000T0000Z-251222T1600Z/ Musselshell-Northern Stillwater-Golden Valley- Including the locations of Absarokee, Melstone, Lavina, Columbus, Ryegate, Musselshell, Park City, Rapelje, Roundup, and Reed Point 433 AM MST Mon Dec 22 2025 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 AM MST THIS MORNING... * WHAT...Mixed precipitation, including light freezing rain or drizzle. Snow accumulations up to one inch and a light glaze of ice possible. * WHERE...Golden Valley, Musselshell, and Northern Stillwater. * WHEN...Until 9 AM MST this morning. * IMPACTS...Roads will likely become slick and hazardous. * ADDITIONAL DETAILS...Motorists should be alert for sudden changes in driving conditions and slick roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... For the latest road conditions, call 5 1 1. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. && $$ MTZ040-063-065-066-141-172-228-221600- /O.EXT.KBYZ.WW.Y.0045.000000T0000Z-251222T1600Z/ Northern Park-Judith Gap-Livingston Area-Beartooth Foothills- Northern Sweet Grass-Melville Foothills-Southern Wheatland- Including the locations of Clyde Park, Twodot, Judith Gap, Shawmut, Big Timber, Melville, Springdale, Livingston, Wilsall, Fishtail, Harlowton, McLeod, and Nye 433 AM MST Mon Dec 22 2025 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 AM MST THIS MORNING... * WHAT...Mixed precipitation, possibly including freezing rain or drizzle. Snow accumulations up to an 1 inch. * WHERE...Portions of central and south central Montana. * WHEN...Until 9 AM MST this morning. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Motorists along Interstate 90 around the Big Timber area, along Highway 191 from Big Timber to Judith Gap, and along Highway 89 around Clyde Park and Wilsall, should be alert for sudden changes in driving conditions and slick roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury. && $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Tesar Action: Time Extended Issued At: 2025-12-22 05:34:07 546 WWUS45 KBYZ 221133 WSWBYZ URGENT - WINTER WEATHER MESSAGE National Weather Service Billings MT 433 AM MST Mon Dec 22 2025 MTZ067-068-230000- /O.CON.KBYZ.WS.W.0021.000000T0000Z-251223T0000Z/ Absaroka/Beartooth Mountains-Crazy Mountains- Including the locations of Cooke City 433 AM MST Mon Dec 22 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Periods of heavy snow. Total snow accumulations of 1 to 3 feet in the Absaroka-Beartooth Mountains and 8 to 15 inches in the Crazy Mountains, mainly on south and west facing slopes. Winds gusting as high as 40 mph. * WHERE...Absaroka/Beartooth Mountains and Crazy Mountains. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Recreation in the high country will be impacted by heavy accumulating snow and blowing snow. * ADDITIONAL DETAILS...Avalanche danger will continue. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for difficult winter conditions if you have plans in the backcountry. && $$ MTZ029-034-042-221600- /O.EXT.KBYZ.WW.Y.0045.000000T0000Z-251222T1600Z/ Musselshell-Northern Stillwater-Golden Valley- Including the locations of Absarokee, Melstone, Lavina, Columbus, Ryegate, Musselshell, Park City, Rapelje, Roundup, and Reed Point 433 AM MST Mon Dec 22 2025 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 AM MST THIS MORNING... * WHAT...Mixed precipitation, including light freezing rain or drizzle. Snow accumulations up to one inch and a light glaze of ice possible. * WHERE...Golden Valley, Musselshell, and Northern Stillwater. * WHEN...Until 9 AM MST this morning. * IMPACTS...Roads will likely become slick and hazardous. * ADDITIONAL DETAILS...Motorists should be alert for sudden changes in driving conditions and slick roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... For the latest road conditions, call 5 1 1. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. && $$ MTZ040-063-065-066-141-172-228-221600- /O.EXT.KBYZ.WW.Y.0045.000000T0000Z-251222T1600Z/ Northern Park-Judith Gap-Livingston Area-Beartooth Foothills- Northern Sweet Grass-Melville Foothills-Southern Wheatland- Including the locations of Clyde Park, Twodot, Judith Gap, Shawmut, Big Timber, Melville, Springdale, Livingston, Wilsall, Fishtail, Harlowton, McLeod, and Nye 433 AM MST Mon Dec 22 2025 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 AM MST THIS MORNING... * WHAT...Mixed precipitation, possibly including freezing rain or drizzle. Snow accumulations up to an 1 inch. * WHERE...Portions of central and south central Montana. * WHEN...Until 9 AM MST this morning. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Motorists along Interstate 90 around the Big Timber area, along Highway 191 from Big Timber to Judith Gap, and along Highway 89 around Clyde Park and Wilsall, should be alert for sudden changes in driving conditions and slick roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury. && $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Tesar Action: Expired Issued At: 2025-12-22 10:04:45 994 WWUS45 KBYZ 221604 WSWBYZ URGENT - WINTER WEATHER MESSAGE National Weather Service Billings MT 904 AM MST Mon Dec 22 2025 MTZ029-034-040-042-063-065-066-141-172-228-221715- /O.EXP.KBYZ.WW.Y.0045.000000T0000Z-251222T1600Z/ Musselshell-Northern Stillwater-Northern Park-Golden Valley- Judith Gap-Livingston Area-Beartooth Foothills-Northern Sweet Grass-Melville Foothills-Southern Wheatland- Including the locations of Roundup, Nye, Fishtail, Columbus, Melstone, Rapelje, Judith Gap, Park City, Shawmut, Absarokee, McLeod, Reed Point, Musselshell, Livingston, Ryegate, Clyde Park, Big Timber, Melville, Lavina, Wilsall, Twodot, Springdale, and Harlowton 904 AM MST Mon Dec 22 2025 ...WINTER WEATHER ADVISORY HAS EXPIRED... The threat has ended. $$ MTZ067-068-230000- /O.CON.KBYZ.WS.W.0021.000000T0000Z-251223T0000Z/ Absaroka/Beartooth Mountains-Crazy Mountains- Including the locations of Cooke City 904 AM MST Mon Dec 22 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Periods of heavy snow. Total snow accumulations of 1 to 3 feet in the Absaroka-Beartooth Mountains and 8 to 15 inches in the Crazy Mountains, mainly on south and west facing slopes. Winds gusting as high as 40 mph. * WHERE...Absaroka/Beartooth Mountains and Crazy Mountains. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Recreation in the high country will be impacted by heavy accumulating snow and blowing snow. * ADDITIONAL DETAILS...Avalanche danger will continue. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for difficult winter conditions if you have plans in the backcountry. && $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Torgerson | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||