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Home Return to list Winter Storm Watch 0004 Issued by the Cheyenne Forecast Office
Action: New Issued At: 2026-05-04 03:41:34 867 WWUS45 KCYS 040841 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 241 AM MDT Mon May 4 2026 WYZ110-050000- /O.UPG.KCYS.WS.A.0003.260505T0300Z-260506T1800Z/ /O.NEW.KCYS.WS.W.0006.260505T0300Z-260506T1800Z/ North Snowy Range Foothills- Including the cities of Elk Mountain and Arlington 241 AM MDT Mon May 4 2026 ...WINTER STORM WARNING IN EFFECT FROM 9 PM THIS EVENING TO NOON MDT WEDNESDAY... * WHAT...Heavy snow expected. Total snow accumulations between 5 and 10 inches. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...From 9 PM this evening to noon MDT Wednesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick, slushy, and hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ114-050000- /O.UPG.KCYS.WS.A.0003.260505T0300Z-260506T1800Z/ /O.NEW.KCYS.WS.W.0006.260505T0300Z-260506T1800Z/ Snowy Range- Including the cities of Albany and Centennial 241 AM MDT Mon May 4 2026 ...WINTER STORM WARNING IN EFFECT FROM 9 PM THIS EVENING TO NOON MDT WEDNESDAY... * WHAT...Heavy snow expected. Total snow accumulations between 10 and 18 inches mainly above 9000 ft in elevation and on the northern and eastern sides of the range. * WHERE...Snowy Range. * WHEN...From 9 PM this evening to noon MDT Wednesday. * IMPACTS...Outdoor recreation could become life threatening to those caught unprepared for severe winter conditions. Hikers and snowmobilers may easily become disoriented. Frostbite and hypothermia can develop quickly. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ116-117-050000- /O.UPG.KCYS.WS.A.0003.260505T0300Z-260506T1800Z/ /O.NEW.KCYS.WS.W.0006.260505T0300Z-260506T1800Z/ South Laramie Range-South Laramie Range Foothills- Including the cities of Vedauwoo, Pumpkin Vine, Whitaker, Horse Creek, Federal, and Buford 241 AM MDT Mon May 4 2026 ...WINTER STORM WARNING IN EFFECT FROM 9 PM THIS EVENING TO NOON MDT WEDNESDAY... * WHAT...Heavy snow expected. Total snow accumulations between 8 and 16 inches. * WHERE...South Laramie Range and Foothills including the Interstate 80 Summit between Cheyenne and Laramie. * WHEN...From 9 PM this evening to noon MDT Wednesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. The weight of the heavy, wet snow on tree limbs and powerlines and could cause sporadic power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ103-050000- /O.NEW.KCYS.WW.Y.0016.260505T0300Z-260506T1500Z/ North Laramie Range- Including the cities of Garrett 241 AM MDT Mon May 4 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT WEDNESDAY... * WHAT...Snow expected. Total snow accumulations between 4 and 8 inches. * WHERE...North Laramie Range. * WHEN...From 9 PM this evening to 9 AM MDT Wednesday. * IMPACTS...Outdoor recreation could become dangerous to those caught unprepared for hazardous winter conditions. Hunters, hikers, and snowmobilers may become disoriented and lost due to low visibility in falling and blowing snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ105-115-050000- /O.NEW.KCYS.WW.Y.0016.260505T0600Z-260506T1500Z/ Shirley Basin-Laramie Valley- Including the cities of Medicine Bow, Shirley Basin, Laramie, and Bosler 241 AM MDT Mon May 4 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT WEDNESDAY... * WHAT...Snow expected. Total snow accumulations between 3 and 9 inches. Areas on the western side of the Laramie Valley will be favored for heavier snow totals. * WHERE...Shirley Basin and Laramie Valley. * WHEN...From midnight tonight to 9 AM MDT Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Tuesday morning and evening commutes. The heavy, wet snow could lead to broken tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ106-050000- /O.NEW.KCYS.WW.Y.0016.260505T0600Z-260506T1500Z/ Central Laramie Range and Southwest Platte County- Including the cities of Bordeaux 241 AM MDT Mon May 4 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT WEDNESDAY... * WHAT...Snow expected. Total snow accumulations up to 3 to 7 inches mainly above 5500 ft in elevation. Lower totals are expected at lower elevations. * WHERE...Central Laramie Range and Southwest Platte County. * WHEN...From midnight tonight to 9 AM MDT Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Tuesday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ118-050000- /O.NEW.KCYS.WS.A.0004.260505T0600Z-260506T1500Z/ Central Laramie County- Including the cities of Cheyenne 241 AM MDT Mon May 4 2026 ...WINTER STORM WATCH IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY MORNING... * WHAT...Heavy snow possible. Total snow accumulations between 4 and 8 inches possible. * WHERE...Central Laramie County. * WHEN...From late tonight through Wednesday morning. * IMPACTS...The strong winds and weight of snow on tree limbs may down power lines and could cause sporadic power outages. Travel could be very difficult. The hazardous conditions could impact the Tuesday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ MN Action: Correction Issued At: 2026-05-04 04:15:34 009 WWUS45 KCYS 040915 CCA WSWCYS URGENT - WINTER WEATHER MESSAGE...CORRECTED National Weather Service Cheyenne WY 315 AM MDT Mon May 4 2026 WYZ110-050000- /O.UPG.KCYS.WS.A.0003.260505T0300Z-260506T1800Z/ /O.NEW.KCYS.WS.W.0006.260505T0300Z-260506T1800Z/ North Snowy Range Foothills- Including the cities of Elk Mountain and Arlington 315 AM MDT Mon May 4 2026 ...WINTER STORM WARNING IN EFFECT FROM 9 PM THIS EVENING TO NOON MDT WEDNESDAY... * WHAT...Heavy snow expected. Total snow accumulations between 5 and 10 inches. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...From 9 PM this evening to noon MDT Wednesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick, slushy, and hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ WYZ114-050000- /O.UPG.KCYS.WS.A.0003.260505T0300Z-260506T1800Z/ /O.NEW.KCYS.WS.W.0006.260505T0300Z-260506T1800Z/ Snowy Range- Including the cities of Albany and Centennial 315 AM MDT Mon May 4 2026 ...WINTER STORM WARNING IN EFFECT FROM 9 PM THIS EVENING TO NOON MDT WEDNESDAY... * WHAT...Heavy snow expected. Total snow accumulations between 10 and 18 inches mainly above 9000 ft in elevation and on the northern and eastern sides of the range. * WHERE...Snowy Range. * WHEN...From 9 PM this evening to noon MDT Wednesday. * IMPACTS...Outdoor recreation could become dangerous to those caught unprepared for hazardous winter conditions. Hunters, hikers, and snowmobilers may become disoriented and lost due to low visibility in falling and blowing snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ WYZ116-117-050000- /O.UPG.KCYS.WS.A.0003.260505T0300Z-260506T1800Z/ /O.NEW.KCYS.WS.W.0006.260505T0300Z-260506T1800Z/ South Laramie Range-South Laramie Range Foothills- Including the cities of Vedauwoo, Pumpkin Vine, Whitaker, Horse Creek, Federal, and Buford 315 AM MDT Mon May 4 2026 ...WINTER STORM WARNING IN EFFECT FROM 9 PM THIS EVENING TO NOON MDT WEDNESDAY... * WHAT...Heavy snow expected. Total snow accumulations between 8 and 16 inches. * WHERE...South Laramie Range and Foothills including the Interstate 80 Summit between Cheyenne and Laramie. * WHEN...From 9 PM this evening to noon MDT Wednesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. The weight of the heavy, wet snow on tree limbs and powerlines and could cause sporadic power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ WYZ103-050000- /O.NEW.KCYS.WW.Y.0016.260505T0300Z-260506T1500Z/ North Laramie Range- Including the cities of Garrett 315 AM MDT Mon May 4 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT WEDNESDAY... * WHAT...Snow expected. Total snow accumulations between 4 and 8 inches. * WHERE...North Laramie Range. * WHEN...From 9 PM this evening to 9 AM MDT Wednesday. * IMPACTS...Outdoor recreation could become dangerous to those caught unprepared for hazardous winter conditions. Hunters, hikers, and snowmobilers may become disoriented and lost due to low visibility in falling and blowing snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ105-115-050000- /O.NEW.KCYS.WW.Y.0016.260505T0600Z-260506T1500Z/ Shirley Basin-Laramie Valley- Including the cities of Medicine Bow, Shirley Basin, Laramie, and Bosler 315 AM MDT Mon May 4 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT WEDNESDAY... * WHAT...Snow expected. Total snow accumulations between 3 and 9 inches. Areas on the western side of the Laramie Valley will be favored for heavier snow totals. * WHERE...Shirley Basin and Laramie Valley. * WHEN...From midnight tonight to 9 AM MDT Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Tuesday morning and evening commutes. The heavy, wet snow could lead to broken tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ106-050000- /O.NEW.KCYS.WW.Y.0016.260505T0600Z-260506T1500Z/ Central Laramie Range and Southwest Platte County- Including the cities of Bordeaux 315 AM MDT Mon May 4 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT WEDNESDAY... * WHAT...Snow expected. Total snow accumulations up to 3 to 7 inches mainly above 5500 ft in elevation. Lower totals are expected at lower elevations. * WHERE...Central Laramie Range and Southwest Platte County. * WHEN...From midnight tonight to 9 AM MDT Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Tuesday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ118-050000- /O.COR.KCYS.WS.A.0004.260505T0600Z-260506T1500Z/ Central Laramie County- Including the cities of Cheyenne 315 AM MDT Mon May 4 2026 ...WINTER STORM WATCH IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY MORNING... * WHAT...Heavy snow possible. Total snow accumulations between 4 and 8 inches possible. * WHERE...Central Laramie County. * WHEN...From late tonight through Wednesday morning. * IMPACTS...The weight of the heavy, wet snow on tree limbs may down power lines and could cause sporadic power outages. Travel could be very difficult. The hazardous conditions could impact the morning and evening commutes on Tuesday, and the morning commute on Wednesday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ MN Action: Upgraded Issued At: 2026-05-04 13:51:50 038 WWUS45 KCYS 041851 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 1251 PM MDT Mon May 4 2026 WYZ118-051200- /O.UPG.KCYS.WS.A.0004.260505T0600Z-260506T1500Z/ /O.EXB.KCYS.WS.W.0006.260505T0600Z-260506T1500Z/ Central Laramie County- Including the cities of Cheyenne 1251 PM MDT Mon May 4 2026 ...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT WEDNESDAY... * WHAT...Heavy snow possible. Total snow accumulations between 4 and 10 inches possible. * WHERE...Central Laramie County. * WHEN...From midnight tonight to 9 AM MDT Wednesday. * IMPACTS...The weight of the heavy, wet snow on tree limbs may down power lines and could cause sporadic power outages. Travel could be very difficult. The hazardous conditions could impact the morning and evening commutes on Tuesday, and the morning commute on Wednesday. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ110-051200- /O.CON.KCYS.WS.W.0006.260505T0300Z-260506T1800Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 1251 PM MDT Mon May 4 2026 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO NOON MDT WEDNESDAY... * WHAT...Heavy snow expected. Total snow accumulations between 5 and 10 inches. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...From 9 PM this evening to noon MDT Wednesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick, slushy, and hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ WYZ114-051200- /O.CON.KCYS.WS.W.0006.260505T0300Z-260506T1800Z/ Snowy Range- Including the cities of Centennial and Albany 1251 PM MDT Mon May 4 2026 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO NOON MDT WEDNESDAY... * WHAT...Heavy snow expected. Total snow accumulations between 10 and 18 inches mainly above 9000 ft in elevation and on the northern and eastern sides of the range. * WHERE...Snowy Range. * WHEN...From 9 PM this evening to noon MDT Wednesday. * IMPACTS...Outdoor recreation could become dangerous to those caught unprepared for hazardous winter conditions. Hunters, hikers, and snowmobilers may become disoriented and lost due to low visibility in falling and blowing snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ WYZ116-117-051200- /O.CON.KCYS.WS.W.0006.260505T0300Z-260506T1800Z/ South Laramie Range-South Laramie Range Foothills- Including the cities of Buford, Federal, Vedauwoo, Horse Creek, Whitaker, and Pumpkin Vine 1251 PM MDT Mon May 4 2026 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO NOON MDT WEDNESDAY... * WHAT...Heavy snow expected. Total snow accumulations between 7 and 17 inches. * WHERE...South Laramie Range and Foothills including the Interstate 80 Summit between Cheyenne and Laramie. * WHEN...From 9 PM this evening to noon MDT Wednesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. The weight of the heavy, wet snow on tree limbs and powerlines and could cause sporadic power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ WYZ112-051200- /O.EXB.KCYS.WW.Y.0016.260505T1200Z-260506T1200Z/ Sierra Madre Range- 1251 PM MDT Mon May 4 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM TUESDAY TO 6 AM MDT WEDNESDAY... * WHAT...Snow expected. Total snow accumulations up to 4 to 8 inches with accumulations up to 13 inches possible above 9000ft. Winds gusting as high as 35 mph. * WHERE...Sierra Madre Range. * WHEN...From 6 AM Tuesday to 6 AM MDT Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Tuesday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ103-051200- /O.CON.KCYS.WW.Y.0016.260505T0300Z-260506T1500Z/ North Laramie Range- Including the cities of Garrett 1251 PM MDT Mon May 4 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT WEDNESDAY... * WHAT...Snow expected. Total snow accumulations between 4 and 8 inches. * WHERE...North Laramie Range. * WHEN...From 9 PM this evening to 9 AM MDT Wednesday. * IMPACTS...Outdoor recreation could become dangerous to those caught unprepared for hazardous winter conditions. Hunters, hikers, and snowmobilers may become disoriented and lost due to low visibility in falling and blowing snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ105-115-051200- /O.CON.KCYS.WW.Y.0016.260505T0600Z-260506T1500Z/ Shirley Basin-Laramie Valley- Including the cities of Laramie, Medicine Bow, Bosler, and Shirley Basin 1251 PM MDT Mon May 4 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT WEDNESDAY... * WHAT...Snow expected. Total snow accumulations between 3 and 9 inches. Areas on the western side of the Laramie Valley will be favored for heavier snow totals. * WHERE...Shirley Basin and Laramie Valley. * WHEN...From midnight tonight to 9 AM MDT Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Tuesday morning and evening commutes. The heavy, wet snow could lead to broken tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WYZ106-051200- /O.CON.KCYS.WW.Y.0016.260505T0600Z-260506T1500Z/ Central Laramie Range and Southwest Platte County- Including the cities of Bordeaux 1251 PM MDT Mon May 4 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT WEDNESDAY... * WHAT...Snow expected. Total snow accumulations up to 4 to 9 inches mainly above 5500 ft in elevation. Lower totals are expected at lower elevations. * WHERE...Central Laramie Range and Southwest Platte County. * WHEN...From midnight tonight to 9 AM MDT Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Tuesday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MM | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||