Weather Warnings for Wyoming

Current Watches, Warnings and Advisories for Wyoming Issued by the National Weather Service
Alerts Updated: February 18, 2018, 4:14 pm  UTC


Winter Storm Warning issued February 18 at 4:14PM MST until February 19 at 12:00PM MST by NWS

Summary: ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST MONDAY... * WHAT...Heavy snow. Total snow accumulations of 6 to 10 inches through Monday morning. * WHERE...Uinta County in Southwest Wyoming. * WHEN...Tonight through noon Monday. * ADDITIONAL DETAILS...This looks to be the most significant storm
Severity:  Moderate    Effective:  February 18, 2018, 4:14 pm      Expires:  February 19, 2018, 12:00 pm
Area:  Southwest Wyoming


Winter Storm Warning issued February 18 at 3:03PM MST until February 19 at 11:00PM MST by NWS

Summary: ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST MONDAY... * WHAT...Dangerous travel. Snow and blowing. Additional accumulation 3 to 4 inches. * WHERE...Sheridan Foothills. * WHEN...Until 11 PM MST Monday.
Severity:  Moderate    Effective:  February 18, 2018, 3:03 pm      Expires:  February 19, 2018, 11:00 pm
Area:  Sheridan Foothills


Winter Weather Advisory issued February 18 at 3:03PM MST until February 19 at 11:00PM MST by NWS

Summary: ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST MONDAY... * WHAT...Snow. Plan on difficult travel conditions. Additional snow accumulations of 3 to 6 inches. * WHERE...Northeast Bighorn Mountains. * WHEN...Until 11 PM MST Monday.
Severity:  Minor    Effective:  February 18, 2018, 3:03 pm      Expires:  February 19, 2018, 11:00 pm
Area:  Northeast Big Horn Mountains


Winter Storm Warning issued February 18 at 2:46PM MST until February 20 at 12:00AM MST by NWS

Summary: ...SIGNIFICANT ACCUMULATING SNOW LIKELY OVER EAST CENTRAL WYOMING AND NEBRASKA PANHANDLE TONIGHT THROUGH MONDAY NIGHT... ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST MONDAY NIGHT... * WHAT...Heavy snow and blowing snow expected. Travel will be very difficult to impossible. Total snow accumulations of 8 to 12
Severity:  Moderate    Effective:  February 18, 2018, 2:46 pm      Expires:  February 20, 2018, 12:00 am
Area:  Converse County Lower Elevations; Ferris, Seminoe, Shirley Mountains; Niobrara County; North Laramie Range; Shirley Basin


Winter Storm Warning issued February 18 at 2:46PM MST until February 20 at 12:00AM MST by NWS

Summary: ...SIGNIFICANT ACCUMULATING SNOW LIKELY OVER EAST CENTRAL WYOMING AND NEBRASKA PANHANDLE TONIGHT THROUGH MONDAY NIGHT... ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT MST MONDAY NIGHT... * WHAT...Heavy snow and blowing snow expected. Plan on difficult travel conditions, including during the evening commute on
Severity:  Moderate    Effective:  February 18, 2018, 6:00 pm      Expires:  February 20, 2018, 12:00 am
Area:  Central Carbon County; North Snowy Range Foothills; Sierra Madre Range; Snowy Range; Southwest Carbon County; Upper North Platte River Basin


Winter Storm Warning issued February 18 at 2:46PM MST until February 20 at 12:00AM MST by NWS

Summary: ...SIGNIFICANT ACCUMULATING SNOW LIKELY OVER EAST CENTRAL WYOMING AND NEBRASKA PANHANDLE TONIGHT THROUGH MONDAY NIGHT... ...WINTER STORM WARNING NOW IN EFFECT FROM 6 AM MONDAY TO MIDNIGHT MST MONDAY NIGHT... * WHAT...Heavy snow and blowing snow expected. Plan on difficult travel conditions, including during the evening commute on
Severity:  Moderate    Effective:  February 19, 2018, 6:00 am      Expires:  February 20, 2018, 12:00 am
Area:  Central Laramie Range and Southwest Platte County; East Platte County; Goshen County; Laramie Valley; South Laramie Range; South Laramie Range Foothills


Winter Weather Advisory issued February 18 at 2:46PM MST until February 20 at 6:00AM MST by NWS

Summary: ...SIGNIFICANT ACCUMULATING SNOW LIKELY OVER EAST CENTRAL WYOMING AND NEBRASKA PANHANDLE TONIGHT THROUGH MONDAY NIGHT... ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 PM MONDAY TO 6 AM MST TUESDAY... * WHAT...Snow expected. Plan on slippery road conditions, including during the evening commute on Monday. In addition,
Severity:  Minor    Effective:  February 19, 2018, 2:00 pm      Expires:  February 20, 2018, 6:00 am
Area:  Central Laramie County; East Laramie County


Winter Storm Warning issued February 18 at 2:32PM MST until February 19 at 11:00PM MST by NWS

Summary: ...POTENT WINTER STORM LATER TODAY THROUGH MONDAY NIGHT... .A strong winter storm will cross the region tonight through Monday night, with significant snowfall expected across much of the area. Snow will continue across northeastern Wyoming and the Black Hills, and spread east across western South Dakota tonight. Snow will persist through Monday and into Monday night, before
Severity:  Moderate    Effective:  February 18, 2018, 2:32 pm      Expires:  February 19, 2018, 11:00 pm
Area:  Northern Cambell; Southern Campbell; Western Crook; Weston


Winter Storm Warning issued February 18 at 2:32PM MST until February 19 at 11:00PM MST by NWS

Summary: ...POTENT WINTER STORM LATER TODAY THROUGH MONDAY NIGHT... .A strong winter storm will cross the region tonight through Monday night, with significant snowfall expected across much of the area. Snow will continue across northeastern Wyoming and the Black Hills, and spread east across western South Dakota tonight. Snow will persist through Monday and into Monday night, before
Severity:  Moderate    Effective:  February 18, 2018, 2:32 pm      Expires:  February 19, 2018, 11:00 pm
Area:  Wyoming Black Hills


Winter Storm Warning issued February 18 at 2:32PM MST until February 19 at 11:00PM MST by NWS

Summary: ...POTENT WINTER STORM LATER TODAY THROUGH MONDAY NIGHT... .A strong winter storm will cross the region tonight through Monday night, with significant snowfall expected across much of the area. Snow will continue across northeastern Wyoming and the Black Hills, and spread east across western South Dakota tonight. Snow will persist through Monday and into Monday night, before
Severity:  Moderate    Effective:  February 18, 2018, 3:00 pm      Expires:  February 19, 2018, 11:00 pm
Area:  Northeastern Crook


Winter Storm Warning issued February 18 at 2:16PM MST until February 18 at 5:00PM MST by NWS

Summary: ...Major winter storm to spread from Western Wyoming to all of Central Wyoming during the day and continue into Monday... .Snow across Western and North-Central Wyoming will spread south and east the remainder of the day. Snow will continue in many areas tonight and east of the divide through Monday. This storm will cause significant travel impacts with possible road
Severity:  Moderate    Effective:  February 18, 2018, 2:16 pm      Expires:  February 18, 2018, 5:00 pm
Area:  Absaroka Mountains; Yellowstone National Park


Winter Storm Warning issued February 18 at 2:16PM MST until February 18 at 5:00PM MST by NWS

Summary: ...Major winter storm to spread from Western Wyoming to all of Central Wyoming during the day and continue into Monday... .Snow across Western and North-Central Wyoming will spread south and east the remainder of the day. Snow will continue in many areas tonight and east of the divide through Monday. This storm will cause significant travel impacts with possible road
Severity:  Moderate    Effective:  February 18, 2018, 2:16 pm      Expires:  February 18, 2018, 5:00 pm
Area:  Teton and Gros Ventre Mountains


Winter Storm Warning issued February 18 at 2:16PM MST until February 18 at 5:00PM MST by NWS

Summary: ...Major winter storm to spread from Western Wyoming to all of Central Wyoming during the day and continue into Monday... .Snow across Western and North-Central Wyoming will spread south and east the remainder of the day. Snow will continue in many areas tonight and east of the divide through Monday. This storm will cause significant travel impacts with possible road
Severity:  Moderate    Effective:  February 18, 2018, 2:16 pm      Expires:  February 18, 2018, 5:00 pm
Area:  Jackson Hole


Winter Storm Warning issued February 18 at 2:16PM MST until February 18 at 5:00PM MST by NWS

Summary: ...Major winter storm to spread from Western Wyoming to all of Central Wyoming during the day and continue into Monday... .Snow across Western and North-Central Wyoming will spread south and east the remainder of the day. Snow will continue in many areas tonight and east of the divide through Monday. This storm will cause significant travel impacts with possible road
Severity:  Moderate    Effective:  February 18, 2018, 2:16 pm      Expires:  February 18, 2018, 5:00 pm
Area:  Wind River Mountains West


Winter Storm Warning issued February 18 at 2:16PM MST until February 18 at 5:00PM MST by NWS

Summary: ...Major winter storm to spread from Western Wyoming to all of Central Wyoming during the day and continue into Monday... .Snow across Western and North-Central Wyoming will spread south and east the remainder of the day. Snow will continue in many areas tonight and east of the divide through Monday. This storm will cause significant travel impacts with possible road
Severity:  Moderate    Effective:  February 18, 2018, 2:16 pm      Expires:  February 18, 2018, 5:00 pm
Area:  Star Valley


Winter Storm Warning issued February 18 at 2:16PM MST until February 18 at 5:00PM MST by NWS

Summary: ...Major winter storm to spread from Western Wyoming to all of Central Wyoming during the day and continue into Monday... .Snow across Western and North-Central Wyoming will spread south and east the remainder of the day. Snow will continue in many areas tonight and east of the divide through Monday. This storm will cause significant travel impacts with possible road
Severity:  Moderate    Effective:  February 18, 2018, 2:16 pm      Expires:  February 18, 2018, 5:00 pm
Area:  Salt River and Wyoming Ranges


Winter Storm Warning issued February 18 at 2:16PM MST until February 19 at 8:00AM MST by NWS

Summary: ...Major winter storm to spread from Western Wyoming to all of Central Wyoming during the day and continue into Monday... .Snow across Western and North-Central Wyoming will spread south and east the remainder of the day. Snow will continue in many areas tonight and east of the divide through Monday. This storm will cause significant travel impacts with possible road
Severity:  Moderate    Effective:  February 18, 2018, 2:16 pm      Expires:  February 19, 2018, 8:00 am
Area:  South Lincoln County


Winter Weather Advisory issued February 18 at 2:16PM MST until February 19 at 11:00AM MST by NWS

Summary: ...Major winter storm to spread from Western Wyoming to all of Central Wyoming during the day and continue into Monday... .Snow across Western and North-Central Wyoming will spread south and east the remainder of the day. Snow will continue in many areas tonight and east of the divide through Monday. This storm will cause significant travel impacts with possible road
Severity:  Minor    Effective:  February 18, 2018, 2:16 pm      Expires:  February 19, 2018, 11:00 am
Area:  Cody Foothills


Winter Weather Advisory issued February 18 at 2:16PM MST until February 19 at 11:00AM MST by NWS

Summary: ...Major winter storm to spread from Western Wyoming to all of Central Wyoming during the day and continue into Monday... .Snow across Western and North-Central Wyoming will spread south and east the remainder of the day. Snow will continue in many areas tonight and east of the divide through Monday. This storm will cause significant travel impacts with possible road
Severity:  Minor    Effective:  February 18, 2018, 2:16 pm      Expires:  February 19, 2018, 11:00 am
Area:  North Big Horn Basin


Winter Storm Warning issued February 18 at 2:16PM MST until February 19 at 2:00PM MST by NWS

Summary: ...Major winter storm to spread from Western Wyoming to all of Central Wyoming during the day and continue into Monday... .Snow across Western and North-Central Wyoming will spread south and east the remainder of the day. Snow will continue in many areas tonight and east of the divide through Monday. This storm will cause significant travel impacts with possible road
Severity:  Moderate    Effective:  February 18, 2018, 2:16 pm      Expires:  February 19, 2018, 2:00 pm
Area:  Wind River Mountains East


Winter Weather Advisory issued February 18 at 2:16PM MST until February 19 at 2:00PM MST by NWS

Summary: ...Major winter storm to spread from Western Wyoming to all of Central Wyoming during the day and continue into Monday... .Snow across Western and North-Central Wyoming will spread south and east the remainder of the day. Snow will continue in many areas tonight and east of the divide through Monday. This storm will cause significant travel impacts with possible road
Severity:  Minor    Effective:  February 18, 2018, 2:16 pm      Expires:  February 19, 2018, 2:00 pm
Area:  Owl Creek and Bridger Mountains; Southeast Big Horn Basin; Southwest Big Horn Basin


Winter Weather Advisory issued February 18 at 2:16PM MST until February 19 at 2:00PM MST by NWS

Summary: ...Major winter storm to spread from Western Wyoming to all of Central Wyoming during the day and continue into Monday... .Snow across Western and North-Central Wyoming will spread south and east the remainder of the day. Snow will continue in many areas tonight and east of the divide through Monday. This storm will cause significant travel impacts with possible road
Severity:  Minor    Effective:  February 18, 2018, 2:16 pm      Expires:  February 19, 2018, 2:00 pm
Area:  Bighorn Mountains Southeast; Bighorn Mountains West


Winter Weather Advisory issued February 18 at 2:16PM MST until February 19 at 2:00PM MST by NWS

Summary: ...Major winter storm to spread from Western Wyoming to all of Central Wyoming during the day and continue into Monday... .Snow across Western and North-Central Wyoming will spread south and east the remainder of the day. Snow will continue in many areas tonight and east of the divide through Monday. This storm will cause significant travel impacts with possible road
Severity:  Minor    Effective:  February 18, 2018, 2:16 pm      Expires:  February 19, 2018, 2:00 pm
Area:  Upper Wind River Basin


Winter Weather Advisory issued February 18 at 2:16PM MST until February 19 at 2:00PM MST by NWS

Summary: ...Major winter storm to spread from Western Wyoming to all of Central Wyoming during the day and continue into Monday... .Snow across Western and North-Central Wyoming will spread south and east the remainder of the day. Snow will continue in many areas tonight and east of the divide through Monday. This storm will cause significant travel impacts with possible road
Severity:  Minor    Effective:  February 18, 2018, 2:16 pm      Expires:  February 19, 2018, 2:00 pm
Area:  Wind River Basin


Winter Weather Advisory issued February 18 at 2:16PM MST until February 19 at 2:00PM MST by NWS

Summary: ...Major winter storm to spread from Western Wyoming to all of Central Wyoming during the day and continue into Monday... .Snow across Western and North-Central Wyoming will spread south and east the remainder of the day. Snow will continue in many areas tonight and east of the divide through Monday. This storm will cause significant travel impacts with possible road
Severity:  Minor    Effective:  February 18, 2018, 2:16 pm      Expires:  February 19, 2018, 2:00 pm
Area:  Lander Foothills


Winter Storm Warning issued February 18 at 2:16PM MST until February 19 at 5:00PM MST by NWS

Summary: ...Major winter storm to spread from Western Wyoming to all of Central Wyoming during the day and continue into Monday... .Snow across Western and North-Central Wyoming will spread south and east the remainder of the day. Snow will continue in many areas tonight and east of the divide through Monday. This storm will cause significant travel impacts with possible road
Severity:  Moderate    Effective:  February 18, 2018, 2:16 pm      Expires:  February 19, 2018, 5:00 pm
Area:  Northeast Johnson County


Winter Storm Warning issued February 18 at 2:16PM MST until February 19 at 8:00PM MST by NWS

Summary: ...Major winter storm to spread from Western Wyoming to all of Central Wyoming during the day and continue into Monday... .Snow across Western and North-Central Wyoming will spread south and east the remainder of the day. Snow will continue in many areas tonight and east of the divide through Monday. This storm will cause significant travel impacts with possible road
Severity:  Moderate    Effective:  February 18, 2018, 2:16 pm      Expires:  February 19, 2018, 8:00 pm
Area:  Southeast Johnson County


Winter Storm Warning issued February 18 at 2:16PM MST until February 19 at 11:00PM MST by NWS

Summary: ...Major winter storm to spread from Western Wyoming to all of Central Wyoming during the day and continue into Monday... .Snow across Western and North-Central Wyoming will spread south and east the remainder of the day. Snow will continue in many areas tonight and east of the divide through Monday. This storm will cause significant travel impacts with possible road
Severity:  Moderate    Effective:  February 18, 2018, 2:16 pm      Expires:  February 19, 2018, 11:00 pm
Area:  Green Mountains and Rattlesnake Range


Winter Storm Warning issued February 18 at 2:16PM MST until February 19 at 11:00PM MST by NWS

Summary: ...Major winter storm to spread from Western Wyoming to all of Central Wyoming during the day and continue into Monday... .Snow across Western and North-Central Wyoming will spread south and east the remainder of the day. Snow will continue in many areas tonight and east of the divide through Monday. This storm will cause significant travel impacts with possible road
Severity:  Moderate    Effective:  February 18, 2018, 2:16 pm      Expires:  February 19, 2018, 11:00 pm
Area:  Casper Mountain; Natrona County Lower Elevations


Winter Storm Warning issued February 18 at 2:16PM MST until February 19 at 11:00PM MST by NWS

Summary: ...Major winter storm to spread from Western Wyoming to all of Central Wyoming during the day and continue into Monday... .Snow across Western and North-Central Wyoming will spread south and east the remainder of the day. Snow will continue in many areas tonight and east of the divide through Monday. This storm will cause significant travel impacts with possible road
Severity:  Moderate    Effective:  February 18, 2018, 2:16 pm      Expires:  February 19, 2018, 11:00 pm
Area:  East Sweetwater County; Flaming Gorge


Winter Weather Advisory issued February 18 at 2:16PM MST until February 19 at 11:00PM MST by NWS

Summary: ...Major winter storm to spread from Western Wyoming to all of Central Wyoming during the day and continue into Monday... .Snow across Western and North-Central Wyoming will spread south and east the remainder of the day. Snow will continue in many areas tonight and east of the divide through Monday. This storm will cause significant travel impacts with possible road
Severity:  Minor    Effective:  February 18, 2018, 2:16 pm      Expires:  February 19, 2018, 11:00 pm
Area:  Rock Springs and Green River


Hydrologic Outlook issued February 18 at 7:31AM MST by NWS

Summary: ...Ice jam flooding possible along Big Horn and Shoshone Rivers during the middle to late next week... The main channels of the Big Horn and Shoshone Rivers are expected to completely freeze by the middle of next week. The thickness of the ice will be noticeably greater by next week as well.
Severity:  Unknown    Effective:  February 18, 2018, 7:31 am      Expires:  February 19, 2018, 7:31 am
Area:  Big Horn; Park


Avalanche Warning issued February 18 at 5:25AM MST by NWS

Summary: THE FOLLOWING MESSAGE IS TRANSMITTED AT THE REQUEST OF THE BRIDGER-TETON NATIONAL FOREST AVALANCHE CENTER. THE FOREST SERVICE BRIDGER TETON AVALANCHE CENTER IN JACKSON HAS ISSUED A BACKCOUNTRY AVALANCHE WARNING. TIMING...UNTIL 6 PM TODAY. AFFECTED AREA...TETON RANGE, TOGWOTEE PASS AREA, SNAKE RIVER
Severity:  Unknown    Effective:  February 18, 2018, 2:16 pm      Expires:  February 18, 2018, 5:30 pm
Area:  Salt River and Wyoming Ranges; Teton and Gros Ventre Mountains


Winter Storm Watch issued February 17 at 4:46AM MST until February 20 at 12:00PM MST by NWS

Summary: ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY MORNING... * WHAT...Heavy snow possible. Total snow accumulations of 3 to 7 inches in Utah valleys, 8 to 16 inches on the benches and in Wyoming, and 12 to 24 inches with locally higher amounts in the mountains.
Severity:  Moderate    Effective:  February 18, 2018, 5:00 am      Expires:  February 20, 2018, 12:00 pm
Area:  Southwest Wyoming