Weather Warnings for Wyoming

Issued by the National Weather Service

Current watches, warnings, and advisories for Wyoming
Alerts Updated: February 10, 2026, 7:34 pm  UTC


Winter Storm Warning issued February 10 at 12:34PM MST until February 12 at 11:00AM MST by NWS Cheyenne WY

Summary: * WHAT...Heavy snow expected. Total snow accumulations of 12 to 20 inches. * WHERE...Sierra Madre Range and Snowy Range. * WHEN...From 5 AM Wednesday to 11 AM MST Thursday. * 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.
Severity:  Severe    Effective:  February 10, 2026, 12:34 pm      Expires:  February 11, 2026, 5:00 am
Area:  Sierra Madre Range; Snowy Range


Winter Weather Advisory issued February 10 at 12:30PM MST until February 11 at 5:00PM MST by NWS Riverton WY

Summary: * WHAT...Snow expected. Total snow accumulations of 5 to 10 inches across the Teton Mountains and the southern portions of the Gros Ventre Mountains. The highest peaks could see around 12 inches of snow. Snow accumulations of 2 to 5 inches across Togwotee Pass and 4 to 9 inches across Teton Pass. * WHERE...Teton and Gros Ventre Mountains. * WHEN...From 5 PM this afternoon to 5 PM MST Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Tuesday evening and Wednesday commutes, especially over Teton Pass. * ADDITIONAL DETAILS...The heaviest period of snow is expected Wednesday 5AM to 5PM, with possible snowfall rates of 0.5 inch/hour to 1 inch/hour.
Severity:  Moderate    Effective:  February 10, 2026, 12:30 pm      Expires:  February 11, 2026, 7:00 am
Area:  Teton and Gros Ventre Mountains