Weather Warnings for Wyoming

Issued by the National Weather Service

Current watches, warnings, and advisories for Wyoming
Alerts Updated: October 5, 2026, 12:38 pm  UTC


Red Flag Warning issued October 5 at 5:28AM MDT until October 5 at 6:00PM MDT by NWS Riverton WY

Summary: * IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Central WY Fire Zones...280...289...300. In Southwest WY Fire Zone....279. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In Southwest WY...Sweetwater. * WIND: West 10 to 15 mph with gusts up to 30 mph. * HUMIDITY: As low as 10 percent. * TEMPERATURES: Highs in the upper 70s.
Severity:  Severe    Effective:  October 5, 2026, 5:28 am      Expires:  October 5, 2026, 6:00 pm
Area:  Sweetwater County/Rock Springs BLM/Flaming Gorge NRA; Natrona County/Casper BLM; Granite/Green/Ferris/Rattlesnake Mountains; Casper Mountain


Red Flag Warning issued October 4 at 11:31PM MDT until October 5 at 6:00PM MDT by NWS Cheyenne WY

Summary: ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 6 PM MDT MONDAY DUE TO WIND AND LOW RELATIVE HUMIDITY FOR A PORTION OF WY... * AFFECTED AREA...Portions of southeast Wyoming. * TIMING...From noon to 6 PM MDT Monday. * WINDS...West winds 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...Relative Humidity between 10 to 15 percent. * IMPACTS...Any fires that develop will spread rapidly. Outdoor burning is not recommended.
Severity:  Severe    Effective:  October 4, 2026, 11:31 pm      Expires:  October 5, 2026, 6:00 pm
Area:  Middle North Platte River Basin/Niobrara and Converse High Plains; North Laramie Range and Adjacent High Plains; North Laramie Valley/Shirley Basin; Ferris/Seminoe/Shirley Mountains; Central and West Carbon; North Snowy Range Foothills; Laramie Foothills and High Plains; Bordeaux/Chugwater/Wheatland