Wyoming Severe Red Flag Warning | Effective 08/10/2026 00:03

Headline: 
Red Flag Warning issued August 10 at 1:03AM MDT until August 10 at 9:00PM MDT by NWS Cheyenne WY
Event: 
Red Flag Warning
Urgency: 
Expected
Effective: 
August 10, 2026 - 12:03am
Expires: 
August 10, 2026 - 8:00pm
Description: 
The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from noon today to 9 PM MDT this evening. * AFFECTED AREA...Fire weather zones 417 through 427. * WIND...West to northwest at 10 to 20 mph with gusts up to 35 mph. * HUMIDITY...Between 9 and 18 percent. * ADDITIONAL DETAILS...Isolated high-based showers will have the potential to produce gusty and erratic winds along with a few strikes of lightning without much, if any, rainfall during the afternoon and evening hours. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended.
Instruction: 
A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
Area Description: 
Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland; 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; Southwest Carbon County; Sierra Madre Range/Medicine Bow NF; Upper North Platte River Basin; Snowy Range/Medicine Bow NF; North Snowy Range Foothills
Forcast Office: 
NWS Cheyenne WY
Sender: 
w-nws.webmaster@noaa.gov