Wyoming Severe Red Flag Warning | Effective 08/07/2026 18:59

Headline: 
Red Flag Warning issued August 7 at 7:59PM MDT until August 9 at 9:00PM MDT by NWS Cheyenne WY
Event: 
Red Flag Warning
Urgency: 
Expected
Effective: 
August 7, 2026 - 6:59pm
Expires: 
August 8, 2026 - 5:00am
Description: 
* AFFECTED AREA...Fire weather zones 417, 418, 419, 423, 424, 428, 429, 430, 431, 432, and 433. * WIND...During the daytime hours, west to northwest winds from 15 to 25 mph with gusts up to 40 mph. Overnight, lighter variable winds of 5 to 10 mph. * HUMIDITY...Daytime minimum RH between 5 and 10 percent on Friday and on Saturday, and between 8 and 12 percent on Sunday. Overnight recoveries of 20 to 40 percent along and west of Interstate 25 and 40 to 60 percent in Niobrara, Goshen, and Eastern Laramie Counties. * 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 both Saturday and Sunday. * 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; Southwest Carbon County; Sierra Madre Range/Medicine Bow NF; Southern Laramie Valley; Southern Laramie Range; Laramie Foothills and High Plains; Laramie East High Plains; Bordeaux/Chugwater/Wheatland; Goshen/Middle-Lower North Platte River Basin
Forcast Office: 
NWS Cheyenne WY
Sender: 
w-nws.webmaster@noaa.gov