Nebraska, Wyoming Red Flag Warning | Effective 04/20/2026 23:34

Headline: 
Red Flag Warning issued April 21 at 12:34AM MDT until April 22 at 8:00PM MDT by NWS Cheyenne WY
Event: 
Red Flag Warning
Urgency: 
Expected
Effective: 
April 20, 2026 - 11:34pm
Expires: 
April 21, 2026 - 5:00pm
Description: 
...MULTI DAY RED FLAG WARNING IS IN EFFECT UNTIL WEDNESDAY EVENING... * AFFECTED AREA...Fire weather zones 417, 418, 430, 431, 432, 433, 434, 435, 436, and 437. * WIND... Southerly winds 10 to 15 mph gusting up to 35 mph on Tuesday. Southwest winds with gusts between 35 and 50 mph on Wednesday. * HUMIDITY...5 to 12 percent. * 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: 
Pine Ridge/Nebraska National Forest; Box Butte/South Sioux/Niobrara River; Lower North Platte River Basin/Scottsbluff National Monument; Lodgepole Creek/Southern Nebraska Panhandle; Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland; Middle North Platte River Basin/Niobrara and Converse High Plains; 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