Red Flag Warning South Dakota | Effective 03/21/2026 08:53

Headline: 
Red Flag Warning issued March 21 at 9:53AM MDT until March 21 at 9:00PM MDT by NWS Rapid City SD
Event: 
Red Flag Warning
Urgency: 
Expected
Effective: 
March 21, 2026 - 8:53am
Expires: 
March 21, 2026 - 8:00pm
Description: 
...CRITICAL FIRE WEATHER CONDITIONS TODAY FOR MUCH OF NORTHEASTERN WYOMING AND WESTERN SOUTH DAKOTA... .A combination of very warm temperatures, low relative humidities, and gusty winds will result in critical fire weather conditions through this evening. A cold front will cross the region this evening into tonight, resulting in a few light rain showers, rising humidities, and a switch to breezy northerly winds. * AFFECTED AREA...Fire Weather Zones 329 West Central Plains, 331 Haakon County Area, 334 Mellette and Todd Counties, and 335 Tripp County. * WINDS...West 15 to 25 MPH with gusts up to 40 MPH, switching to north this evening. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...The combination of gusty winds, low relative humidity, and very warm temperatures will produce critical fire weather conditions.
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: 
West Central Plains; Haakon County Area; Mellette and Todd Counties; Tripp County
Forcast Office: 
NWS Rapid City SD
Sender: 
w-nws.webmaster@noaa.gov