South Dakota Red Flag Warning | Effective 04/21/2026 12:39

Headline: 
Red Flag Warning issued April 21 at 2:39PM CDT until April 22 at 8:00PM CDT by NWS Aberdeen SD
Event: 
Red Flag Warning
Urgency: 
Expected
Effective: 
April 21, 2026 - 12:39pm
Expires: 
April 21, 2026 - 8:45pm
Description: 
* AFFECTED AREA...In South Dakota, Dewey, Potter, Faulk, Spink, Stanley, Sully, Hughes, Hyde, Hand, Jones, Lyman and Buffalo. * WINDS...South 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 14 percent. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress.
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: 
Dewey; Potter; Faulk; Spink; Stanley; Sully; Hughes; Hyde; Hand; Jones; Lyman; Buffalo
Forcast Office: 
NWS Aberdeen SD