South Dakota Red Flag Warning | Effective 05/12/2026 11:27

Headline: 
Red Flag Warning issued May 12 at 1:27PM CDT until May 13 at 10:00PM CDT by NWS Aberdeen SD
Event: 
Red Flag Warning
Urgency: 
Expected
Effective: 
May 12, 2026 - 11:27am
Expires: 
May 12, 2026 - 7:30pm
Description: 
The National Weather Service in Aberdeen has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 10 AM to 9 PM MDT Wednesday. * AFFECTED AREA...In South Dakota, Corson and Dewey. * WINDS...Southeast 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 20 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: 
Corson; Dewey
Forcast Office: 
NWS Aberdeen SD