South Dakota Red Flag Warning | Effective 05/11/2026 12:37

Headline: 
Red Flag Warning issued May 11 at 2:37PM CDT until May 12 at 7:00PM CDT by NWS Aberdeen SD
Event: 
Red Flag Warning
Urgency: 
Expected
Effective: 
May 11, 2026 - 12:37pm
Expires: 
May 12, 2026 - 4:00am
Description: 
The National Weather Service in Aberdeen has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 11 AM to 7 PM CDT Tuesday. * AFFECTED AREA...In South Dakota, Marshall. * WINDS...Northwest 25 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 25 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: 
Marshall
Forcast Office: 
NWS Aberdeen SD