South Dakota Red Flag Warning | Effective 05/11/2026 19:03

Headline: 
Red Flag Warning issued May 11 at 9:03PM CDT until May 12 at 9:00PM CDT by NWS Aberdeen SD
Event: 
Red Flag Warning
Urgency: 
Expected
Effective: 
May 11, 2026 - 7:03pm
Expires: 
May 12, 2026 - 9:00am
Description: 
* AFFECTED AREA...In South Dakota, Hughes and Lyman. * WINDS...Northwest 20 to 30 mph with gusts up to 40 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: 
Hughes; Lyman
Forcast Office: 
NWS Aberdeen SD