South Dakota Red Flag Warning | Effective 04/21/2026 23:17
* AFFECTED AREA...In South Dakota, Dewey, Potter, Faulk, Spink,<br />
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 15 percent.
* IMPACTS...Any fires that ignite will spread rapidly and become<br />
difficult to control or suppress.<br />
A Red Flag Warning means that critical fire weather conditions<br />
are either occurring now, or will shortly. A combination of<br />
strong winds, low relative humidity, and warm temperatures can<br />