Minnesota, South Dakota Red Flag Warning | Effective 04/20/2026 06:12
* AFFECTED AREA...In Minnesota, Traverse and Big Stone. In South
Dakota, Roberts, Clark, Codington, Grant, Hamlin and Deuel.
* WINDS...Southwest 15 to 25 mph with gusts up to 40 mph.
* RELATIVE HUMIDITY...As low as 22 percent.
* IMPACTS...Any fires that ignite will spread rapidly and become
difficult to control or suppress.
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