Active Weather Alerts
Red Flag Warning
Issued: 8:52 PM May. 11, 2026 – National Weather Service
...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM CDT TUESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR CENTRAL/NORTH CENTRAL SOUTH DAKOTA... * AFFECTED AREA...In South Dakota, Campbell, Walworth, Potter and Sully. * 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. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. &&
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