Severe · Flash Flood WarningActive alert
Flash Flood Warning issued September 5 at 6:24AM CDT until September 5
Affecting Davison, SD; Hanson, SD; Hutchinson, SD
In effect until: Sep 5, 2026, 1:45 PM
Davison, SD; Hanson, SD; Hutchinson, SD
Likely impact across 3 counties in SD; effects through 1:45 PM.
Get to higher ground now. Never drive through flooded roads.
Read the original bulletin (official text)
At 624 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 4 inches of rain have fallen. The expected rainfall rate is 0.5 to 1 inch in 1 hour. Additional rainfall amounts of 0.5 to 1.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Ethan, Dimock and Milltown.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™