South Dakota Flash Flood Warning - Severe | Effective 05/24/2026 21:29

Headline: 
Flash Flood Warning issued May 24 at 11:29PM CDT until May 25 at 2:15AM CDT by NWS Sioux Falls SD
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
May 24, 2026 - 9:29pm
Expires: 
May 25, 2026 - 12:15am
Description: 
FFWFSD The National Weather Service in Sioux Falls has issued a * Flash Flood Warning for... Southeastern Minnehaha County in southeastern South Dakota... * Until 215 AM CDT. * At 1129 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. The expected rainfall rate is 2 to 3 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. 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... Sioux Falls, Brandon and Ellis.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Area Description: 
Minnehaha, SD
Forcast Office: 
NWS Sioux Falls SD