South Dakota Flash Flood Warning - Severe | Effective 06/02/2026 16:39

Headline: 
Flash Flood Warning issued June 2 at 5:39PM MDT until June 2 at 11:45PM MDT by NWS Rapid City SD
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
June 2, 2026 - 4:39pm
Expires: 
June 2, 2026 - 10:45pm
Description: 
FFWUNR The National Weather Service in Rapid City has issued a * Flash Flood Warning for... Eastern Custer County in southwestern South Dakota... Northwestern Oglala Lakota County in southwestern South Dakota... * Until 1145 PM MDT Tuesday. * At 539 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 4 inches of rain have fallen. Additional rainfall amounts of 2 to 4 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 and low lying areas. * Some locations that will experience flash flooding include... Red Shirt, Red Shirt Table Overlook and southwestern Badlands National Park.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.
Area Description: 
Custer, SD; Oglala Lakota, SD
Forcast Office: 
NWS Rapid City SD