Minnesota Severe Flash Flood Warning | Effective 09/06/2026 20:21

Headline: 
Flash Flood Warning issued September 6 at 10:21PM CDT until September 7 at 12:30AM CDT by NWS Grand Forks ND
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
September 6, 2026 - 8:21pm
Expires: 
September 6, 2026 - 10:30pm
Description: 
At 1021 PM CDT, Multiple reports of reports of stalled vehicles and flooded roads in Fergus Falls. Between 4 and 6 inches of rain have fallen. Flooding impacts will continue, but no additional rainfall is expected. Flash flooding is already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Public reported. 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... Fergus Falls, southwestern Ottertail Lake, Battle Lake, southwestern Star Lake, Underwood, Elizabeth, southeastern Maplewood State Park, Carlisle, Amor, Phelps, Edwards, Maplewood, Glendalough and Fergus Falls Airport. This includes the following streams and drainages... Toad River, Otter Tail River, Mustinka River, Pomme de Terre River and Reed Creek.
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. Be aware of your surroundings and do not drive on flooded roads. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
Area Description: 
Otter Tail, MN
Forcast Office: 
NWS Grand Forks ND
Sender: 
w-nws.webmaster@noaa.gov