Minnesota Severe Flash Flood Warning | Effective 09/18/2026 22:23

Headline: 
Flash Flood Warning issued September 19 at 12:23AM CDT until September 19 at 2:30AM CDT by NWS La Crosse WI
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
September 18, 2026 - 10:23pm
Expires: 
September 19, 2026 - 12:30am
Description: 
FFWARX The National Weather Service in La Crosse has extended the * Flash Flood Warning for... Northern Fillmore County in southeastern Minnesota... Northern Mower County in southeastern Minnesota... * Until 230 AM CDT. * At 1223 AM CDT, local law enforcement reported thunderstorms producing heavy rain in trees were washed down at highway 43 from south Rushford to Bratsberg. Minnesota highway 16 between Wayland and Peterson has flooding reported along the highway. Water is over the roadway at County 57 and Minnesota 56. Between 3 and 6.5 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Law enforcement 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... Chatfield, Rushford, Grand Meadow, Lanesboro, Brownsdale, Wykoff, Fountain, Lansing, Rushford Village, Washington, Racine, Mayville, Dexter, Pilot Mound, Arendahl, Peterson, Waltham and Whalan. This includes Interstate 90 in Minnesota between mile markers 193 and 204.
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: 
Fillmore, MN; Mower, MN
Forcast Office: 
NWS La Crosse WI
Sender: 
w-nws.webmaster@noaa.gov