Active Weather Alerts
Flash Flood Warning
Issued: 1:58 AM Apr. 4, 2026 – National Weather Service
The National Weather Service in La Crosse has issued a * Flash Flood Warning for... Northwestern Allamakee County in northeastern Iowa... Winneshiek County in northeastern Iowa... Southeastern Houston County in southeastern Minnesota... Western Vernon County in southwestern Wisconsin... Southeastern La Crosse County in west central Wisconsin... Southwestern Monroe County in west central Wisconsin... * Until 100 AM CDT. * At 858 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 3 inches of rain have fallen. Additional rainfall amounts up to 1 inch 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... La Crosse, Decorah, Viroqua, Westby, Cashton, Calmar, Ossian, Stoddard, Coon Valley, New Albin, Brownsville, Spillville, Fort Atkinson, Ridgeway, Springville, Portland, Rockland, Ontario, Wilmington and Reno. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && FLASH FLOOD...RADAR INDICATED
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