September 18, 2026

Midwest Storm Chasers

Live Weather Coverage & Severe Storm Reporting

⚠️ Flood Watch – Mitchell; Howard; Winneshiek; Allamakee; Dodge; Olmsted; Winona; Mower; Fillmore; Houston; La Crosse; Monroe; Vernon; Crawford; Richland; Grant – Thursday, September 17, 2026

Event Flood Watch
Severity Severe
Urgency Future
Certainty Possible
Area Mitchell; Howard; Winneshiek; Allamakee; Dodge; Olmsted; Winona; Mower; Fillmore; Houston; La Crosse; Monroe; Vernon; Crawford; Richland; Grant
Effective 9/17/2026, 8:08:00 PM CDT
Expires 9/18/2026, 8:15:00 AM CDT

Flood Watch issued September 17 at 8:08PM CDT until September 19 at 1:00PM CDT by NWS La Crosse WI

Details

* WHAT…Flooding caused by excessive rainfall is possible.

* WHERE…In northeast Iowa, Allamakee, Howard, Mitchell and
Winneshiek Counties. In southeast Minnesota, Dodge, Fillmore,
Houston, Mower, Olmsted and Winona Counties. In Wisconsin,
Crawford, Grant, La Crosse, Monroe, Richland and Vernon Counties.

* WHEN…From Friday evening through Saturday afternoon.

* IMPACTS…Creeks and streams may rise out of their banks. Flooding
may occur in poor drainage and urban areas.

* ADDITIONAL DETAILS…
– Widespread rain is expected to develop across the region Friday
afternoon and continue into the day Saturday. Some locations may
see multiple inches of rainfall, particularly along and south of
Interstate 90 and north of Highway 18.
– http://www.weather.gov/safety/flood

Instructions

You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.


This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.