Severe Flood ● Closed

Flood Watch issued September 18 at 11:00AM CDT until September 19 at 1:00PM CDT by NWS La Crosse WI, United States of America

Icon = what happened · ring colour = how serious: Extreme Severe Moderate Minor

Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.

* WHAT...Flooding caused by excessive rainfall continues to be
possible.

* WHERE...Portions of Iowa, including the following counties,
Allamakee, Howard, Mitchell and Winneshiek, southeast Minnesota,
including the following counties, Dodge, Fillmore, Houston, Mower,
Olmsted and Winona, and Wisconsin, including the following
counties, Crawford, Grant, La Crosse, Monroe, Richland and Vernon.

* WHEN...From 7 PM CDT this 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 has developed across the region today and will
continue into the day Saturday. The heaviest rainfall will occur
from Friday evening through Saturday morning. Some locations may
see multiple inches of rainfall, particularly near and south of
Interstate 94.
- http://www.weather.gov/safety/flood

Measurements

Coordinates39.9645, -100.8105
RegionMitchell; Howard; Winneshiek; Allamakee; Dodge; Olmsted; Winona; Mower; Fillmore; Houston; La Crosse; Monroe; Vernon; Crawford; Richland; Grant
Location Precisioncountry
Issuing AuthorityUnited States of America — us-noaa-nws-en
Cap UrgencyFuture
Cap CertaintyPossible
Cap Expires2026-09-19T00:00:00-05:00

Official source

Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.

This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.

Severity as published by WMO Alert Hub (national weather services).

View original report

Also reported by: WMO

This event as JSON · API and licence

Source updated 31 days ago (Sep 18, 2026 16:01 UTC) · we last heard from WMO Alert Hub (national weather services) 38 seconds ago

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About this location

The agency did not publish coordinates for this warning. The pin is the centre of the country, not the location of the event — read the area name, not the map, for where it applies.

Area as the agency stated it: Mitchell; Howard; Winneshiek; Allamakee; Dodge; Olmsted; Winona; Mower; Fillmore; Houston; La Crosse; Monroe; Vernon; Crawford; Richland; Grant

Official authorities in United States

If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.

More for United States →

What to do

Follow the instructions issued by WMO Alert Hub (national weather services) and your local emergency services. The guidance below is background.

Flood preparation, evacuation decisions, and the dangers of driving or walking through floodwater.

Open Flood Safety Guide →

Earlier flood events in United States

Severe and extreme events of the same kind, before this one. Listed for scale, not because they are connected to it.

Nearby & related events

Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.