Severe Flood ● Closed
Flood Watch issued September 18 at 6:11PM CDT until September 19 at 1:00PM CDT by NWS Milwaukee/Sullivan WI, United States of America
Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.
* WHAT...Flooding and flash flooding caused by excessive rainfall are
possible.
* WHERE...Portions of east central, south central, and southeast
Wisconsin, including the following counties, in east central
Wisconsin, Fond du Lac and Sheboygan. In south central Wisconsin,
Columbia, Dane, Green, Green Lake, Iowa, Lafayette, Marquette, Rock
and Sauk. In southeast Wisconsin, Dodge, Jefferson, Kenosha,
Milwaukee, Ozaukee, Racine, Walworth, Washington and Waukesha.
* WHEN...From 1 AM CDT Saturday through Saturday afternoon.
* IMPACTS...Excessive runoff may result in flooding and flash
flooding of rivers, creeks, streams, and other low-lying and
flood-prone locations.
* ADDITIONAL DETAILS...
- Widespread and prolonged showers and storms will bring rain
accumulations of 1-3 inches. Band of higher totals in the 3-6
inches range or more will be possible in areas where storms track
repeatedly.
- http://www.weather.gov/safety/flood
Measurements
| Coordinates | 39.9645, -100.8105 |
|---|---|
| Region | Marquette; Green Lake; Fond Du Lac; Sheboygan; Sauk; Columbia; Dodge; Washington; Ozaukee; Iowa; Dane; Jefferson; Waukesha; Milwaukee; Lafayette; Green; Ro |
| Location Precision | country |
| Issuing Authority | United States of America — us-noaa-nws-en |
| Cap Urgency | Future |
| Cap Certainty | Possible |
| Cap Expires | 2026-09-19T07:00:00-05:00 |
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 reportThis event as JSON · API and licence
Source updated 30 days ago (Sep 18, 2026 23:13 UTC) · we last heard from WMO Alert Hub (national weather services) 5 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: Marquette; Green Lake; Fond Du Lac; Sheboygan; Sauk; Columbia; Dodge; Washington; Ozaukee; Iowa; Dane; Jefferson; Waukesha; Milwaukee; Lafayette; Green; Ro
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.