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Severe · Flood WatchActive alert

Flood Watch issued September 18 at 10:25AM CDT until September 19 at

Affecting Sauk; Columbia; Iowa; Dane; Lafayette; Green; Rock

In effect until: Sep 18, 2026, 11:30 PM

Sauk; Columbia; Iowa; Dane; Lafayette; Green; Rock

Possible impact zone; conditions develop through 11:30 PM.

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.

Read the original bulletin (official text)
* WHAT...Flooding and flash flooding caused by excessive rainfall are
possible.

* WHERE...A portion of south central Wisconsin, including the
following counties, Columbia, Dane, Green, Iowa, Lafayette, Rock
and Sauk.

* WHEN...From late tonight through Saturday afternoon.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.

* ADDITIONAL DETAILS...
- Widespread and prolonged showers and storms will bring rain
accumulations of 1-3 inches. Band of higher totals in the 3-5
inch range or more will be possible in areas where storms track
repeatedly.
- http://www.weather.gov/safety/flood
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™