Severe · Flood WatchActive alert

Flood Watch issued September 18 at 1:37PM CDT until September 19 at

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

In effect until: Sep 19, 2026, 2:45 AM

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

Possible impact zone; conditions develop through 2:45 AM.

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.

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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 1 AM CDT Saturday 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. Storm drains
and ditches may become clogged with debris.

* 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

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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™

Flood Watch issued September 18 at 1:37PM CDT until September 19 at

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