Wisconsin Severe Flood Watch | Effective 09/18/2026 08:25

Headline: 
Flood Watch issued September 18 at 10:25AM CDT until September 19 at 1:00PM CDT by NWS Milwaukee/Sullivan WI
Event: 
Flood Watch
Urgency: 
Future
Effective: 
September 18, 2026 - 8:25am
Expires: 
September 18, 2026 - 4:30pm
Description: 
* 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
Instruction: 
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.
Area Description: 
Sauk; Columbia; Iowa; Dane; Lafayette; Green; Rock
Forcast Office: 
NWS Milwaukee/Sullivan WI
Sender: 
w-nws.webmaster@noaa.gov