< Wisconsin Flood Watch | Effective 04/16/2026 13:11

Wisconsin Flood Watch | Effective 04/16/2026 13:11

Headline: 
Flood Watch issued April 16 at 3:11PM CDT until April 18 at 7:00AM CDT by NWS Milwaukee/Sullivan WI
Event: 
Flood Watch
Urgency: 
Future
Effective: 
April 16, 2026 - 1:11pm
Expires: 
April 16, 2026 - 9:15pm
Description: 
FLASH FLOOD WATCH FOR THE POTENTIAL COMPROMISE OF THE CALEDONIA-LEWISTON LEVEE ON THE WISCONSIN RIVER IN EFFECT THROUGH SUNDAY MORNING * WHAT...Flash flooding due to the potential compromise of the Caledonia-Lewiston Levee. The Wisconsin Department of Natural Resources has indicated that the Calendonia-Lewiston Levee along the Wisconsin River may become compromised as the river levels rise. If this takes place, a rapid inundation of water is expected along the south and west side of the river. The City of Portage is not anticipated to be impacted by a potential compromise of the Caledonia-Lewiston Levee. * WHERE...A portion of south central Wisconsin, including the following counties, Columbia and Sauk along the south and west side of the Wisconsin River. Areas affected include, but are not limited to the Pine Island State Wildlife Area and portions of Highway 33. The City of Portage is not anticipated to be impacted by a potential compromise of the Caledonia-Lewiston Levee. * WHEN...Through Sunday morning. * IMPACTS...A compromised levee may result in flash flooding of low-lying areas along the Caledonia-Lewiston Levee. * ADDITIONAL DETAILS... - Excessive rainfall has resulted in very high water level on the Wisconsin River. - http://www.weather.gov/safety/flood
Instruction: 
PLAN NOW so you will know what to do in an emergency. Keep informed by listening to local radio and television for statements and possible warnings. Follow the advice of public safety officials. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Area Description: 
Sauk; Columbia
Forcast Office: 
NWS Milwaukee/Sullivan WI