WGUS63 KMKX 172215 FFAMKX Flood Watch National Weather Service Milwaukee/Sullivan WI 515 PM CDT Fri Apr 17 2026 WIZ056-057-180615- /O.CON.KMKX.FF.A.0001.000000T0000Z-260419T1200Z/ /00000.0.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/ /O.CON.KMKX.FA.A.0004.000000T0000Z-260418T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Sauk-Columbia- Including the cities of Portage, Sauk City, Columbus, Reedsburg, Baraboo, Prairie Du Sac, Lodi, and Lake Wisconsin 515 PM CDT Fri Apr 17 2026 ...FLASH FLOOD WATCH FOR THE POTENTIAL COMPROMISE OF THE CALEDONIA-LEWISTON LEVEE ON THE WISCONSIN RIVER REMAINS 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. An additional 0.50 to 1.25 inches of rain is expected, with locally higher amounts to 2.00 inches possible. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && ...FLOOD WATCH REMAINS IN EFFECT THROUGH SATURDAY MORNING... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of south central Wisconsin, including the following counties, Columbia and Sauk. * WHEN...Through Saturday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Extensive street flooding and flooding of creeks and rivers are possible. Area creeks and streams are running high and could flood with more heavy rain. * ADDITIONAL DETAILS... - Flash flooding caused by excessive rainfall on a saturated is possible. An additional 0.50 to 1.25 inches of rain is expected, with locally higher amounts to 2.00 inches possible. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ WIZ046-047-051-052-058>060-062>072-180615- /O.CON.KMKX.FA.A.0004.000000T0000Z-260418T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Marquette-Green Lake-Fond du Lac-Sheboygan-Dodge-Washington- Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-Lafayette-Green- Rock-Walworth-Racine-Kenosha- Including the cities of Blanchardville, Kenosha, Fort Atkinson, Montello, Jefferson, Hartford, Argyle, Brodhead, Westfield, Grafton, Markesan, Lake Geneva, Waupun, Beaver Dam, Barneveld, Cedarburg, Berlin, Janesville, Menomonee Falls, Delavan, Howards Grove, Watertown, Endeavor, West Bend, Whitewater, Shullsburg, Neshkoro, Beloit, Oxford, Racine, Benton, Brookfield, Mequon, Princeton, Darlington, Sheboygan Falls, Dodgeville, Mayville, Milwaukee, Belmont, Muskego, East Troy, Germantown, Oostburg, New Berlin, Fond Du Lac, Madison, Mineral Point, Elkhorn, Plymouth, Waukesha, and Monroe 515 PM CDT Fri Apr 17 2026 ...FLOOD WATCH REMAINS IN EFFECT THROUGH SATURDAY MORNING... * WHAT...Flash flooding caused by excessive rainfall continues to be 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, Dane, Green, Green Lake, Iowa, Lafayette, Marquette and Rock. In southeast Wisconsin, Dodge, Jefferson, Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington and Waukesha. * WHEN...Through Saturday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Extensive street flooding and flooding of creeks and rivers are possible. Area creeks and streams are running high and could flood with more heavy rain. * ADDITIONAL DETAILS... - Flash flooding caused by excessive rainfall on a saturated is possible. An additional 0.50 to 1.25 inches of rain is expected, with locally higher amounts to 2.00 inches possible. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ DDV