Active Weather Alerts
Flood Watch
Issued: 12:43 AM Apr. 16, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT UNTIL 7 AM CDT THURSDAY... * WHAT...Flooding caused by excessive rainfall on a saturated ground 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, Columbia, Dane, Green, Green Lake, Iowa, Lafayette, Marquette, Rock and Sauk. In southeast Wisconsin, Dodge, Jefferson, Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington and Waukesha. * WHEN...Until 7 AM CDT Thursday. * 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. * ADDITIONAL DETAILS... - Flooding and flash flooding is possible from thunderstorms with heavy rain on saturated ground - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. &&
Flash Flood Warning
Issued: 12:27 AM Apr. 16, 2026 – National Weather Service
The National Weather Service in Milwaukee/Sullivan has issued a * Flash Flood Warning for... Southeastern Dane County in south central Wisconsin... Green County in south central Wisconsin... Central Lafayette County in south central Wisconsin... Northern Rock County in south central Wisconsin... Jefferson County in southeastern Wisconsin... Northwestern Walworth County in southeastern Wisconsin... * Until 1030 PM CDT. * At 726 PM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Up to 0.75 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Eastern Madison, Janesville, Fitchburg, Whitewater, Stoughton, Fort Atkinson, Monroe, Verona, Oregon, Jefferson, McFarland, Monona, Lake Mills, Milton, Edgerton, Evansville, Marshall, Waterloo, Brodhead and Darlington. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && FLASH FLOOD...RADAR AND GAUGE INDICATED; EXPECTED RAINFALL RATE...0.75-1.5 INCHES IN 1 HOUR
River Flood Watch
Issued: 10:56 PM Apr. 15, 2026 – National Weather Service
...FLOOD WATCH NOW IN EFFECT FROM THURSDAY EVENING UNTIL FURTHER NOTICE... * WHAT...Flooding is possible. * WHERE...Rock River at Afton. * WHEN...From Thursday evening until further notice. * IMPACTS...At 11.1 feet, Floodwaters affect Riverside Park and a road in Riverside park on the north side of Janesville and South River Road on the south side of Janesville. Floodwaters affect low spots on South River Rd on the south side of Janesville. Floodwaters affect a home on South Christian Rd on the east side of the river in the Afton area. There is extensive lowland and agricultural land flooding in the Afton and Janesville areas. * ADDITIONAL DETAILS... - At 5:00 PM CDT Wednesday the stage was 8.1 feet. - Forecast...Flood stage may be reached tomorrow evening. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood && River forecasts are available for some but not all river gaging locations. The 7 day river forecast takes into account past precipitation, soil moisture conditions, and predicted precipitation for the basin. Precipitation is for the next 24 hours in the future from April through September and for 48 hours in the future from October through March. (Stages in ft.) Bank- Latest Forecast stages - Flood full observed ...for 7 pm... Location stage stage stage/time Thu Fri Sat Sun Afton 9.0 8.0 8.10 5 pm 4/15 9.0 9.5 10.1 10.6 - Highest 24 hour change - observed in river stage - stage in (ft.) up to Highest stage - the last latest observed forecast in - 7 days stage next 7 days Afton 8.2 6 am 4/15 0.46 11.00 7 am 4/22 &&
Local Radar