Active Weather Alerts
River Flood Warning
Issued: 3:21 PM Apr. 27, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL EARLY THURSDAY MORNING... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Rock River at Jefferson. * WHEN...Until early Thursday morning. * IMPACTS...At 11.0 feet, Floodwaters affect low lying areas of residential and business property in Jefferson. Water approaches the intersection of Highway 26 (Main St) and County Road N (E Dane St). S Center Ave near the river flooded and Riverview Drive near the wastewater plant flooded. Park is flooded. The retention pond at S Main St and E Dane St is full. * ADDITIONAL DETAILS... - At 10:00 AM CDT Monday the stage was 10.8 feet. - Bankfull stage is 8.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 AM CDT Monday was 11.0 feet. - Forecast...The river is expected to fall below flood stage Wednesday evening and continue falling to 8.2 feet Monday, May 04. - Flood stage is 10.0 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 1 pm... Location stage stage stage/time Tue Wed Thu Fri Jefferson 10.0 8.0 10.75 10 am 4/27 10.4 10.1 9.7 9.4 - 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 Jefferson 11.68 12 pm 4/20 -0.20 10.70 1 pm 4/27 &&
River Flood Warning
Issued: 3:21 PM Apr. 27, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL JUST AFTER MIDNIGHT TONIGHT... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Crawfish River at Milford. * WHEN...Until just after midnight tonight. * IMPACTS...At 7.0 feet, There is widespread flooding of lowland and agricultural land. There is widespread flooding of roads in Riverbend Campground about 5 miles upstream of Milford. * ADDITIONAL DETAILS... - At 10:00 AM CDT Monday the stage was 7.0 feet. - Bankfull stage is 5.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 AM CDT Monday was 7.3 feet. - Forecast...The river is expected to fall below flood stage this afternoon and continue falling to 4.5 feet Monday, May 04. - Flood stage is 7.0 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 1 pm... Location stage stage stage/time Tue Wed Thu Fri Milford 7.0 5.0 7.03 10 am 4/27 6.6 6.2 5.9 5.5 - 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 Milford 8.22 1 pm 4/20 -0.23 7.00 1 pm 4/27 &&
River Flood Warning
Issued: 3:21 PM Apr. 27, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL SATURDAY MORNING... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Rock River at Fort Atkinson. * WHEN...Until Saturday morning. * IMPACTS...At 17.0 feet, Floodwaters are in the back yards of some homes on Rogers Street on the northeast side of Fort Atkinson and water surrounds a few homes and businesses at the end of Vets Lane near the intersection of Hwy 106 and Blackhawk Island Rd. These roads are flooded in the Fort Atkinson area: Sinissippi Drive, Vets Ln, Fox Hill Rd, Bark River Road from Kutz Road to Rock River Road, Rock River Rd from Milwaukee Ave E to Hwy 106, North Shore Rd, Ralph Rd. The river walkway in Fort Atkinson becomes flooded. * ADDITIONAL DETAILS... - At 9:00 AM CDT Monday the stage was 16.9 feet. - Bankfull stage is 14.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 AM CDT Monday was 17.1 feet. - Forecast...The river is expected to fall below flood stage early Saturday morning and continue falling to 15.2 feet Monday, May 04. - Flood stage is 16.0 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 1 pm... Location stage stage stage/time Tue Wed Thu Fri Fort Atkinson 16.0 14.5 16.93 9 am 4/27 16.7 16.6 16.5 16.1 - 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 Fort Atkinson 17.41 3 pm 4/20 -0.13 16.90 1 pm 4/27 &&
River Flood Warning
Issued: 3:21 PM Apr. 27, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL MONDAY, MAY 04... * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Rock River near Lake Koshkonong. * WHEN...Until Monday, May 04. * IMPACTS...At 11.3 feet, There is knee-deep water over Blackhawk Island Road. Lamp Road on west side of river also becomes flooded. Lake Koshkonong merges with Mud Lake to the east of Lake Koshkonong. * ADDITIONAL DETAILS... - At 10:00 AM CDT Monday the stage was 11.2 feet. - Bankfull stage is 9.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 AM CDT Monday was 11.3 feet. - Forecast...The river is expected to rise to a crest of 11.2 feet this afternoon. It will then fall below flood stage Sunday evening. - Flood stage is 10.0 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 1 pm... Location stage stage stage/time Tue Wed Thu Fri Lake Koshkonong 10.0 9.0 11.19 10 am 4/27 11.0 10.9 10.7 10.5 - 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 Lake Koshkonong 11.42 3 pm 4/24 -0.11 11.20 7 pm 4/27 &&
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