Active Weather Alerts
River Flood Warning
Issued: 5:44 AM Apr. 30, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL LATE THIS MORNING... * WHAT...Minor flooding is occurring and forecasted to continue. * WHERE...Rock River from Swanson Road in Roscoe downstream to Shorewood Park in Loves Park, including the Latham Park gauge. * WHEN...Until late this morning. * IMPACTS...At 9.0 feet, Boathouses threatened along the river in Machesney Park. * ADDITIONAL DETAILS... - At 12:30 AM CDT Thursday the stage was 9.0 feet. - Forecast...The river is expected to gradually fall through the day. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood &&
River Flood Warning
Issued: 2:14 AM Apr. 30, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Rock River at Afton. * WHEN...Until further notice. * IMPACTS...At 10.5 feet, Floodwaters affect 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 8:00 PM CDT Wednesday the stage was 10.4 feet. - Bankfull stage is 8.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Wednesday was 10.4 feet. - Forecast...The river is expected to fall to 9.0 feet Wednesday, May 06. - Flood stage is 9.0 feet. - Flood History...This crest compares to a previous crest of 10.4 feet on 03/29/1952. - 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 10.35 8 pm 4/29 10.2 10.1 9.9 9.7 - 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 10.76 6 pm 4/25 -0.03 10.30 1 pm 4/30 &&
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