Active Weather Alerts
River Flood Warning
Issued: 10:02 AM Apr. 19, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Minor flooding is occurring and major flooding is forecast. * WHERE...Rock River at Afton. * WHEN...Until further notice. * IMPACTS...At 12.2 feet, There is widespread flooding in the Afton and Janesville areas. Numerous roads and streets adjacent to the river are closed including South River Road on the south side of Janesville, several blocks of Joseph and Charles Streets, a portion of Main Street, and North Loop Road at Traxler Park. The on-ramp to Memorial Drive is closed as is a portion of Riverside Drive. Traxler Park off of Memorial Drive in Janesville is flooded and closed. * ADDITIONAL DETAILS... - At 3:00 AM CDT Sunday the stage was 10.6 feet. - Bankfull stage is 8.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 3:00 AM CDT Sunday was 11.7 feet. - Forecast...The river is expected to rise to 12.2 feet early Saturday afternoon. Additional rises are possible thereafter. - Flood stage is 9.0 feet. - Flood History...This crest compares to a previous crest of 12.2 feet on 01/23/2008. - 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 am... Location stage stage stage/time Mon Tue Wed Thu Afton 9.0 8.0 10.58 3 am 4/19 10.9 11.2 11.6 11.9 - 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 12.11 1 am 4/18 -1.10 12.20 7 pm 4/25 &&
River Flood Warning
Issued: 10:02 AM Apr. 19, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL TOMORROW AFTERNOON... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Sugar River at Brodhead. * WHEN...Until tomorrow afternoon. * IMPACTS...At 6.5 feet, There is widespread flooding of lowland and agricultural land. Downstream in the Avon Bottoms area of Rock County, there is flooding in Sugar River Park. Some roads are flooded in Avon Township, including Beloit Newark Rd, about 6 miles downstream of Brodhead. In Illinois, Winslow Rd is threatened near the river between Durand and Shirland. Low lying areas of Sugar Shores Camping Resort may be inundated. * ADDITIONAL DETAILS... - At 4:00 AM CDT Sunday the stage was 6.7 feet. - Bankfull stage is 4.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 4:00 AM CDT Sunday was 8.3 feet. - Forecast...The river is expected to fall below flood stage late tomorrow morning and continue falling to 2.1 feet Saturday evening. - Flood stage is 5.0 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 am... Location stage stage stage/time Mon Tue Wed Thu Brodhead 5.0 4.5 6.73 4 am 4/19 5.2 3.8 3.0 2.5 - 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 Brodhead 8.26 6 am 4/18 -1.15 7.00 1 am 4/19 &&
Freeze Warning
Issued: 6:53 AM Apr. 19, 2026 – National Weather Service
...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT /10 AM EDT/ THIS MORNING... ...FREEZE WARNING IN EFFECT FROM MIDNIGHT CDT /1 AM EDT/ TONIGHT TO 9 AM CDT /10 AM EDT/ MONDAY... * WHAT...For the Frost Advisory, temperatures as low as 32 will result in frost formation. For the Freeze Warning, sub-freezing temperatures as low as 27 expected, with the coldest conditions across interior northern Illinois. * WHERE...Portions of central, east central, north central, and northeast Illinois and northwest Indiana. * WHEN...For the Frost Advisory, until 9 AM CDT /10 AM EDT/ this morning. For the Freeze Warning, from midnight CDT /1 AM EDT/ tonight to 9 AM CDT /10 AM EDT/ Monday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. &&
Frost Advisory
Issued: 6:53 AM Apr. 19, 2026 – National Weather Service
...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT /10 AM EDT/ THIS MORNING... ...FREEZE WARNING IN EFFECT FROM MIDNIGHT CDT /1 AM EDT/ TONIGHT TO 9 AM CDT /10 AM EDT/ MONDAY... * WHAT...For the Frost Advisory, temperatures as low as 32 will result in frost formation. For the Freeze Warning, sub-freezing temperatures as low as 27 expected, with the coldest conditions across interior northern Illinois. * WHERE...Portions of central, east central, north central, and northeast Illinois and northwest Indiana. * WHEN...For the Frost Advisory, until 9 AM CDT /10 AM EDT/ this morning. For the Freeze Warning, from midnight CDT /1 AM EDT/ tonight to 9 AM CDT /10 AM EDT/ Monday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. &&
River Flood Watch
Issued: 1:11 AM Apr. 19, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT FROM MONDAY MORNING TO WEDNESDAY EVENING... * WHAT...Flooding is possible. * WHERE...Rock River from Shorewood Park in Loves Park downstream to confluence with Kishwaukee River, including the Rockford (Auburn Street) gauge. * WHEN...From Monday morning to Wednesday evening. * IMPACTS...At 5.5 feet, Low-lying sections of the Rock River Recreation Trail are threatened in Rockford. Riverview Mobile Home Park is threatened in Rockford. * ADDITIONAL DETAILS... - At 7:45 PM CDT Saturday the stage was 5.5 feet. - Forecast...Flood stage may be reached tomorrow evening. - Flood stage is 6.0 feet. - http://www.weather.gov/safety/flood &&
River Flood Warning
Issued: 1:09 AM Apr. 19, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Moderate flooding is occurring and forecasted to continue. * WHERE...Rock River from Prairie Hill Road downstream to Swanson Road in Roscoe, including the Rockton gauge. * WHEN...Until further notice. * IMPACTS...At 13.5 feet, Old River Road threatened west of Roscoe Bridge. * ADDITIONAL DETAILS... - At 7:30 PM CDT Saturday the stage was 12.6 feet. - Forecast...The river is expected to rise to a crest of 13.1 feet tomorrow evening and remain in Moderate Flood Stage until further notice. - Flood stage is 10.0 feet. - http://www.weather.gov/safety/flood &&
River Flood Warning
Issued: 1:09 AM Apr. 19, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Moderate 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 further notice. * IMPACTS...At 12.5 feet, Residences threatened along Harbor Oaks Drive north of Machesney Park. Numerous residences are threatened near the river and Shore Drive. Low-lying sections of Rockford Country Club are inundated. * ADDITIONAL DETAILS... - At 7:30 PM CDT Saturday the stage was 11.7 feet. - Forecast...The river is expected to rise to a crest of 12.4 feet tomorrow evening and remain in Moderate Flood Stage until further notice. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood &&
River Flood Warning
Issued: 12:59 AM Apr. 19, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Minor flooding is occurring and moderate flooding is forecasted to occur. * WHERE...Pecatonica River from Winnebago County line downstream to confluence with the Rock River, including the Shirland gauge. * WHEN...Until further notice. * IMPACTS...At 14.0 feet, Structures threatened at Rivers Edge Campground east of Shirland. * ADDITIONAL DETAILS... - At 7:00 PM CDT Saturday the stage was 13.2 feet. - Forecast...The river is expected to rise to a crest near 14.0 feet (Moderate Stage) early Monday morning. It is expected to slowly fall thereafter through next week. - Flood stage is 12.0 feet. - http://www.weather.gov/safety/flood &&
River Flood Warning
Issued: 12:57 AM Apr. 19, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL EARLY TUESDAY AFTERNOON... * WHAT...Minor flooding is occurring and expected to continue. * WHERE...Kishwaukee River from Confluence with South Branch Kishwaukee River downstream to the Rock River, including the Perryville gauge. * WHEN...Until early Tuesday afternoon. * IMPACTS...At 13.0 feet, Roadways threatened at Blackhawk Valley Campground south of Rockford. * ADDITIONAL DETAILS... - At 7:30 PM CDT Saturday the stage was 13.6 feet. - Forecast...The river is expected to rise to a crest near 14.0 feet tomorrow morning, and then fall below flood stage at some point Tuesday. - Flood stage is 12.0 feet. - http://www.weather.gov/safety/flood &&
River Flood Warning
Issued: 12:57 AM Apr. 19, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL LATE MONDAY EVENING... * WHAT...Minor flooding is occurring and moderate flooding is forecasted to occur. * WHERE...Kishwaukee River from County Line Road downstream to confluence with South Branch Kishwaukee River, including the Belvidere gauge. * WHEN...Until late Monday evening. * IMPACTS...At 10.0 feet, Trails in Spencer Park threatened. Parking lots threatened in Belvidere Park. * ADDITIONAL DETAILS... - At 7:30 PM CDT Saturday the stage was 9.8 feet. - Forecast...The river is expected to rise to a crest near 10.0 feet (Moderate Stage) tomorrow morning. It is then expected to fall below flood stage at some point on Monday. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood &&
Local Radar