Illinois, Wisconsin Flood Warning | Effective 05/06/2026 01:04

Headline: 
Flood Warning issued May 6 at 3:04AM CDT until May 7 at 1:00PM CDT by NWS Milwaukee/Sullivan WI
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
May 6, 2026 - 1:04am
Expires: 
May 6, 2026 - 1:15pm
Description: 
...The Flood Warning continues for the following rivers in Illinois...Wisconsin... Rock River At Afton affecting Winnebago and Rock Counties. ...The Flood Warning is cancelled for the following rivers in Wisconsin... ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Rock River at Afton. * WHEN...Until early tomorrow afternoon. * IMPACTS...At 9.0 feet, Floodwaters affect property of a home on South Christian Road on the east side of the river in the Afton area. There is minor erosional flood damage to lowland and agricultural land in the Afton and Janesville areas. * ADDITIONAL DETAILS... - At 2:00 AM CDT Wednesday the stage was 9.2 feet. - Bankfull stage is 8.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 2:00 AM CDT Wednesday was 9.3 feet. - Forecast...The river is expected to rise to a crest of 9.2 feet this morning. It will then fall below flood stage tomorrow morning. - Flood stage is 9.0 feet. - Flood History...This crest compares to a previous crest of 9.2 feet on 03/14/1944. - http://www.weather.gov/safety/flood
Instruction: 
Caution is urged when walking near riverbanks. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov. The next statement will be issued early this morning at 415 AM CDT.
Area Description: 
Winnebago, IL; Rock, WI
Forcast Office: 
NWS Milwaukee/Sullivan WI
Sender: 
w-nws.webmaster@noaa.gov