Illinois, Wisconsin Flood Warning | Effective 04/16/2026 09:52

Headline: 
Flood Warning issued April 16 at 11:52AM CDT until April 18 at 4:00AM CDT by NWS Milwaukee/Sullivan WI
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
April 16, 2026 - 9:52am
Expires: 
April 16, 2026 - 10:00pm
Description: 
...The Flood Warning is extended for the following river in Wisconsin...Illinois... Sugar River At Brodhead affecting Green, Winnebago and Rock Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Sugar River at Brodhead. * WHEN...Until early Saturday morning. * IMPACTS...At 6.0 feet, Some roads are flooded about 6 miles downstream in Avon Township of Rock County, including Beloit Newark Rd. In the Avon Bottoms area of Rock County, flooding is occurring in Sugar River Park. 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 11:00 AM CDT Thursday the stage was 6.1 feet. - Bankfull stage is 4.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 11:00 AM CDT Thursday was 6.1 feet. - Forecast...The river is expected to rise to a crest of 6.2 feet this evening. It will then fall below flood stage late tomorrow evening. - Flood stage is 5.0 feet. - Flood History...This crest compares to a previous crest of 6.2 feet on 03/12/1936. - http://www.weather.gov/safety/flood
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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 late tonight at midnight CDT.
Area Description: 
Winnebago, IL; Green, WI; Rock, WI
Forcast Office: 
NWS Milwaukee/Sullivan WI
Sender: 
w-nws.webmaster@noaa.gov