Wisconsin Severe Flood Warning | Effective 09/19/2026 19:35

Headline: 
Flood Warning issued September 19 at 9:35PM CDT until September 21 at 9:00PM CDT by NWS Milwaukee/Sullivan WI
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
September 19, 2026 - 7:35pm
Expires: 
September 20, 2026 - 7:45am
Description: 
...The Flood Warning continues for the following rivers in Wisconsin... East Branch Pecatonica River Near Blanchardville affecting Lafayette County. * WHAT...Minor flooding is forecast. * WHERE...East Branch Pecatonica River near Blanchardville. * WHEN...Until Monday evening. * IMPACTS...At 11.0 feet, Floodwaters cover a portion of Highway H and floodwaters are into McKellar Park in Blanchardville. * ADDITIONAL DETAILS... - At 9:00 PM CDT Saturday the stage was 10.1 feet. - Bankfull stage is 9.0 feet. - Forecast...The river is expected to rise above flood stage late tonight to a crest of 11.4 feet tomorrow morning. It will then fall below flood stage early tomorrow afternoon. - Flood stage is 11.0 feet. - Flood History...This crest compares to a previous crest of 11.4 feet on 04/12/2008. - http://www.weather.gov/safety/flood
Instruction: 
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 Sunday morning at 945 AM CDT.
Area Description: 
Lafayette, WI
Forcast Office: 
NWS Milwaukee/Sullivan WI
Sender: 
w-nws.webmaster@noaa.gov