Wisconsin Minor Flood Advisory | Effective 08/18/2026 15:07

Headline: 
Flood Advisory issued August 18 at 5:07PM CDT until August 18 at 8:00PM CDT by NWS Milwaukee/Sullivan WI
Event: 
Flood Advisory
Urgency: 
Expected
Effective: 
August 18, 2026 - 3:07pm
Expires: 
August 18, 2026 - 6:00pm
Description: 
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Southern Green Lake County in south central Wisconsin... Southern Marquette County in south central Wisconsin... * WHEN...Until 800 PM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 507 PM CDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 1.5 inches of rain have fallen. - Additional rainfall amounts of 0.5 to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Montello, Markesan, Packwaukee, Manchester, Mecan, Oxford, Endeavor, Kingston, Marquette, Dalton, Glen Oak and Briggsville. - http://www.weather.gov/safety/flood
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Area Description: 
Green Lake, WI; Marquette, WI
Forcast Office: 
NWS Milwaukee/Sullivan WI
Sender: 
w-nws.webmaster@noaa.gov