Wisconsin Minor Flood Advisory | Effective 09/19/2026 00:40

Headline: 
Flood Advisory issued September 19 at 2:40AM CDT until September 19 at 4:00AM CDT by NWS Milwaukee/Sullivan WI
Event: 
Flood Advisory
Urgency: 
Expected
Effective: 
September 19, 2026 - 12:40am
Expires: 
September 19, 2026 - 2:00am
Description: 
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Southern Milwaukee County in southeastern Wisconsin... Southeastern Waukesha County in southeastern Wisconsin... * WHEN...Until 400 AM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 239 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 0.5 and 1 inch of rain has fallen. - Additional rainfall amounts of 0.5 to 1.5 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Milwaukee, Waukesha, West Allis, New Berlin, Greenfield, Oak Creek, Muskego, South Milwaukee, Cudahy, Greendale, St. Francis, Hales Corners, Mukwonago, Franklin, Vernon and Big Bend. - http://www.weather.gov/safety/flood
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.
Area Description: 
Milwaukee, WI; Waukesha, WI
Forcast Office: 
NWS Milwaukee/Sullivan WI
Sender: 
w-nws.webmaster@noaa.gov