Headline:
Flash Flood Warning issued April 17 at 7:43PM CDT until April 17 at 10:45PM CDT by NWS Milwaukee/Sullivan WI
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
April 17, 2026 - 5:43pm
Expires:
April 17, 2026 - 8:45pm
Description:
FFWMKX
The National Weather Service in Milwaukee/Sullivan has issued a
* Flash Flood Warning for...
Southeastern Jefferson County in southeastern Wisconsin...
Milwaukee County in southeastern Wisconsin...
Northwestern Racine County in southeastern Wisconsin...
Northeastern Walworth County in southeastern Wisconsin...
Waukesha County in southeastern Wisconsin...
* Until 1045 PM CDT.
* At 743 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Flash flooding is ongoing or
expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Milwaukee, Waukesha, West Allis, Wauwatosa, New Berlin,
Brookfield, Greenfield, Menomonee Falls, Oak Creek, Muskego, South
Milwaukee, Cudahy, Whitefish Bay, Greendale, Pewaukee, Elkhorn,
St. Francis, Hales Corners, Mukwonago and Delafield.
Instruction:
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Area Description:
Jefferson, WI; Milwaukee, WI; Racine, WI; Walworth, WI; Waukesha, WI
Forcast Office:
NWS Milwaukee/Sullivan WI