Headline:
Flash Flood Warning issued April 17 at 7:01PM CDT until April 17 at 10:15PM CDT by NWS Milwaukee/Sullivan WI
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
April 17, 2026 - 5:01pm
Expires:
April 17, 2026 - 8:15pm
Description:
FFWMKX
The National Weather Service in Milwaukee/Sullivan has issued a
* Flash Flood Warning for...
Northeastern Rock County in south central Wisconsin...
Southeastern Jefferson County in southeastern Wisconsin...
Northwestern Walworth County in southeastern Wisconsin...
* Until 1015 PM CDT.
* At 701 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1.5 and 2.5 inches of
rain have fallen. Additional rainfall amounts of 0.5 to 1.5 inches
are possible in 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...
Whitewater, Palmyra, Lake Koshkonong, Richmond, La Grange, Hebron,
Millard and Lima Center.
Instruction:
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Area Description:
Jefferson, WI; Rock, WI; Walworth, WI
Forcast Office:
NWS Milwaukee/Sullivan WI