⚠️ Severe Thunderstorm Warning – Milwaukee, WI; Waukesha, WI – Sunday, August 9, 2026

Severe Thunderstorm Warning issued August 9 at 11:10AM CDT until August 9 at 12:00PM CDT by NWS Milwaukee/Sullivan WI

Details

SVRMKX

The National Weather Service in Milwaukee/Sullivan has issued a

* Severe Thunderstorm Warning for…
Milwaukee County in southeastern Wisconsin…
Eastern Waukesha County in southeastern Wisconsin…

* Until noon CDT.

* At 1110 AM CDT, a severe thunderstorm was located over Waukesha,
moving east at 35 mph.

HAZARD…60 mph wind gusts and penny size hail.

SOURCE…Radar indicated.

IMPACT…Expect damage to roofs, siding, and trees.

* Locations impacted include…
Milwaukee, Waukesha, West Allis, Wauwatosa, New Berlin, Brookfield,
Greenfield, Menomonee Falls, Oak Creek, Muskego, South Milwaukee,
Cudahy, Whitefish Bay, Greendale, Pewaukee, Brown Deer, Sussex, St.
Francis, Hales Corners, and Mukwonago.

People attending The Greenfield Farmers Market , and The Riverwest
Farmers Market should seek safe shelter immediately!

Other landmarks included are the following Locations Schlitz Audobon
Nature Center, Boerner Botanical Gardens, General Mitchell
International Airport, Timmerman Airport, Froedert & the Medical
College, Fiserv Forum, and Pewaukee Lake.

Instructions

For your protection move to an interior room on the lowest floor of a
building.

Large hail, damaging wind, and continuous cloud to ground lightning
are occurring with this storm. Move indoors immediately. Lightning is
one of nature’s leading killers. Remember, if you can hear thunder,
you are close enough to be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.