⚠️ Severe Thunderstorm Warning – Waukesha, WI – Wednesday, June 17, 2026

Severe Thunderstorm Warning issued June 17 at 7:49PM CDT until June 17 at 8:45PM CDT by NWS Milwaukee/Sullivan WI

Details

SVRMKX

The National Weather Service in Milwaukee/Sullivan has issued a

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

* Until 845 PM CDT.

* At 749 PM CDT, severe thunderstorms were located along a line
extending from near Lac La Belle to near Palmyra to Whitewater,
moving east at 45 mph.

HAZARD…60 mph wind gusts.

SOURCE…Radar indicated.

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

* Locations impacted include…
Waukesha, New Berlin, Brookfield, Menomonee Falls, Muskego,
Pewaukee, Sussex, Hartland, Mukwonago, Delafield, Elm Grove, Wales,
Okauchee Lake, Wind Lake, Oconomowoc, Lisbon, Vernon, Ottawa,
Merton, and Dousman.

Other landmarks included are the following Locations Pewaukee Lake,
Ottawa Lake Recreation Area, and Pinewoods Campground.

Instructions

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

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

A Tornado Watch remains in effect until 900 PM CDT for southeastern
Wisconsin.

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