⚠️ Severe Thunderstorm Warning – Jefferson, WI – Monday, July 27, 2026

Severe Thunderstorm Warning issued July 27 at 2:34PM CDT until July 27 at 3:15PM CDT by NWS Milwaukee/Sullivan WI

Details

SVRMKX

The National Weather Service in Milwaukee/Sullivan has issued a

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

* Until 315 PM CDT.

* At 234 PM CDT, a severe thunderstorm was located near Lac La Belle,
or near Watertown, moving south at 40 mph.

HAZARD…Tennis ball size hail and 70 mph wind gusts.

SOURCE…Radar indicated.

IMPACT…People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.

* Locations impacted include…
Watertown, Whitewater, Fort Atkinson, Jefferson, Johnson Creek,
Palmyra, Ixonia, Rome, Hebron, Sullivan, Pipersville, Helenville,
Nws Milwaukee/sullivan, and Lake Lac La Belle.

Instructions

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

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