⚠️ Severe Thunderstorm Warning – Fond du Lac, WI; Green Lake, WI; Marquette, WI – Friday, September 4, 2026

Severe Thunderstorm Warning issued September 4 at 1:40AM CDT until September 4 at 3:00AM CDT by NWS Milwaukee/Sullivan WI

Details

SVRMKX

The National Weather Service in Milwaukee/Sullivan has issued a

* Severe Thunderstorm Warning for…
Fond du Lac County in east central Wisconsin…
Green Lake County in south central Wisconsin…
Northeastern Marquette County in south central Wisconsin…

* Until 300 AM CDT.

* At 140 AM CDT, a severe thunderstorm was located near Lake Poygan,
or 11 miles north of Berlin, moving southeast at 30 mph.

HAZARD…70 mph wind gusts and quarter size hail.

SOURCE…Radar indicated.

IMPACT…Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.

* Locations impacted include…
Fond Du Lac, Waupun, Ripon, Berlin, North Fond Du Lac, Markesan,
Princeton, Oakfield, Rosendale, Green Lake, Brandon, Southern Lake
Winnebago, Taycheedah, Lamartine, Byron, Eldorado, Alto,
Manchester, Eden, and Mount Calvary.

Other landmarks included are the following Location Puckaway Lake.

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.