⚠️ Severe Thunderstorm Warning – Marathon, WI; Portage, WI; Wood, WI – Friday, September 4, 2026

Severe Thunderstorm Warning issued September 4 at 5:48PM CDT until September 4 at 6:45PM CDT by NWS Green Bay WI

Details

SVRGRB

The National Weather Service in Green Bay has issued a

* Severe Thunderstorm Warning for…
Southwestern Marathon County in central Wisconsin…
Northwestern Portage County in central Wisconsin…
Northeastern Wood County in central Wisconsin…

* Until 645 PM CDT.

* At 548 PM CDT, a severe thunderstorm was located 11 miles west of
Mosinee, or 20 miles southwest of Wausau, moving southeast at 20
mph.

HAZARD…60 mph wind gusts and quarter size hail.

SOURCE…Radar indicated.

IMPACT…Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.

* Other locations impacted by the severe thunderstorm include Halder,
Rozellville, Big Eau Pleine County Park, Moon, Dancy, Blenker,
Milladore, Sherry and Junction City.

Instructions

Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.

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