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

Event	Severe Thunderstorm Warning
Severity	Severe
Urgency	Immediate
Certainty	Observed
Area	Marathon, WI
Effective	9/4/2026, 5:07:00 PM CDT
Expires	9/4/2026, 6:00:00 PM CDT

Severe Thunderstorm Warning issued September 4 at 5:07PM CDT until September 4 at 6:00PM CDT by NWS Green Bay WI

SVRGRB

The National Weather Service in Green Bay has issued a

* Severe Thunderstorm Warning for…
Central Marathon County in central Wisconsin…

* Until 600 PM CDT.

* At 507 PM CDT, a severe thunderstorm was located 11 miles west of
Rib Mountain, or 13 miles west of Wausau, moving southeast at 15
mph.

HAZARD…60 mph wind gusts and small hail.

SOURCE…Radar indicated.

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

* This severe thunderstorm will be near…
Rib Mountain around 525 PM CDT.
Mosinee around 555 PM CDT.

Other locations impacted by the severe thunderstorm include Marathon
City, Edgar, Rib Falls, Fenwood, Halder and Big Eau Pleine County
Park.

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

Torrential rainfall is also 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.