⚠️ Tornado Warning – Marathon, WI – Monday, July 20, 2026

Tornado Warning issued July 20 at 7:36PM CDT until July 20 at 8:15PM CDT by NWS Green Bay WI

Details

TORGRB

The National Weather Service in Green Bay has issued a

* Tornado Warning for…
Southwestern Marathon County in central Wisconsin…

* Until 815 PM CDT.

* At 736 PM CDT, a confirmed tornado was located 10 miles northeast
of Marshfield, or 25 miles southwest of Wausau, moving east at 20
mph.

HAZARD…Damaging tornado.

SOURCE…Law enforcement confirmed tornado.

IMPACT…Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows and vehicles will occur. Tree damage is
likely.

* This tornado will be near…
Mosinee around 810 PM CDT.

Other locations impacted by the tornado include Stratford, March
Rapids, Fenwood, Rozellville, Halder, Big Eau Pleine County Park and
Moon.

Instructions

Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.

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