⚠️ Severe Thunderstorm Warning – Columbia, WI; Green Lake, WI; Marquette, WI; Sauk, WI – Sunday, August 9, 2026

Severe Thunderstorm Warning issued August 9 at 9:00AM CDT until August 9 at 9:45AM CDT by NWS Milwaukee/Sullivan WI

Details

SVRMKX

The National Weather Service in Milwaukee/Sullivan has issued a

* Severe Thunderstorm Warning for…
Southwestern Green Lake County in south central Wisconsin…
Central Columbia County in south central Wisconsin…
Marquette County in south central Wisconsin…
Northeastern Sauk County in south central Wisconsin…

* Until 945 AM CDT.

* At 859 AM CDT, a severe thunderstorm was located 8 miles northeast
of Wisconsin Dells, moving southeast at 35 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.

* Locations impacted include…
Baraboo, Portage, Reedsburg, Wisconsin Dells, Lake Wisconsin, Lake
Delton, Poynette, Pardeeville, Montello, West Baraboo, Westfield,
Princeton, Lawrence, Packwaukee, Arlington, Wyocena, North Freedom,
Mecan, Oxford, and Endeavor.

Other landmarks included are the following Locations Mirror Lake
State Park, Pine Island State Wildlife Area, Kilbourn Dam, Historic
Indian Agency House, French Creek Wildlife Area, Alliant Energy
Portage Power Plant, and Puckaway Lake.

Instructions

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

Large hail, damaging wind, and continuous cloud to ground lightning
are occurring with this storm. Move indoors immediately. Lightning is
one of nature’s leading killers. Remember, if you can hear thunder,
you are close enough to be struck by lightning.

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