⚠️ Severe Thunderstorm Warning – Winona, MN; Buffalo, WI; La Crosse, WI; Trempealeau, WI – Tuesday, August 18, 2026

Severe Thunderstorm Warning issued August 18 at 2:36PM CDT until August 18 at 3:15PM CDT by NWS La Crosse WI

Details

SVRARX

The National Weather Service in La Crosse has issued a

* Severe Thunderstorm Warning for…
Eastern Winona County in southeastern Minnesota…
Southeastern Buffalo County in west central Wisconsin…
Northern La Crosse County in west central Wisconsin…
Southern Trempealeau County in west central Wisconsin…

* Until 315 PM CDT.

* At 236 PM CDT, severe thunderstorms were located along a line
extending from near Galesville to Stockton, moving southeast at 25
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.

* Severe thunderstorms will be near…
Winona, Trempealeau, and Galesville around 240 PM CDT.
Holmen and Brice Prairie around 255 PM CDT.
Dakota around 300 PM CDT.

Other locations impacted by these severe thunderstorms include North
Side Of La Crosse, Lock And Dam 5 A, Camp Decorah, Dodge, Perrot
State Park, Stevenstown, and Ridgeway.

This includes the following highways…
Interstate 90 in Minnesota between mile markers 249 and 276.
Interstate 90 in Wisconsin between mile markers 1 and 6.

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.