⚠️ Severe Thunderstorm Warning – Fillmore, MN; Olmsted, MN; Winona, MN – Tuesday, August 18, 2026

Severe Thunderstorm Warning issued August 18 at 2:47PM CDT until August 18 at 3:30PM CDT by NWS La Crosse WI

Details

SVRARX

The National Weather Service in La Crosse has issued a

* Severe Thunderstorm Warning for…
Southwestern Winona County in southeastern Minnesota…
Southeastern Olmsted County in southeastern Minnesota…
Northeastern Fillmore County in southeastern Minnesota…

* Until 330 PM CDT.

* At 247 PM CDT, a severe thunderstorm was located over Dover, or 16
miles east of Rochester, moving east 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.

* This severe thunderstorm will be near…
St. Charles and Dover around 250 PM CDT.
Lewiston around 310 PM CDT.

Other locations impacted by this severe thunderstorm include
Saratoga, Whitewater State Park, Arendahl, County Roads 9 And 10,
County Roads 6 And 33, Pilot Mound, and Wyattville.

This includes Interstate 90 in Minnesota between mile markers 226 and
248.

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.