⚠️ Severe Thunderstorm Warning – Howard, IA; Winneshiek, IA; Fillmore, MN – Friday, August 21, 2026

Severe Thunderstorm Warning issued August 21 at 3:01AM CDT until August 21 at 4:00AM CDT by NWS La Crosse WI

Details

SVRARX

The National Weather Service in La Crosse has issued a

* Severe Thunderstorm Warning for…
Northeastern Howard County in northeastern Iowa…
Northwestern Winneshiek County in northeastern Iowa…
Southern Fillmore County in southeastern Minnesota…

* Until 400 AM CDT.

* At 301 AM CDT, a severe thunderstorm was located near Le Roy, or 16
miles northwest of Cresco, moving east at 40 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…
Lime Springs around 305 AM CDT.
Harmony around 325 AM CDT.
Canton around 330 AM CDT.
Mabel around 345 AM CDT.

Other locations impacted by this severe thunderstorm include Hesper,
York, Burr Oak, Locust, Chester, Granger, and Newburg.

Instructions

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

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in La Crosse.

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