⚠️ Severe Thunderstorm Warning – Allamakee, IA; Chickasaw, IA; Clayton, IA; Fayette, IA; Howard, IA; Winneshiek, IA – Tuesday, August 11, 2026

Severe Thunderstorm Warning issued August 11 at 7:07AM CDT until August 11 at 8:15AM CDT by NWS La Crosse WI

Details

SVRARX

The National Weather Service in La Crosse has issued a

* Severe Thunderstorm Warning for…
Southern Howard County in northeastern Iowa…
Clayton County in northeastern Iowa…
Fayette County in northeastern Iowa…
Southwestern Allamakee County in northeastern Iowa…
Southern Winneshiek County in northeastern Iowa…
Chickasaw County in northeastern Iowa…

* Until 815 AM CDT.

* At 707 AM CDT, severe thunderstorms were located along a line
extending from 8 miles northwest of Ionia to near Hawkeye to near
Oelwein, moving east 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…
Oelwein, New Hampton, West Union, Elkader, Postville, Monona,
Fayette, Strawberry Point, Fairbank, Calmar, Edgewood, Ossian,
Riceville, Garnavillo, Elgin, Clermont, Elma, Maynard, Hawkeye, and
Lawler.

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.