⚠️ Severe Thunderstorm Warning – Clayton, IA – Friday, August 21, 2026

Severe Thunderstorm Warning issued August 21 at 4:28PM CDT until August 21 at 4:45PM CDT by NWS La Crosse WI

Details

SVRARX

The National Weather Service in La Crosse has issued a

* Severe Thunderstorm Warning for…
Southeastern Clayton County in northeastern Iowa…

* Until 445 PM CDT.

* At 427 PM CDT, a severe thunderstorm was located over Balltown, or
13 miles northwest of Dubuque, moving southeast at 30 mph.

HAZARD…60 mph wind gusts and half dollar size hail.

SOURCE…Radar indicated.

IMPACT…Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.

* This severe thunderstorm will remain over mainly rural areas of
southeastern Clayton County.

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.