⚠️ Severe Thunderstorm Warning – Black Hawk, IA; Grundy, IA; Tama, IA – Friday, August 7, 2026

Severe Thunderstorm Warning issued August 7 at 4:16PM CDT until August 7 at 5:15PM CDT by NWS Des Moines IA

Details

SVRDMX

The National Weather Service in Des Moines has issued a

* Severe Thunderstorm Warning for…
Black Hawk County in northeastern Iowa…
Northeastern Tama County in central Iowa…
Northeastern Grundy County in central Iowa…

* Until 515 PM CDT.

* At 415 PM CDT, a severe thunderstorm was located near Holland, or 7
miles north of Grundy Center, 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…
Waterloo, Cedar Falls, Evansdale, Jesup, La Porte City, Hudson,
Reinbeck, Dysart, Dike, Elk Run Heights, Crossroads Mall, Uni-Dome
And McLeod Center, Washburn, Raymond, Gilbertville, Stout,
Morrison, Tf Clark State Park, and George Wyth State Park.

This includes Interstate 380 between mile markers 56 and 73.

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.