⚠️ Severe Thunderstorm Warning – Grundy, IA; Marshall, IA; Tama, IA – Wednesday, June 17, 2026

Severe Thunderstorm Warning issued June 17 at 5:43AM CDT until June 17 at 6:30AM CDT by NWS Des Moines IA

Details

SVRDMX

The National Weather Service in Des Moines has issued a

* Severe Thunderstorm Warning for…
Northeastern Marshall County in central Iowa…
Northern Tama County in central Iowa…
Southeastern Grundy County in central Iowa…

* Until 630 AM CDT.

* At 543 AM CDT, a severe thunderstorm was located over Beaman, or 8
miles south of Grundy Center, moving east at 50 mph.

HAZARD…60 mph wind gusts and penny size hail.

SOURCE…Radar indicated.

IMPACT…Expect damage to roofs, siding, and trees.

* Locations impacted include…
Traer, Reinbeck, Dysart, Conrad, Gladbrook, Clutier, Beaman,
Lincoln, and Tf Clark State Park.

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.