⚠️ Severe Thunderstorm Warning – Jasper, IA; Marshall, IA; Story, IA – Monday, July 20, 2026

Severe Thunderstorm Warning issued July 20 at 6:12PM CDT until July 20 at 7:00PM CDT by NWS Des Moines IA

Details

SVRDMX

The National Weather Service in Des Moines has issued a

* Severe Thunderstorm Warning for…
East central Story County in central Iowa…
Southwestern Marshall County in central Iowa…
North central Jasper County in central Iowa…

* Until 700 PM CDT.

* At 612 PM CDT, a severe thunderstorm was located over State Center,
or 13 miles east of Nevada, moving southeast at 30 mph.

HAZARD…Ping pong ball size hail and 60 mph wind gusts.

SOURCE…Radar indicated.

IMPACT…People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.

* Locations impacted include…
State Center, Baxter, Colo, Melbourne, Rhodes, Laurel, Haverhill,
and St. Anthony.

Instructions

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

A Tornado Watch remains in effect until 1000 PM CDT for central Iowa.

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