⚠️ Tornado Warning – Hamilton, IA; Hardin, IA; Story, IA – Monday, July 20, 2026

Tornado Warning issued July 20 at 5:04PM CDT until July 20 at 5:45PM CDT by NWS Des Moines IA

Details

TORDMX

The National Weather Service in Des Moines has issued a

* Tornado Warning for…
Northern Story County in central Iowa…
Southwestern Hardin County in central Iowa…
Southeastern Hamilton County in central Iowa…

* Until 545 PM CDT.

* At 503 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Randall, or 16 miles north of Ames, moving
southeast at 30 mph.

HAZARD…Tornado and hail up to two inches in diameter.

SOURCE…Radar indicated rotation. This storm has a history of
producing brief tornadoes.

IMPACT…Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.

* This dangerous storm will be near…
Story City and Roland around 510 PM CDT.
McCallsburg around 520 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Zearing, Ellsworth, Garden City, McCallsburg, and Randall.

This includes Interstate 35 between mile markers 119 and 134.

Instructions

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

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