⚠️ Tornado Warning – Black Hawk, IA; Butler, IA; Franklin, IA; Grundy, IA; Hardin, IA; Tama, IA – Monday, July 20, 2026

Tornado Warning issued July 20 at 3:57PM CDT until July 20 at 4:45PM CDT by NWS Des Moines IA

Details

TORDMX

The National Weather Service in Des Moines has issued a

* Tornado Warning for…
Northeastern Hardin County in central Iowa…
Southwestern Black Hawk County in northeastern Iowa…
Northern Tama County in central Iowa…
Southeastern Franklin County in north central Iowa…
Grundy County in central Iowa…
Southwestern Butler County in north central Iowa…

* Until 445 PM CDT.

* At 357 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Aplington, or 14 miles northwest of Grundy Center,
moving southeast at 50 mph.

HAZARD…Tornado.

SOURCE…Radar indicated rotation.

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…
Aplington around 400 PM CDT.
Grundy Center and Holland around 410 PM CDT.
Morrison around 415 PM CDT.
Reinbeck around 420 PM CDT.
Traer and Tf Clark State Park around 435 PM CDT.

Other locations impacted by this tornadic thunderstorm include Stout,
Morrison, Tf Clark State Park, Wellsburg, Lincoln, Holland, and
Ackley Municipal Airport.

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.