NWS Des Moines IATO.W 0078August 13, 2026
Tornado Warning: Jasper, Marshall, Polk and 1 more, IA
The National Weather Service office in Des Moines issued a tornado warning for Jasper, Marshall, Polk and 1 more in Iowa, which was in force until 7:15 a.m. local time on August 13. It was the 78th tornado warning the NWS office in Des Moines issued in 2026. Iowa had 21 tornado warnings in August 2026, against 5 in an average August of 2008-2025 (Iowa's tornado warnings by year).
ExpiredWarning
In force for 27 minutes; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Des Moines IA
- Area
- Jasper, Marshall, Polk and 1 more
- State
- Iowa
- Level
- Warning
- Issued
- 6:48 a.m. CDT, August 13, 2026
- Expires
- 7:15 a.m. CDT, August 13, 2026
- CAP severity, certainty, urgency
- Extreme, Observed, Immediate
- VTEC event
- KDMX TO.W 0078
- Official source
- National Weather Service: the notice at its source
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
TORDMX The National Weather Service in Des Moines has issued a * Tornado Warning for... Northeastern Polk County in central Iowa... Southeastern Story County in central Iowa... Western Marshall County in central Iowa... Northwestern Jasper County in central Iowa... * Until 715 AM CDT. * At 648 AM CDT, a tornado producing storm was located over Maxwell, or 8 miles south of Nevada, moving northeast at 70 mph. HAZARD...Damaging tornado. SOURCE...Radar confirmed tornado. 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 tornadic storm will be near... State Center, Colo, and Collins around 655 AM CDT. Clemons around 705 AM CDT. Other locations impacted by this tornadic thunderstorm include Collins, Rhodes, St. Anthony, Maxwell, Clemons, Cambridge, and Colo.
What the agency told people to do
To repeat, a tornado is on the ground. 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.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.