NWS Des Moines IASV.W 0337September 14, 2026
Severe Thunderstorm Warning: Adair, Audubon, Cass and 1 more, IA
The National Weather Service office in Des Moines issued a severe thunderstorm warning for Adair, Audubon, Cass and 1 more in Iowa, which was in force until 8:30 p.m. local time on September 14. It was the 337th severe thunderstorm warning the NWS office in Des Moines issued in 2026. Iowa had 50 severe thunderstorm warnings in September 2026, against 39 in an average September of 2008-2025 (Iowa's severe thunderstorm warnings by year).
ExpiredWarning
In force for 50 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
- Adair, Audubon, Cass and 1 more
- State
- Iowa
- Level
- Warning
- Issued
- 7:40 p.m. CDT, September 14, 2026
- Expires
- 8:30 p.m. CDT, September 14, 2026
- CAP severity, certainty, urgency
- Severe, Observed, Immediate
- VTEC event
- KDMX SV.W 0337
- 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
SVRDMX The National Weather Service in Des Moines has issued a * Severe Thunderstorm Warning for... Cass County in southwestern Iowa... Western Guthrie County in west central Iowa... Southern Audubon County in west central Iowa... Adair County in southwestern Iowa... * Until 830 PM CDT. * At 740 PM CDT, a severe thunderstorm was located near Lewis, or 8 miles southwest of Atlantic, moving east at 60 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Atlantic, Greenfield, Guthrie Center, Griswold, Anita, Exira, Adair, Fontanelle, Elk Horn, Lewis, Casey, Orient, Massena, Kimballton, Cumberland, Bridgewater, Brayton, Marne, Wiota, and Lake Anita State Park. This includes Interstate 80 between mile markers 50 and 86.
What the agency told people to do
For your protection move to an interior room on the lowest floor of a building. A Tornado Watch remains in effect until midnight CDT for southwestern and west central Iowa.
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.