Severe Thunderstorm Warning for Northern Cass County and Nearby Iowa Areas
If you are in immediate danger, call emergency services now.
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NWS Des Moines has issued a Severe Thunderstorm Warning for parts of Adair, Audubon, Cass, and Guthrie counties in Iowa until 2:15 AM CDT.
This weather record, quickly
- Record type
- Severe Thunderstorm Warning
- Affected area
- Southwestern Iowa
- Issued
- September 15, 2026
- Issuing authority
- NWS Des Moines IA
Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.
Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
A Severe Thunderstorm Warning has been issued by the National Weather Service in Des Moines IA. The alert is effective from September 15, 2026 at 1:43 AM CDT until September 15, 2026 at 2:15 AM CDT.
Affected Areas
The warning covers Northern Cass County in southwestern Iowa, Southwestern Guthrie County in west central Iowa, Southern Audubon County in west central Iowa, and Northwestern Adair County in southwestern Iowa. Locations impacted include Atlantic, Anita, Exira, Adair, Elk Horn, Kimballton, Brayton, Marne, Wiota, Lake Anita State Park, Atlantic Municipal Airport, and Anita Municipal Airport. This includes Interstate 80 between mile markers 50 and 80.
What You Should Do
For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
Expected Conditions
At 1:43 AM CDT, a severe thunderstorm was located near Brayton, or 8 miles northeast of Atlantic, moving east at 50 mph. Hazard includes 60 mph wind gusts with radar indicated source. Expect damage to roofs, siding, and trees. Hail up to .75 inches is possible.
Timeline
The alert is in effect from 1:43 AM CDT until 2:15 AM CDT on September 15, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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Two cross-category peer sets, both computed from Areazine's own archive: notices with a similar body length, and notices near the same severity and agency date. These are drawn from other categories, not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,309 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to September 15, 2026.
Common Questions
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