Severe Thunderstorm Warning Issued for Central and South Central Iowa
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NWS Des Moines has issued a Severe Thunderstorm Warning for eight Iowa counties until 7:45 PM CDT on September 8, 2026, with 70 mph winds and quarter-size hail observed.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Central and South Central Iowa
- Issued
- September 8, 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 (SVR) has been issued by the National Weather Service in Des Moines IA. The alert is effective from 6:55 PM CDT on September 8, 2026, until 7:45 PM CDT on September 8, 2026.
Affected Areas
The warning covers Jasper, Lucas, Mahaska, Marion, Monroe, Polk, Poweshiek, and Warren counties in Iowa. Locations impacted include Newton, Indianola, Pella, Grinnell, Knoxville, Montezuma, Carlisle, Colfax, Monroe, Pleasantville, Prairie City, New Sharon, Melcher-Dallas, Iowa Speedway, Knoxville Raceway, Lake Red Rock, Rock Creek Lake, Sully, Milo, and Hartford. This includes Interstate 80 between mile markers 153 and 203.
What You Should Do
For your protection, move to an interior room on the lowest floor of a building.
Expected Conditions
At 6:54 PM CDT, severe thunderstorms were located along a line extending from Grinnell Regional Airport to near Milo, moving east at 35 mph. Hazards include 70 mph wind gusts and quarter size hail (1.00 inch). Hail damage to vehicles is expected, along with considerable tree damage and wind damage to mobile homes, roofs, and outbuildings.
Timeline
The warning is in effect from 6:55 PM CDT until 7:45 PM CDT on September 8, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,231 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to September 8, 2026.
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