Severe Thunderstorm Warning Issued for Polk, Boone, and Dallas Counties in Central Iowa
This alert is no longer in effect.
NOAA issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
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The National Weather Service has issued a Severe Thunderstorm Warning for parts of central Iowa until 8:15 PM CST, citing threats of half-dollar-sized hail and 50 MPH wind gusts.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Central Iowa
- Issued
- April 6, 2026
- Issuing authority
- NWS Des Moines
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: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Central Iowa.
Alert Details
The National Weather Service in Des Moines has issued a Severe Thunderstorm Warning for northwestern Polk County, southeastern Boone County, and central Dallas County in central Iowa. This alert was issued at 7:23 PM CST following radar indications of a severe storm.
Affected Areas
The warning impacts several locations in central Iowa, including:
- Cities and Towns: Ankeny, Urbandale, Johnston, Grimes, Adel, Polk City, Madrid, Dallas Center, Granger, Woodward, Alleman, Minburn, Sheldahl, and Luther.
- Landmarks: Big Creek Lake, Saylorville Lake, and Big Creek State Park.
- Travel: Interstate 35 near mile marker 96.
What You Should Do
For your protection, move to an interior room on the lowest floor of a building. Residents in the warning area should take immediate action to protect themselves and their property, as damage to vehicles is expected.
Expected Conditions
At 7:23 PM CST, a severe thunderstorm was located near Adel, moving northeast at 55 mph. The following conditions are expected:
- Hail: Half dollar size hail (up to 1.25 inches) is possible.
- Wind: Wind gusts of up to 50 MPH have been indicated by radar.
- Impact: Significant hail poses a threat to vehicles and outdoor equipment.
Timeline
The Severe Thunderstorm Warning is effective from 7:23 PM CST until 8:15 PM CST on March 6, 2026. Additionally, a Tornado Watch remains in effect for central Iowa until 10:00 PM CST.
Original source: NOAA Official Notice ↗
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