Severe Thunderstorm Warning Issued for Polk, Boone, and Dallas Counties 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.