Iowa storm reports for September 21, 2025

Name: NOAA storm reports, Iowa, September 21, 2025
Creator: NOAA/NWS Storm Prediction Center

NOAA recorded 4 hail reports in Iowa on September 21, 2025.

in Iowa; 4
Storm reports: About 55 miles from Sioux Falls, SD; 2.0 in
Largest hail: 0
Tornado reports

Hail, inches

0.75
1
1.5
2
2.5
3+

Dots: reports. Shading: radar estimate.

Estimated gusts, 50 to 90 mph

Sources: NOAA/NWS Storm Prediction Center reports; radar hail estimates from NOAA MRMS; gust estimates from NOAA URMA

Hail, inches

0.75
1
1.5
2
2.5
3+

Dots: reports. Shading: radar estimate.

Estimated gusts, 50 to 90 mph

Source: NOAA/NWS Storm Prediction Center, final severe weather database (from NOAA's Storm Data). Report day: 12:00 UTC on September 21, 2025 to 12:00 UTC the next day. Times are Central.

Select a dot or a path for the report. Gust lines are estimates: the highest gust of the day in NOAA's hourly 2.5 km wind analysis (URMA), which fills in between weather stations. They aren't measurements at any building.

Reports by hour

Hail4, most at 7 PM

Reports per hour, Central time. Each row has its own scale.

Every report

Source: NOAA/NWS Storm Prediction Center.

Time	Size	Where
7:35 PM	1.75 in	About 34 miles from Sioux Falls, SD
7:50 PM	1.0 in	About 58 miles from Sioux Falls, SD
8:58 PM	0.75 in	About 52 miles from Sioux Falls, SD
9:15 PM	2.0 in	About 55 miles from Sioux Falls, SD

Reports are what observers recorded near a location, not a complete record of every storm. They don’t describe conditions at any building.