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Hail Storm Map — September 8, 2026

Hail storm map for September 8, 2026: max 3.00" hail across CO, IA, ~84,541 structures in swath.

COIA

Hail-affected U.S. states Alabama Alaska Arizona Colorado — hail affected Florida Georgia Indiana Kansas Maine Massachusetts Minnesota New Jersey North Carolina North Dakota Oklahoma Pennsylvania South Dakota Texas Wyoming Connecticut Missouri West Virginia Illinois New Mexico Arkansas California Delaware District of Columbia Hawaii Iowa — hail affected Kentucky Maryland Michigan Mississippi Montana New Hampshire New York Ohio Oregon Tennessee Utah Virginia Washington Wisconsin Nebraska South Carolina Idaho Nevada Vermont Louisiana Rhode Island

A significant hail event swept across CO, IA on September 8, 2026, with MRMS radar measuring stones up to 3.00". An estimated 84,541 structures fell inside the qualifying swath. Iowa took the brunt with ~84,536 structures estimated in the ≥1" footprint. Roughly 8,215 of those sat under destructive ≥2.50" stones — the radar tier that routinely totals roofs and shatters auto glass. NOAA logged 9 hail reports and 18 wind reports for the day.

Max hail size
3.00"
States impacted
2
Structures in swath
84,541

Estimated structures affected by state & hail size

State≥1.00"≥1.75"≥2.50"
Iowa84,53623,9508,215
Colorado500

NOAA storm reports

Hail reports (9)

Iowa · 9 reports

TimeLocationCountyObserver comment
16:53AnkenyPolkReport of 2.25 inch hail relayed from broadcast media via email.
17:081 NW AltoonaPolkTime estimated.
17:082 E AnkenyPolkTrained spotter reported largest hail around 1.5 inches and minor siding damage.
17:093 E AnkenyPolkReport from mPING: Ping Pong Ball (1.50 in.).
17:091 NW BondurantPolkReport from mPING: Half Dollar (1.25 in.).
17:104 SE AnkenyPolkRelayed public photo of a hailstone estimated at half dollar sized. Time and location also estimated.
17:171 NW BondurantPolkReport from mPING: Golf Ball (1.75 in.).
17:20MitchellvillePolkPicture sent in via social media.
17:31MitchellvillePolkReport from mPING: Ping Pong Ball (1.50 in.).

Wind reports (13)

Iowa · 6 reports

TimeLocationCountyObserver comment
16:393 SSE MadridPolkMeasured gust at a Personal Weather Station.
17:002 NW AnkenyPolkMeasured gust from a Personal Weather Station.
17:103 NE AnkenyPolkAnkeny RWIS site measured a 71 MPH gust.
17:434 W ReasnorJasperTime estimated from radar.
19:59Cedar Rapids MunicipaliLinnPeak wind gust at the Eastern Iowa Airport.
20:20Mount VernonLinnEstimated 50 to 60 mph winds with power outage for portions of Mt Vernon.

Colorado · 2 reports

TimeLocationCountyObserver comment
18:095 NE BlendePuebloPeak wind at the Pueblo Memorial Airport.
19:534 WSW LamarProwersASOS station KLAA Lamar Airport.

New Mexico · 2 reports

TimeLocationCountyObserver comment
18:1528 SE Bosque del ApacheSocorroMesonet station WSM33 Zumwalt Track (WSMR).
18:5521 SE Bosque del ApacheSocorroMesonet station WSM34 Stallion WIT (WSMR).

Kansas · 1 report

TimeLocationCountyObserver comment
16:594 SE Scott CityScottPersonal weather station reported.

South Dakota · 1 report

TimeLocationCountyObserver comment
01:543 W Dell RapidsMinnehahaMesonet station 17 SD RWIS DELL RAPIDS. Time estimated from radar.

Minnesota · 1 report

TimeLocationCountyObserver comment
03:473 W DovrayMurrayMesonet station MN038 T.h.30 - Dovray - Mp 49. Time estimated by radar.
Was a specific property in this swath?
Run the address against NOAA hail history → Address hail check