Iowa · September 15, 2025

Iowa hail map — September 15, 2025

NOAA radar detected hail of an inch or more over 1 Iowa city on September 15, 2025. The largest stones — 1.50″, half dollar size — fell over Waterloo.

Hail swath map for Waterloo, IA on September 15, 2025 showing 1.50 inch hail.
Swath over Waterloo on September 15, 20251.50″ hail. Each city below has its own map for this storm.
Roofing contractors

Claim your live interactive hail map

Every address in Iowa at once — three years of NOAA hail swaths drawn on a map you can zoom, filter and actually work.

HailMate's canvassing map: hail swaths colour-banded by stone size, from yellow through red to purple, laid over a satellite view of a Texas territory, with hail swath and territory controls.

$79/moall of Iowa, not one storm day

  • The September 15, 2025 swath — and every other storm since 2023 across Iowa
  • GPS door-knocking — pins, photos and who you have already hit
  • Jobs, contacts, estimates and invoices included
  • An alert the next time Iowa gets hit
See the hail map See a sample map first

HailTrace charges $229 for this one day, once. $79 here is all of Iowa, every day.

Cities hit
1
in Iowa
Largest stone
1.50
half dollar size
Impact rating
5/10
from stone size

Sizes come from NOAA radar, which runs about ±0.25″ against ground truth. It is canvass-targeting quality, not claim evidence.

Homeowners

Did hail hit your address?

This page covers Iowa as a whole. Check your own address to see every storm on record for your roof — the date and the stone size for each one — and we'll email you the full report to keep.

Check my address

Free, and no account needed to look it up. If hail did hit, you'll have the date and the stone size in writing — which is the first thing an adjuster asks for.

Iowa cities hit on September 15, 2025

What people on the ground measured in Iowa on September 15, 2025

3 reports filed with the National Weather Service3 from trained observers or officials. These are measured stones, not radar estimates, so they are the closest thing to proof that hail actually reached the ground.

  • 1.25 half dollar size Trained Spotter
    5 SSW Washburn, IA6:29 PM CDTBlack Hawk County

    Spotter submitted picture of hail larger than a quarter north of Irvine Prairie. Delayed report, time and location estimated with radar.

  • 0.70 penny size Trained Spotter
    Mount Auburn, IA6:30 PM CDTBenton County
  • 0.70 penny size Trained Spotter
    1 S Sigourney, IA6:57 PM CDTKeokuk County

Reports come from the National Weather Service Local Storm Report feed, ingested every 15 minutes. A report records where the observer was, not the full extent of the swath — treat it as evidence about the storm, not about any one roof.

FAQ

Iowa hail on September 15, 2025

NOAA radar put hail of an inch or more over 1 Iowa city that day. The largest stones — 1.50 inches, half dollar size — were over Waterloo. Every city hit is listed above with its own stone size.

Knock the Iowa streets this storm hit

Your whole state at street level, with this swath already on the map — $79/mo, cancel anytime.

One state, everything included · from $79/mo · month-to-month, cancel anytime