HailEvidence → hail history → Grimes, IA
Grimes, IA hail history
Every figure below is from the NOAA NCEI Storm Events Database — the official NWS record — counting events recorded within 10 miles of the Grimes city centroid, 1950 to present.
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Hail by year — last 15 years
| Year | Hail events ≤ 10 mi | Largest hail |
|---|---|---|
| 2026 | 0 | — |
| 2025 | 5 | 1.00" (quarter) |
| 2024 | 4 | 1.00" (quarter) |
| 2023 | 7 | 1.00" (quarter) |
| 2022 | 20 | 3.00" (tea cup) |
| 2021 | 35 | 3.25" (tea cup) |
| 2020 | 5 | 2.00" (hen egg) |
| 2019 | 14 | 1.50" (ping pong ball) |
| 2018 | 15 | 2.00" (hen egg) |
| 2017 | 17 | 1.50" (ping pong ball) |
| 2016 | 7 | 1.25" (half dollar) |
| 2015 | 1 | 0.75" (penny) |
| 2014 | 21 | 2.75" (baseball) |
| 2013 | 8 | 1.75" (golf ball) |
| 2012 | 8 | 1.00" (quarter) |
Note: the current and prior year reflect the latest NCEI compile and grow as NWS finalizes reports; same-day activity appears on this site's storm-day pages before it reaches this table.
Wind and tornado record
- 443 thunderstorm-wind events, strongest 120 mph, most recent 2025-07-28.
- 47 tornado events, most recent 2024-07-15.
Most recent recorded events
| Date | Type | Magnitude | Distance |
|---|---|---|---|
| 2025-07-28 | Thunderstorm Wind | 58 mph | 5.4 mi |
| 2025-07-10 | Thunderstorm Wind | 70 mph | 6.7 mi |
| 2025-07-10 | Thunderstorm Wind | 64 mph | 5.8 mi |
| 2025-07-10 | Thunderstorm Wind | 70 mph | 6.5 mi |
| 2025-07-10 | Thunderstorm Wind | 60 mph | 8.2 mi |
| 2025-07-07 | Thunderstorm Wind | 60 mph | 6.7 mi |
| 2025-05-19 | Hail | 1.00" | 9.2 mi |
| 2025-05-19 | Hail | 0.75" | 9.7 mi |
| 2025-03-14 | Hail | 1.00" | 7.2 mi |
| 2025-03-14 | Hail | 1.00" | 5 mi |
2025-07-28: “Large tree branches down in Urbandale due to collapsing storm.”
2025-07-10: “Spotter measured two wind gusts of 70 mph at 1237 and 1240 am.”
2025-07-10: “Measured wind gust reported by local broadcast media.”
Storm-day records for Grimes — “did it hail on this date?”
Each recorded hail day in Grimes has its own page with the official NWS reports for that date.
- Hail in Grimes, IA on July 20, 2026 — up to 1.00"
- Hail in Grimes, IA on July 2, 2026 — up to 1.50"
Disputing a claim at a Grimes address?
This page covers the city. A claim is argued about one property, so start with the free address check — it counts the recorded events around your address, not the city centroid. If you need the record itself in writing, that's the citable verification report — $29.
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Address lookup by the U.S. Census Bureau geocoder. Records: NOAA NCEI Storm Events (final) plus SPC preliminary reports for storms newer than the latest compile — see methodology.
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Nearby hail history
source: NOAA NCEI Storm Events computed 2026-08-09