HailEvidence → hail history → Grinnell, IA
Grinnell, 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 Grinnell city centroid, 1950 to present.
Hail by year — last 15 years
| Year | Hail events ≤ 10 mi | Largest hail |
|---|---|---|
| 2026 | 0 | — |
| 2025 | 0 | — |
| 2024 | 2 | 0.88" (nickel) |
| 2023 | 9 | 2.75" (baseball) |
| 2022 | 1 | 1.00" (quarter) |
| 2021 | 1 | 1.25" (half dollar) |
| 2020 | 0 | — |
| 2019 | 1 | 1.00" (quarter) |
| 2018 | 2 | 1.00" (quarter) |
| 2017 | 2 | 1.00" (quarter) |
| 2016 | 0 | — |
| 2015 | 0 | — |
| 2014 | 3 | 1.00" (quarter) |
| 2013 | 1 | 1.00" (quarter) |
| 2012 | 2 | 1.25" (half dollar) |
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
- 68 thunderstorm-wind events, strongest 105 mph, most recent 2025-06-20.
- 14 tornado events, most recent 2022-03-05.
Most recent recorded events
| Date | Type | Magnitude | Distance |
|---|---|---|---|
| 2025-06-20 | Thunderstorm Wind | 60 mph | 1.9 mi |
| 2025-03-14 | Thunderstorm Wind | 64 mph | 6.4 mi |
| 2024-10-24 | Hail | 0.88" | 0.4 mi |
| 2024-08-15 | Hail | 0.75" | 3 mi |
| 2024-05-21 | Thunderstorm Wind | 60 mph | 9.2 mi |
| 2023-05-07 | Hail | 2.50" | 9.9 mi |
| 2023-05-07 | Hail | 2.75" | 6.5 mi |
| 2023-05-07 | Hail | 2.00" | 9.8 mi |
| 2023-05-07 | Hail | 2.50" | 8.1 mi |
| 2023-05-07 | Thunderstorm Wind | 63 mph | 3.1 mi |
2025-06-20: “Delayed report of tree damage, solar farm damage, and large branches downed mainly on the north side of Grinnell.”
2025-03-14: “Two semis blown over.”
2024-08-15: “Hail estimated to be the size of a grape, or 0.75 inches.”
Disputing a claim at a Grinnell address?
This page covers the city. A claim dispute needs the record around your address: every NWS-recorded event within 1, 3 and 10 miles, the disputed date highlighted, citations formatted for an insurance appeal.
Verify an address — $29source: NOAA NCEI Storm Events computed 2026-06-12