HailEvidence → hail history → Williamson, IA
Williamson, 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 Williamson city centroid, 1950 to present.
Hail by year — last 15 years
| Year | Hail events ≤ 10 mi | Largest hail |
|---|---|---|
| 2026 | 0 | — |
| 2025 | 0 | — |
| 2024 | 2 | 1.50" (ping pong ball) |
| 2023 | 2 | 1.00" (quarter) |
| 2022 | 2 | 1.75" (golf ball) |
| 2021 | 5 | 2.00" (hen egg) |
| 2020 | 1 | 1.00" (quarter) |
| 2019 | 0 | — |
| 2018 | 0 | — |
| 2017 | 5 | 1.75" (golf ball) |
| 2016 | 0 | — |
| 2015 | 0 | — |
| 2014 | 1 | 1.00" (quarter) |
| 2013 | 1 | 0.75" (penny) |
| 2012 | 1 | 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
- 81 thunderstorm-wind events, strongest 75 mph, most recent 2024-07-31.
- 13 tornado events, most recent 2022-03-05.
Most recent recorded events
| Date | Type | Magnitude | Distance |
|---|---|---|---|
| 2024-07-31 | Thunderstorm Wind | 62 mph | 6.6 mi |
| 2024-07-30 | Thunderstorm Wind | 66 mph | 7.1 mi |
| 2024-06-25 | Hail | 1.50" | 5.5 mi |
| 2024-04-16 | Hail | 0.75" | 5.2 mi |
| 2023-09-16 | Hail | 0.80" | 6.1 mi |
| 2023-03-31 | Hail | 1.00" | 9.5 mi |
| 2022-09-17 | Hail | 1.75" | 5.5 mi |
| 2022-09-17 | Hail | 1.75" | 8.9 mi |
| 2022-03-05 | Tornado | EF0 | 8.1 mi |
| 2021-12-15 | Thunderstorm Wind | 64 mph | 7.1 mi |
2024-04-16: “Local media reported penny sized hail on the northeast side of Chariton. Time estimated by radar.”
2022-09-17: “Hail received from broadcast media via social media.”
2022-03-05: “This was a satellite tornado which formed near the tornado which went on to impact areas just south and east of Chariton, Iowa. This satellite tornado was captured on video by storm chasers and left a path observed in high resolution satellite imagery. This tornado developed north of the main torn”
Disputing a claim at a Williamson 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