HailEvidence → hail history → Dedham, IA
Dedham, 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 Dedham 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 | 1 | 2.50" (tennis ball) |
| 2022 | 0 | — |
| 2021 | 1 | 1.00" (quarter) |
| 2020 | 1 | 1.50" (ping pong ball) |
| 2019 | 5 | 1.25" (half dollar) |
| 2018 | 2 | 1.75" (golf ball) |
| 2017 | 0 | — |
| 2016 | 0 | — |
| 2015 | 1 | 1.00" (quarter) |
| 2014 | 3 | 1.00" (quarter) |
| 2013 | 10 | 1.75" (golf ball) |
| 2012 | 0 | — |
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
- 84 thunderstorm-wind events, strongest 90 mph, most recent 2025-08-09.
- 17 tornado events, most recent 2022-07-07.
Most recent recorded events
| Date | Type | Magnitude | Distance |
|---|---|---|---|
| 2025-08-09 | Thunderstorm Wind | 60 mph | 9.2 mi |
| 2025-08-09 | Thunderstorm Wind | 63 mph | 9.9 mi |
| 2025-07-23 | Thunderstorm Wind | 75 mph | 7.8 mi |
| 2025-07-23 | Thunderstorm Wind | 67 mph | 2.9 mi |
| 2025-07-23 | Thunderstorm Wind | 70 mph | 3.9 mi |
| 2025-06-16 | Thunderstorm Wind | 60 mph | 7.1 mi |
| 2025-03-14 | Thunderstorm Wind | 64 mph | 9.9 mi |
| 2024-07-30 | Thunderstorm Wind | 60 mph | 2.9 mi |
| 2024-05-24 | Thunderstorm Wind | 63 mph | 2.9 mi |
| 2024-05-21 | Thunderstorm Wind | 77 mph | 9.9 mi |
2025-08-09: “Emergency manager reported large trees down in Swan Lake State Park. Time estimated from radar.”
2025-08-09: “Gust measured gust from AWOS. Time of peak gust estimated from radar.”
2025-07-23: “Large limbs down across the town of Coon Rapids.”
Disputing a claim at a Dedham 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