HailEvidence → hail history → River Sioux, IA
River Sioux, 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 River Sioux city centroid, 1950 to present.
Hail by year — last 15 years
| Year | Hail events ≤ 10 mi | Largest hail |
|---|---|---|
| 2026 | 0 | — |
| 2025 | 0 | — |
| 2024 | 4 | 3.00" (tea cup) |
| 2023 | 2 | 1.50" (ping pong ball) |
| 2022 | 0 | — |
| 2021 | 0 | — |
| 2020 | 0 | — |
| 2019 | 5 | 1.75" (golf ball) |
| 2018 | 0 | — |
| 2017 | 6 | 2.00" (hen egg) |
| 2016 | 3 | 1.50" (ping pong ball) |
| 2015 | 0 | — |
| 2014 | 7 | 1.00" (quarter) |
| 2013 | 0 | — |
| 2012 | 2 | 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
- 172 thunderstorm-wind events, strongest 87 mph, most recent 2025-08-09.
- 14 tornado events, most recent 2024-04-26.
Most recent recorded events
| Date | Type | Magnitude | Distance |
|---|---|---|---|
| 2025-08-09 | Thunderstorm Wind | 69 mph | 7.2 mi |
| 2025-08-09 | Thunderstorm Wind | 72 mph | 6.6 mi |
| 2025-07-28 | Thunderstorm Wind | 60 mph | 6.5 mi |
| 2025-07-28 | Thunderstorm Wind | 58 mph | 7.9 mi |
| 2025-07-07 | Thunderstorm Wind | 60 mph | 7.4 mi |
| 2025-03-14 | Thunderstorm Wind | 63 mph | 7.4 mi |
| 2025-03-14 | Thunderstorm Wind | 78 mph | 7.4 mi |
| 2024-08-29 | Thunderstorm Wind | 67 mph | 7.2 mi |
| 2024-07-29 | Thunderstorm Wind | 58 mph | 7.2 mi |
| 2024-06-12 | Hail | 3.00" | 0.6 mi |
2025-08-09: “KTQE ASOS recorded a measured wind gust of 69 mph.”
2025-08-09: “Personal weather station measured wind gust of 73 mph.”
2025-07-28: “Law enforcement report of a roof blown off a home, associated with estimated 50-60 mph winds with a thunderstorm outflow boundary.”
Disputing a claim at a River Sioux 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