HailEvidence → hail history → Sioux City, IA
Sioux City, 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 Sioux City city centroid, 1950 to present.
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Hail by year — last 15 years
| Year | Hail events ≤ 10 mi | Largest hail |
|---|---|---|
| 2026 | 4 | 1.50" (ping pong ball) |
| 2025 | 3 | 2.00" (hen egg) |
| 2024 | 6 | 1.25" (half dollar) |
| 2023 | 6 | 1.25" (half dollar) |
| 2022 | 1 | 0.75" (penny) |
| 2021 | 0 | — |
| 2020 | 1 | 0.75" (penny) |
| 2019 | 1 | 0.75" (penny) |
| 2018 | 3 | 0.75" (penny) |
| 2017 | 8 | 4.25" (softball) |
| 2016 | 5 | 1.75" (golf ball) |
| 2015 | 2 | 1.00" (quarter) |
| 2014 | 14 | 1.50" (ping pong ball) |
| 2013 | 2 | 1.00" (quarter) |
| 2012 | 3 | 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
- 275 thunderstorm-wind events, strongest 106 mph, most recent 2026-05-17.
- 27 tornado events, most recent 2026-05-17.
Most recent recorded events
| Date | Type | Magnitude | Distance |
|---|---|---|---|
| 2026-05-31 | Hail | 1.00" | 2.6 mi |
| 2026-05-31 | Hail | 1.50" | 10 mi |
| 2026-05-25 | Hail | 0.75" | 9.2 mi |
| 2026-05-18 | Hail | 0.88" | 2.4 mi |
| 2026-05-17 | Tornado | EF0 | 9.3 mi |
| 2026-05-17 | Tornado | EF1 | 6.1 mi |
| 2026-05-17 | Thunderstorm Wind | 66 mph | 4.7 mi |
| 2026-05-17 | Thunderstorm Wind | 70 mph | 2.3 mi |
| 2026-05-17 | Thunderstorm Wind | 70 mph | 1.1 mi |
| 2025-09-14 | Thunderstorm Wind | 64 mph | 8 mi |
2026-05-17: “Several social media postings documented a tornado as it developed south of the Sergeant Bluff Rest Area along Interstate 29 and moved to the northeast across open fields before downing several large tree limbs along 220th Street. The tornado lifted shortly thereafter. The tornado was rated EF0 with”
2026-05-17: “A tornado touched down near the intersection of Glen Ellen Rd. and County Home Rd. and moved northeast for less than one mile before damaging several buildings along Old Highway 141. The tornado continued northeast for a couple minutes across open fields before damaging roof panels on an outbuilding”
2026-05-17: “Wind gust measured by a personal weather station.”
Disputing a claim at a Sioux City 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 2026-09-10