HailEvidence → hail history → Superior, IA
Superior, 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 Superior city centroid, 1950 to present.
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Hail by year — last 15 years
| Year | Hail events ≤ 10 mi | Largest hail |
|---|---|---|
| 2026 | 2 | 1.00" (quarter) |
| 2025 | 3 | 0.75" (penny) |
| 2024 | 3 | 1.00" (quarter) |
| 2023 | 2 | 1.00" (quarter) |
| 2022 | 3 | 1.25" (half dollar) |
| 2021 | 0 | — |
| 2020 | 2 | 1.25" (half dollar) |
| 2019 | 4 | 1.50" (ping pong ball) |
| 2018 | 1 | 0.88" (nickel) |
| 2017 | 2 | 1.50" (ping pong ball) |
| 2016 | 4 | 1.00" (quarter) |
| 2015 | 2 | 1.50" (ping pong ball) |
| 2014 | 4 | 1.75" (golf ball) |
| 2013 | 1 | 1.00" (quarter) |
| 2012 | 5 | 1.75" (golf ball) |
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
- 147 thunderstorm-wind events, strongest 104 mph, most recent 2026-05-15.
- 20 tornado events, most recent 2026-05-17.
Most recent recorded events
| Date | Type | Magnitude | Distance |
|---|---|---|---|
| 2026-05-17 | Tornado | EFU | 7.6 mi |
| 2026-05-15 | Hail | 1.00" | 8.8 mi |
| 2026-05-15 | Thunderstorm Wind | 60 mph | 7.8 mi |
| 2026-04-13 | Hail | 0.75" | 7.8 mi |
| 2025-07-28 | Thunderstorm Wind | 70 mph | 8.3 mi |
| 2025-07-27 | Thunderstorm Wind | 70 mph | 8.3 mi |
| 2025-06-20 | Thunderstorm Wind | 59 mph | 10 mi |
| 2025-06-11 | Thunderstorm Wind | 59 mph | 9.8 mi |
| 2025-06-11 | Hail | 0.75" | 9.2 mi |
| 2025-04-28 | Thunderstorm Wind | 60 mph | 8.8 mi |
2026-05-17: “A brief tornado was observed in an open field by a storm chaser around 2 miles northwest of Terril. The tornado was estimated to touch down northeast of the intersection of 290th Avenue and 220th Street. The tornado tracked northeast for around one minute before it lifted west of 300th Avenue. There”
2025-07-28: “Thunderstorms winds pushed a large tree onto a house, another tree fell across a city street, and a couple of power lines were downed from broken tree limbs.”
2025-07-27: “A tree and several three-inch tree limbs were blown down by thunderstorm wind gusts in Spirit Lake.”
Disputing a claim at a Superior 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