HailEvidence → hail history → Altoona, WI
Altoona, WI 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 Altoona city centroid, 1950 to present.
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Hail by year — last 15 years
| Year | Hail events ≤ 10 mi | Largest hail |
|---|---|---|
| 2026 | 0 | — |
| 2025 | 6 | 4.00" (softball) |
| 2024 | 0 | — |
| 2023 | 0 | — |
| 2022 | 0 | — |
| 2021 | 4 | 1.00" (quarter) |
| 2020 | 4 | 1.25" (half dollar) |
| 2019 | 0 | — |
| 2018 | 7 | 1.00" (quarter) |
| 2017 | 2 | 0.88" (nickel) |
| 2016 | 1 | 0.88" (nickel) |
| 2015 | 0 | — |
| 2014 | 6 | 1.00" (quarter) |
| 2013 | 5 | 1.00" (quarter) |
| 2012 | 4 | 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
- 155 thunderstorm-wind events, strongest 112 mph, most recent 2025-07-28.
- 18 tornado events, most recent 2021-12-15.
Most recent recorded events
| Date | Type | Magnitude | Distance |
|---|---|---|---|
| 2025-07-28 | Thunderstorm Wind | 60 mph | 3.3 mi |
| 2025-05-15 | Hail | 2.00" | 4.9 mi |
| 2025-05-15 | Hail | 4.00" | 1.6 mi |
| 2025-05-15 | Hail | 2.75" | 0.8 mi |
| 2025-05-15 | Hail | 2.25" | 2.8 mi |
| 2025-05-15 | Hail | 2.00" | 6.3 mi |
| 2025-05-15 | Hail | 1.75" | 10 mi |
| 2024-08-29 | Thunderstorm Wind | 60 mph | 3.5 mi |
| 2024-08-29 | Thunderstorm Wind | 64 mph | 10 mi |
| 2024-08-26 | Thunderstorm Wind | 63 mph | 3.3 mi |
2025-07-28: “About one dozen trees across roads in various parts of Eau Claire. Some power lines also down.”
2025-05-15: “Two rounds of hail fell near Deerfield Road south of Eau Claire over the course of about 15 minutes. The largest hail report was 2 inches in diameter around the intersection of Deerfield and State Highway 93.”
2025-05-15: “Several reports of large hail fell near US-35 between Eau Claire and Altoona. The largest report was up to 4 inches in diameter. There was also a report of damage to siding due to the large hail.”
Storm-day records for Altoona — “did it hail on this date?”
Each recorded hail day in Altoona has its own page with the official NWS reports for that date.
- Hail in Altoona, WI on June 19, 2026 — up to 1.25"
Disputing a claim at a Altoona 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.
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Type a street address. We measure it against every hail
event the National Weather Service recorded in the last 10 years and show you how many fall
within 1, 3 and 10 miles — free, instantly, nothing stored. Rural property with no street address?
Enter coordinates as 44.05, -107.31.
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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source: NOAA NCEI Storm Events computed 2026-07-25