HailEvidence → hail history → Altona, CO
Altona, CO 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 Altona 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 | 5 | 1.00" (quarter) |
| 2024 | 3 | 1.00" (quarter) |
| 2023 | 5 | 1.00" (quarter) |
| 2022 | 4 | 1.00" (quarter) |
| 2021 | 1 | 1.00" (quarter) |
| 2020 | 2 | 1.00" (quarter) |
| 2019 | 13 | 1.50" (ping pong ball) |
| 2018 | 20 | 1.75" (golf ball) |
| 2017 | 2 | 0.88" (nickel) |
| 2016 | 1 | 1.00" (quarter) |
| 2015 | 3 | 2.50" (tennis ball) |
| 2014 | 1 | 1.50" (ping pong ball) |
| 2013 | 4 | 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
- 28 thunderstorm-wind events, strongest 75 mph, most recent 2024-07-20.
- 2 tornado events, most recent 1980-10-15.
Most recent recorded events
| Date | Type | Magnitude | Distance |
|---|---|---|---|
| 2025-08-10 | Hail | 0.75" | 7.9 mi |
| 2025-08-10 | Hail | 0.88" | 7.9 mi |
| 2025-08-10 | Hail | 1.00" | 8.4 mi |
| 2025-07-11 | Hail | 0.75" | 7.9 mi |
| 2025-05-18 | Hail | 1.00" | 10 mi |
| 2024-07-20 | Thunderstorm Wind | 61 mph | 3.5 mi |
| 2024-05-30 | Hail | 0.75" | 6.2 mi |
| 2024-05-30 | Hail | 1.00" | 6.3 mi |
| 2024-05-30 | Hail | 1.00" | 6.8 mi |
| 2023-06-21 | Hail | 1.00" | 9.6 mi |
2025-08-10: “The report was from mPING.”
2025-08-10: “The report was from mPING.”
2025-05-18: “Picture of 1 inch hail on Twitter.”
Storm-day records for Altona — “did it hail on this date?”
Each recorded hail day in Altona has its own page with the official NWS reports for that date.
- Hail in Altona, CO on July 28, 2026 — up to 1.00"
Disputing a claim at a Altona 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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Type a street address — or just a ZIP code. We measure it
against every hail event the National Weather Service recorded in the last 10 years and show you
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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 2026-08-09