Hail history · Montana
Lewis and Clark County, Montana hail history
12 days with hail reports since 2010, most recently Sep 6, 2026. Largest hail: 1.50".
Hail days since 2010124 in the last 5 years
Largest hail1.50"ping pong ball · Jun 1, 2017
Damaging wind reports56last Sep 2, 2026
By year
| Year | Hail days | Hail reports | Largest hail | Wind reports | Strongest gust |
|---|---|---|---|---|---|
| 2026 (preliminary) | 2 | 3 | 1.00" | 10 | 72 mph |
| 2025 | 0 | 0 | – | 7 | 62 mph |
| 2024 | 1 | 2 | 1.50" | 9 | 63 mph |
| 2023 | 0 | 0 | – | 3 | 67 mph |
| 2022 | 1 | 2 | 1.00" | 11 | 70 mph |
| 2021 | 1 | 2 | 1.00" | 0 | – |
| 2020 | 1 | 1 | 1.00" | 3 | 64 mph |
| 2019 | 1 | 1 | 1.00" | 2 | 66 mph |
| 2018 | 2 | 2 | 1.00" | 1 | 58 mph |
| 2017 | 2 | 3 | 1.50" | 9 | 70 mph |
| 2016 | 1 | 1 | 1.25" | 1 | 58 mph |
| 2015 | 0 | 0 | – | 0 | – |
| 2014 | 0 | 0 | – | 0 | – |
| 2013 | 0 | 0 | – | 0 | – |
| 2012 | 0 | 0 | – | 0 | – |
| 2011 | 0 | 0 | – | 0 | – |
| 2010 | 0 | 0 | – | 0 | – |
Largest hail reports
| Size | About the size of a | Date |
|---|---|---|
| 1.50" | ping pong ball | Jun 1, 2017 |
| 1.50" | ping pong ball | Aug 6, 2024 |
| 1.25" | half dollar | Aug 8, 2016 |
| 1.00" | quarter | Jun 1, 2017 |
| 1.00" | quarter | Jun 8, 2017 |
| 1.00" | quarter | May 26, 2018 |
| 1.00" | quarter | May 31, 2018 |
| 1.00" | quarter | Aug 11, 2019 |
| 1.00" | quarter | May 19, 2020 |
| 1.00" | quarter | Jul 21, 2021 |
Check a specific address
County totals hide big differences between neighborhoods. See every report within 1 to 10 miles of a home.
Source: NOAA Storm Prediction Center storm reports (final Storm Data through Dec 28, 2025; preliminary reports through Oct 9, 2026). Hail 1 inch or larger and damaging wind (58 mph or more, or reported damage). Counts are reports, not damage claims; many storms go unreported. Dates are CST. About the data