Hail history · Idaho
Idaho hail history
Hail days, largest hail and the latest storms for 44 Idaho counties, from NOAA storm reports since 2010.
234 hail reports and 1,188 damaging-wind reports in Idaho since 2010; the largest hail was 2.75" (baseball) in Idaho County on Aug 9, 2019. Counties are sorted by the number of days with hail reports.
| County | Hail days since 2010 | Last 5 years | Largest hail | Last hail |
|---|---|---|---|---|
| Bonneville County | 14 | 8 | 2.00" | Sep 17, 2026 |
| Idaho County | 10 | 7 | 2.75" | May 28, 2026 |
| Fremont County | 9 | 2 | 1.50" | Jun 9, 2026 |
| Bannock County | 8 | 5 | 1.50" | May 11, 2025 |
| Caribou County | 7 | 3 | 1.75" | Sep 7, 2025 |
| Bonner County | 6 | 4 | 1.25" | Aug 29, 2025 |
| Cassia County | 6 | 3 | 1.75" | Aug 26, 2023 |
| Bingham County | 5 | 3 | 2.50" | Sep 17, 2026 |
| Clearwater County | 5 | 2 | 2.00" | Jul 16, 2026 |
| Jefferson County | 5 | 3 | 1.25" | Sep 17, 2026 |
| Kootenai County | 5 | 4 | 2.75" | Jun 13, 2023 |
| Owyhee County | 5 | 2 | 1.75" | Aug 11, 2022 |
| Power County | 5 | 4 | 1.75" | Sep 7, 2025 |
| Ada County | 4 | 3 | 1.25" | Jul 23, 2026 |
| Adams County | 4 | 3 | 1.75" | May 28, 2026 |
| Lemhi County | 4 | 1 | 1.75" | Aug 18, 2024 |
| Lewis County | 4 | 3 | 1.75" | May 28, 2026 |
| Shoshone County | 4 | 3 | 1.00" | May 28, 2026 |
| Twin Falls County | 4 | 2 | 1.50" | May 26, 2023 |
| Bear Lake County | 3 | 1 | 1.00" | Sep 17, 2026 |
| Blaine County | 3 | 1 | 1.25" | Sep 17, 2026 |
| Butte County | 3 | 2 | 1.00" | Aug 13, 2024 |
| Canyon County | 3 | 2 | 2.00" | Aug 11, 2022 |
| Elmore County | 3 | 1 | 1.75" | Jun 5, 2022 |
| Franklin County | 3 | 1 | 1.50" | Jun 27, 2026 |
| Latah County | 3 | 2 | 1.00" | May 28, 2026 |
| Madison County | 3 | 0 | 1.75" | May 31, 2018 |
| Minidoka County | 3 | 1 | 1.75" | May 24, 2023 |
| Benewah County | 2 | 1 | 1.00" | May 28, 2026 |
| Boise County | 2 | 2 | 1.25" | Jun 26, 2024 |
| Payette County | 2 | 2 | 1.00" | Jun 26, 2024 |
| Camas County | 1 | 1 | 1.00" | Aug 4, 2023 |
| Custer County | 1 | 1 | 1.25" | Aug 10, 2024 |
| Gooding County | 1 | 1 | 1.25" | Jun 5, 2022 |
| Jerome County | 1 | 0 | 1.00" | Sep 9, 2019 |
| Oneida County | 1 | 1 | 1.00" | Jun 1, 2023 |
| Teton County | 1 | 1 | 1.50" | May 26, 2026 |
| Valley County | 1 | 1 | 1.75" | Aug 12, 2022 |
| Boundary County | 0 | 0 | – | – |
| Clark County | 0 | 0 | – | – |
| Gem County | 0 | 0 | – | – |
| Lincoln County | 0 | 0 | – | – |
| Nez Perce County | 0 | 0 | – | – |
| Washington County | 0 | 0 | – | – |
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