2,544
Recorded events
44
Counties affected
19
Direct deaths
$21.1M
Property damage
Idaho thunderstorm wind history: 2,544 recorded events across 44 counties between 1955 and 2026.
Decade by decade
Idaho thunderstorm wind history by decade
The 2020s are the busiest decade on record with 847 reported thunderstorm wind events across Idaho. Earlier decades are thinner because systematic reporting for this hazard expanded over time, not because the weather was calmer.
County ranking
Counties with the most thunderstorm wind events in Idaho
| Rank | County | Events | Deaths | Damage | Span |
|---|---|---|---|---|---|
| #1 | Butte County | 201 | 0 | $11K | 1959–2026 |
| #2 | Bingham County | 175 | 0 | $3.0M | 1965–2026 |
| #3 | Jefferson County | 170 | 0 | $511K | 1964–2026 |
| #4 | Cassia County | 126 | 2 | $492K | 1967–2026 |
| #5 | Bonneville County | 126 | 1 | $261K | 1956–2025 |
| #6 | Bannock County | 110 | 0 | $458K | 1955–2026 |
| #7 | Ada County | 109 | 0 | $548K | 1958–2025 |
| #8 | Power County | 94 | 0 | $331K | 1956–2026 |
| #9 | Minidoka County | 82 | 0 | $673K | 1958–2025 |
| #10 | Fremont County | 81 | 3 | $147K | 1965–2025 |
| #11 | Canyon County | 68 | 0 | $480K | 1956–2023 |
| #12 | Twin Falls County | 63 | 0 | $1.3M | 1958–2025 |
| #13 | Bonner County | 57 | 2 | $5.0M | 1964–2024 |
| #14 | Blaine County | 57 | 0 | $122K | 1967–2025 |
| #15 | Lemhi County | 57 | 0 | $147K | 1976–2025 |
| #16 | Elmore County | 56 | 3 | $555K | 1964–2025 |
| #17 | Bear Lake County | 56 | 4 | $127K | 1989–2026 |
| #18 | Idaho County | 50 | 2 | $562K | 1957–2024 |
| #19 | Madison County | 50 | 0 | $884K | 1979–2025 |
| #20 | Lincoln County | 49 | 0 | $38K | 1956–2025 |
| #21 | Nez Perce County | 48 | 0 | $174K | 1956–2023 |
| #22 | Oneida County | 47 | 0 | $108K | 1964–2025 |
| #23 | Clark County | 46 | 0 | $0 | 1956–2026 |
| #24 | Owyhee County | 42 | 0 | $150K | 1959–2025 |
| #25 | Kootenai County | 41 | 0 | $1.1M | 1968–2024 |
Significant events
Deadliest thunderstorm wind events in Idaho
| Date | County | Scale | Deaths | Injuries |
|---|---|---|---|---|
| Jun 1, 2015 | Bear Lake County | — | 4 | 3 |
| May 1, 2021 | Elmore County | — | 3 | 5 |
| Apr 23, 1986 | Fremont County | — | 3 | 0 |
| Aug 10, 1988 | Cassia County | — | 2 | 10 |
| Jul 8, 1992 | Idaho County | — | 2 | 0 |
| Jun 25, 2020 | Bonner County | — | 1 | 0 |
| Sep 26, 2024 | Bonner County | — | 1 | 0 |
| Aug 21, 2011 | Bonneville County | — | 1 | 0 |
| Aug 22, 2010 | Boise County | — | 1 | 0 |
| Aug 13, 1989 | Shoshone County | — | 1 | 0 |