11,906
Recorded events
44
Counties covered
100
Direct deaths
$1.1B
Property damage
Idaho severe weather history covers 11,906 recorded events across 44 counties between 1954 and 2026.
The Idaho severe weather history record is dominated by heavy snow, which accounts for 29.6% of everything logged statewide across 0 counties. Statewide, recorded events have caused 100 direct deaths since 1950.
By hazard type
Idaho severe weather history by hazard
| Hazard | Events | Counties | Deaths | Damage | Span |
|---|---|---|---|---|---|
| Heavy Snow | 3,527 | 0 | 10 | $115.0M | 1996–2026 |
| Thunderstorm Wind | 2,544 | 44 | 19 | $21.1M | 1955–2026 |
| Hail | 1,105 | 44 | 0 | $33.3M | 1956–2025 |
| Winter Storm | 913 | 0 | 9 | $1.6M | 1996–2026 |
| High Wind | 778 | 0 | 2 | $22.1M | 1996–2026 |
| Flood | 468 | 43 | 0 | $197.2M | 1996–2026 |
| Wildfire | 428 | 28 | 3 | $693.4M | 1996–2025 |
| Winter Weather | 405 | 0 | 6 | $1.7M | 2003–2026 |
| Flash Flood | 321 | 38 | 2 | $25.5M | 1996–2025 |
| Heavy Rain | 261 | 40 | 1 | $1.8M | 1996–2024 |
| Tornado | 224 | 40 | 0 | $9.5M | 1954–2025 |
| Funnel Cloud | 142 | 33 | 0 | $2K | 1996–2026 |
| Extreme Cold/Wind Chill | 133 | 0 | 1 | $0 | 2001–2025 |
| Strong Wind | 91 | 0 | 0 | $569K | 2002–2025 |
| Avalanche | 91 | 0 | 35 | $251K | 1998–2026 |
| Blizzard | 86 | 0 | 3 | $500K | 1997–2024 |
| Debris Flow | 76 | 21 | 0 | $8.8M | 1997–2025 |
| Lightning | 75 | 22 | 4 | $2.5M | 1996–2025 |
| Heat | 44 | 0 | 1 | $0 | 2002–2026 |
| Dust Storm | 41 | 0 | 1 | $322K | 1997–2025 |
| Cold/Wind Chill | 35 | 0 | 2 | $50K | 1996–2023 |
| Excessive Heat | 26 | 0 | 0 | $0 | 2018–2024 |
| Dense Fog | 19 | 0 | 0 | $373K | 1996–2023 |
| Frost/Freeze | 19 | 0 | 0 | $0 | 2006–2026 |
| Drought | 18 | 0 | 0 | $0 | 2001–2002 |
| Dense Smoke | 15 | 0 | 0 | $0 | 2017–2020 |
| Freezing Fog | 8 | 0 | 1 | $10K | 2014–2024 |
| Ice Storm | 7 | 0 | 0 | $0 | 2010–2017 |
| Dust Devil | 3 | 3 | 0 | $5K | 2013–2022 |
| Sleet | 3 | 0 | 0 | $10K | 2019–2023 |
County index
Most active counties
| County | Events | Deaths |
|---|---|---|
| Bannock County | 310 | 0 |
| Bingham County | 285 | 0 |
| Butte County | 255 | 0 |
| Cassia County | 243 | 4 |
| Jefferson County | 234 | 0 |
| Bonneville County | 223 | 1 |
| Ada County | 214 | 0 |
| Power County | 196 | 0 |
| Idaho County | 155 | 2 |
| Fremont County | 153 | 3 |
| Twin Falls County | 148 | 0 |
| Lemhi County | 135 | 3 |
| Kootenai County | 134 | 0 |
| Elmore County | 130 | 3 |
| Bonner County | 125 | 2 |
| Nez Perce County | 125 | 0 |
| Canyon County | 121 | 2 |
| Minidoka County | 117 | 0 |
| Owyhee County | 115 | 1 |
| Blaine County | 114 | 0 |
| Madison County | 112 | 0 |
| Caribou County | 105 | 0 |
| Latah County | 99 | 0 |
| Boise County | 99 | 1 |
| Clearwater County | 93 | 0 |
Full index
Every county in Idaho
- Bannock County
- Bingham County
- Butte County
- Cassia County
- Jefferson County
- Bonneville County
- Ada County
- Power County
- Idaho County
- Fremont County
- Twin Falls County
- Lemhi County
- Kootenai County
- Elmore County
- Bonner County
- Nez Perce County
- Canyon County
- Minidoka County
- Owyhee County
- Blaine County
- Madison County
- Caribou County
- Latah County
- Boise County
- Clearwater County
- Oneida County
- Shoshone County
- Lincoln County
- Bear Lake County
- Clark County
- Teton County
- Valley County
- Custer County
- Boundary County
- Washington County
- Payette County
- Lewis County
- Jerome County
- Benewah County
- Franklin County
- Gooding County
- Gem County
- Adams County
- Camas County
Quick answers
Frequently asked
How many severe weather events are recorded in Idaho?
11,906 events are on record across Idaho, covering 44 counties between 1954 and 2026.
Which county in Idaho has the most severe weather on record?
Bannock County leads Idaho with 310 recorded events. Ranking reflects reported events, so densely populated counties tend to report more than sparsely populated ones.
Where does the Idaho severe weather history data come from?
Totals are aggregated from the NOAA/NCEI Storm Events Database, the federal public-domain archive of United States severe weather reports, with FEMA and U.S. Census records providing risk and population context. Dates are UTC and recent entries may still be revised.
Cite this page
“Idaho Severe Weather History.” Severe Weather History. severeweatherhistory.com/state/idaho/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.