HailHistoryHail by county › Idaho

Idaho · 44 counties

Hail history in Idaho

Idaho has 1,098 recorded hail events in the NOAA Storm Events Database since 1950 — 699 of them 1″ or larger. The largest on record: 3.0″ (tea cup) in Lewis County on July 14, 1975.

Recorded events 1,098 since 1950
1″ or larger 699 NWS severe threshold
Largest recorded 3.0 tea cup · Lewis County
Peak month Jun most recorded events

When it hails in Idaho

1 Jan 2 Feb 7 Mar 57 Apr 191 May 273 Jun 251 Jul 225 Aug 79 Sep 10 Oct 1 Nov 1 Dec

All recorded Idaho events by month, 1950–present · data through April 2026.

Every Idaho county, ranked by recorded hail

Recorded hail events per county · NOAA Storm Events Database · through April 2026
County Events ≥1″ Largest Most recent
Bannock County 80 47 2.0″ 2025
Idaho County 65 52 2.75″ 2025
Cassia County 59 33 1.75″ 2023
Twin Falls County 48 26 2.0″ 2023
Bonneville County 44 28 2.75″ 2025
Caribou County 44 30 1.75″ 2025
Bingham County 43 27 1.75″ 2025
Ada County 41 23 1.5″ 2024
Fremont County 40 27 1.75″ 2025
Clearwater County 33 25 2.0″ 2022
Lemhi County 32 24 1.75″ 2024
Nez Perce County 31 19 2.75″ 2012
Bonner County 29 19 1.75″ 2025
Jefferson County 29 22 1.75″ 2024
Power County 29 21 1.75″ 2025
Canyon County 27 15 2.0″ 2022
Owyhee County 27 11 1.75″ 2022
Butte County 26 14 1.75″ 2024
Lewis County 24 20 3.0″ 2022
Kootenai County 23 11 2.75″ 2023
Boise County 21 14 2.0″ 2024
Latah County 20 17 1.75″ 2022
Madison County 20 15 1.75″ 2018
Minidoka County 19 13 1.75″ 2023
Elmore County 18 9 1.75″ 2022
Franklin County 17 14 1.75″ 2018
Shoshone County 17 10 2.75″ 2025
Teton County 17 8 1.75″ 2015
Valley County 15 7 1.75″ 2022
Boundary County 14 5 1.75″ 2016
Benewah County 13 7 1.75″ 2019
Bear Lake County 12 10 2.0″ 2017
Gem County 12 7 1.75″ 2016
Gooding County 12 9 1.75″ 2022
Jerome County 12 9 1.75″ 2019
Lincoln County 12 7 1.75″ 2014
Custer County 11 9 1.75″ 2024
Oneida County 11 7 1.75″ 2023
Clark County 10 5 1.75″ 2014
Payette County 10 6 1.75″ 2024
Washington County 10 4 1.75″ 2012
Blaine County 9 5 1.75″ 2019
Adams County 6 3 1.75″ 2022
Camas County 6 5 1.5″ 2023
Read the record honestly: Storm Events contains what was reported to the National Weather Service. Populated counties report more; rural counties under-report. County-to-county comparisons say as much about reporting as about weather.

Questions about hail in Idaho

How often does it hail in Idaho?

The NOAA Storm Events Database records 1,098 hail events for Idaho since 1950, 699 of them 1″ (quarter size) or larger. Recorded frequency varies sharply by county — the table on this page ranks all 44.

What is the largest hail ever recorded in Idaho?

3.0″ (tea cup), recorded in Lewis County on July 14, 1975. See it at true size on the actual-size hail chart.

When is hail season in Idaho?

Recorded events peak in June. The by-month chart on this page shows the full seasonal shape — and each county page carries its own, since timing shifts across the state.

How do I check hail history for my address in Idaho?

Storm Events records events at the county level, so pick your county below or use the ZIP lookup. For "did it hail on this date" claim questions, the date lookup searches every recorded Idaho event.

Source: NOAA/NCEI Storm Events Database, public domain. Each county page shows the full event timeline, month profile, and storm-report narratives.