Hail in Idaho — where it hits, county by county
Idaho logged 276 National Weather Service hail reports over the last 5 years — meaningful but not hail-alley volume. The table below ranks the counties; the interactive national map shows exactly where, year by year. Checking a specific address? The map’s search box pulls every dated report within 25 miles.
Open the interactive map on Idaho →Top hail counties in Idaho (2022–2026)
| County | Reports | Avg/yr | Peak month | % damaging (≥1.5″) |
|---|---|---|---|---|
| Bannock | 86 | 17.2 | Jun | 1% |
| BONNEVILLE | 38 | 7.6 | Jun | 0% |
| Fremont | 36 | 7.2 | Aug | 0% |
| Caribou | 29 | 5.8 | Jul | 17% |
| Teton | 28 | 5.6 | May | 4% |
| IDAHO | 17 | 3.4 | Jun | 29% |
| Ada | 15 | 3.0 | Apr | 0% |
| Jefferson | 14 | 2.8 | Aug | 0% |
| KOOTENAI | 13 | 2.6 | Aug | 23% |
Idaho hail — the questions people ask
Where does it hail the most in Idaho?
By reported hail over the last 5 years, the most active counties in Idaho are Bannock, BONNEVILLE, Fremont. Reports track population and spotter coverage as well as storms, so rural corridors can be under-counted; the persistent leaders on this table are real hail geography.
When is hail season in Idaho?
Reported hail in Idaho peaks around June, with most activity in the spring-through-midsummer window. Any single year can break the pattern.
How much of Idaho's hail is damaging?
On this page, damaging means reported stones of 1.5″ or larger — the size that reliably dents roofs and vehicles and strips crops. The per-county damaging share is in the table; statewide, hail of any size totaled 276 reports over 5 years.