Hail reports Idaho
No hail reports arrived in Idaho in the last 24 hours. The state averages about 26 reports a year, and its largest stone on record measured 2.75 inches at Idaho Falls on Sep 13, 2001.
From 2005 through 2025, the Storm Events Database logs about 26 hail reports in Idaho a year, across about 11 days.
Largest hailstones on record in Idaho
| Diameter | Size | Place | Date |
|---|---|---|---|
| 2.75 inches | Baseball | Idaho Falls, Bonneville County | Sep 13, 2001 |
| 2.75 inches | Baseball | Summit, Nez Perce County | Jul 20, 2012 |
| 2.75 inches | Baseball | Lucile, Idaho County | Aug 9, 2019 |
| 2.75 inches | Baseball | State Line, Kootenai County | Aug 11, 2022 |
| 2.50 inches | Tennis ball | Keuterville, Idaho County | Jul 11, 1998 |
| 2.50 inches | Tennis ball | Summit, Nez Perce County | Jul 20, 2012 |
| 2.50 inches | Tennis ball | Myrtle, Nez Perce County | Jul 20, 2012 |
| 2.10 inches | Hen egg | Woodland, Idaho County | Jun 5, 2022 |
| 2.00 inches | Hen egg | Montpelier, Bear Lake County | Jun 23, 2011 |
| 2.00 inches | Hen egg | Chubbuck, Bannock County | Jun 1, 2015 |
Record figures come from the Storm Events Database at NCEI, a reviewed log that trails live reports by 2 to 3 months. Records start in 1996 and averages cover 2005-2025.
Hail reports by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reports | 0.0 | 0.0 | 0.1 | 2 | 4 | 7 | 5 | 6 | 2 | 0.3 | 0.0 | 0.0 |
Counties in Idaho with the most hail reports
| County | Reports a year |
|---|---|
| Idaho | 1.6 |
| Bannock | 1.5 |
| Bonneville | 1.4 |
| Clearwater | 1.2 |
| Twin Falls | 1.2 |
| Caribou | 1.2 |
| Bingham | 1.1 |
| Lemhi | 1.0 |
| Fremont | 1.0 |
| Bonner | 0.9 |
Cities in Idaho with hail data
| City | Reports a year | Largest since 1996 |
|---|---|---|
| Boise | 1.3 | 2.00 inches May 25, 2018 |
National Weather Service offices file Local Storm Reports; the Iowa Environmental Mesonet of Iowa State University relays them to this page, where they appear as live spotter reports. Under 17 U.S.C. 105, no copyright attaches to the government-produced figures on this page, including reports, alerts, station observations, and normals, which were created by the National Weather Service and other NOAA offices. The notice that 17 U.S.C. 403 requires appears in this sentence. It does not imply endorsement by or affiliation with those agencies. See: Data sources and attribution.