Hail history for Idaho Falls, Idaho
NOAA hail reports in and within about 5 km (3 miles) of Idaho Falls since 1998, with preliminary reports to November 3, 2026.
Readout · Idaho Falls
- Last hail
- Sep 17, 2026
- 1.00 in, quarter size · preliminary
- Hail days, last 5 years
- 1
- since Nov 3, 2021 · 2 reports
- Largest ever
- 2.75 in
- baseball · Sep 13, 2001
13 reports on 12 days since 1998 · #5 of 12 Idaho places
Hail map · Idaho Falls
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
Roof damage after hail? Get a free inspection
Hail bruises shingles and cracks seals in ways you can't see from the ground, and most insurers set a claim deadline after the storm. The latest hail report in Idaho Falls is from September 17, 2026. A local roofer can check and document it at no cost.
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What the record says about Idaho Falls
The latest hail report in and around Idaho Falls is from September 17, 2026, 1.00 in (quarter size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.00 in on September 17, 2026.
Over the 20 years 2006–2025, Idaho Falls logged 7 reports on 7 hail days, about 0.3 reports a year. That is 40% more than the median Idaho town on this site (0.3 a year) and ranks #5 of 12 Idaho cities and towns on this site for all-time reports. Idaho Falls accounts for 28% of the 46 reports filed in Bonneville County.
15% of reports with a size were 2 inches (hen egg) or larger, against 0% for the median Idaho town on this site. The largest hail on record here is 2.75 in (baseball) on September 13, 2001 near 5 SW Idaho Falls.
The busiest year was 2026, with 2 reports on 1 day. Hail here peaks in September (38% of reports); 38% fall between April and June.
Reports a year 2006–2025 average
- Idaho Falls 0.3
- Bonneville County 1.5
- Median Idaho town on this site 0.3
Hail days 2006–2025
- Idaho Falls 7
- Bonneville County 21
- Median Idaho town on this site 4
Share 2 in or larger of sized reports
- Idaho Falls 15%
- Bonneville County 4%
- Median Idaho town on this site 0%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 2 | 2 | |||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 1 | 1 | |||||||||||
| 2019 | 1 | 1 | |||||||||||
| 2018 | 1 | 1 | 2 | ||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Sep 17, 2026 | 2 | 1.00 in | View |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Sep 13, 2001 | 2.75 inbaseball | 5 SW Idaho Falls | Bonneville | — | 14:45 local · NCEI |
| Apr 7, 2018 | 2.00 inhen egg | Idaho Falls | Bonneville | $29.8 million | 18:05 local · NCEI |
| Jun 12, 2017 | 1.25 inhalf dollar | Idaho Falls | Bonneville | $1K | 09:50 local · NCEI |
| Sep 17, 2026 | 1.00 inquarter | Idaho Falls | Bonneville | — | 05:00 UTC · NWS prelim. |
| Sep 17, 2026 | 1.00 inquarter | Idaho Falls | Bonneville | — | 04:15 UTC · NWS prelim. |
Size of every report
- Under 1 in 4 31%
- 1–2 in 7 54%
- 2 in + 2 15%
Most recent reports
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Sep 17, 2026 | 1.00 inquarter | Idaho Falls | Bonneville | — | 05:00 UTC · NWS prelim. |
| Sep 17, 2026 | 1.00 inquarter | Idaho Falls | Bonneville | — | 04:15 UTC · NWS prelim. |
| Sep 19, 2020 | 1.00 inquarter | 1 W Idaho Falls | Bonneville | — | 16:10 local · NCEI |
| Jun 13, 2019 | 1.00 inquarter | Cotton | Bonneville | — | 13:13 local · NCEI |
| May 31, 2018 | 1.00 inquarter | Idaho Falls | Bonneville | — | 16:00 local · NCEI |
| Apr 7, 2018 | 2.00 inhen egg | Idaho Falls | Bonneville | $29.8 million | 18:05 local · NCEI |
| Jun 12, 2017 | 1.25 inhalf dollar | Idaho Falls | Bonneville | $1K | 09:50 local · NCEI |
| Aug 27, 2015 | 1.00 inquarter | Idaho Falls | Bonneville | — | 16:00 local · NCEI |
| Sep 21, 2006 | 0.75 inpenny | Idaho Falls | Bonneville | — | 15:00 local · NCEI |
| Aug 8, 2003 | 0.75 inpenny | Idaho Falls | Bonneville | — | 16:00 local · NCEI |
| Aug 3, 2002 | 0.75 inpenny | Idaho Falls | Bonneville | — | 18:00 local · NCEI |
| Sep 13, 2001 | 2.75 inbaseball | 5 SW Idaho Falls | Bonneville | — | 14:45 local · NCEI |
Hail history near Idaho Falls
- Blackfoot 41 km · 12
- Rexburg 42 km · 12
- St. Anthony 60 km · 10
Questions about hail in Idaho Falls
How often does it hail in Idaho Falls, Idaho?
13 hail reports have been logged in and within about 5 km (3 miles) of Idaho Falls since 1998. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #5 of 12 Idaho places by number of reports.
When is hail season in Idaho Falls?
Most reports come in September, August, May. September alone accounts for 38% of all reports.
What is the largest hail recorded in Idaho Falls?
2.75 in (baseball size) on September 13, 2001 near 5 SW Idaho Falls. 15% of reports here were 2 inches or larger.
When did it last hail in Idaho Falls?
The most recent report in this data is from September 17, 2026 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Idaho Falls had in the last five years?
1 separate days with hail reports since November 3, 2021, adding up to 2 reports. The most recent was September 17, 2026.
Where does this hail data come from?
Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.