Hail history for Custer County, Idaho
Every NOAA hail report filed in Custer County since 1984, with preliminary National Weather Service reports to November 3, 2026.
Readout · Custer County
- Last hail
- Aug 10, 2024
- 1.00 in, quarter size
- Hail days, last 5 years
- 1
- since Nov 3, 2021 · 2 reports
- Largest ever
- 1.75 in
- golf ball · Aug 24, 1984
11 reports on 9 days since 1984 · #38 of 45 Idaho counties
Hail map · Custer County
- 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 Custer County is from August 10, 2024. A local roofer can check and document it at no cost.
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What the record says about Custer County
The latest hail report in Custer County is from August 10, 2024, 1.00 in (quarter size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.25 in on August 10, 2024.
Over the 20 years 2006–2025, Custer County logged 5 reports on 4 hail days, about 0.3 reports a year. That is about half the median Idaho county (0.5 a year) and ranks #38 of 45 Idaho counties for all-time reports. Custer County holds 1% of all 1,140 hail reports in Idaho.
0% of reports with a size were 2 inches (hen egg) or larger, against 0% for the median Idaho county. The largest hail on record here is 1.75 in (golf ball) on August 24, 1984.
The busiest year was 2024, with 2 reports on 1 day. Hail here peaks in August (55% of reports); 18% fall between April and June.
Reports a year 2006–2025 average
- Custer County 0.3
- Median Idaho county 0.5
Hail days 2006–2025
- Custer County 4
- Median Idaho county 8
Share 2 in or larger of sized reports
- Custer County 0%
- Median Idaho county 0%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 2 | 2 | |||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Aug 10, 2024 | 2 | 1.25 in | — |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| Aug 24, 1984 | 1.75 ingolf ball | — | 15:35 local · NCEI |
| Aug 24, 1984 | 1.75 ingolf ball | — | 13:00 local · NCEI |
| Aug 10, 2024 | 1.25 inhalf dollar | 5 E Mackay | 14:51 local · NCEI |
| Aug 10, 2024 | 1.00 inquarter | 6 ESE Mackay | 14:53 local · NCEI |
| Jun 1, 2015 | 1.00 inquarter | Leslie | 12:50 local · NCEI |
Sizes filed before 1996 are often rough estimates (round numbers like 7.00 or 8.00 in) without an exact spot; they are shown as NOAA filed them.
Size of every report
- Under 1 in 2 18%
- 1–2 in 9 82%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Aug 10, 2024 | 1.00 inquarter | 6 ESE Mackay | — | 14:53 local · NCEI |
| Aug 10, 2024 | 1.25 inhalf dollar | 5 E Mackay | — | 14:51 local · NCEI |
| Jun 1, 2015 | 1.00 inquarter | Leslie | — | 12:50 local · NCEI |
| Jul 17, 2007 | 0.75 inpenny | Challis | — | 14:50 local · NCEI |
| Jul 13, 2007 | 1.00 inquarter | 4 ESE Mackay | — | 18:50 local · NCEI |
| Jul 17, 2000 | 1.00 inquarter | Leslie | $2K | 14:30 local · NCEI |
| Aug 13, 1999 | 1.00 inquarter | Dickey | — | 09:55 local · NCEI |
| Aug 7, 1997 | 1.00 inquarter | Mackay | — | 16:18 local · NCEI |
| May 31, 1997 | 0.75 inpenny | 8 NE Dickey | — | 14:00 local · NCEI |
| Aug 24, 1984 | 1.75 ingolf ball | — | — | 15:35 local · NCEI |
| Aug 24, 1984 | 1.75 ingolf ball | — | — | 13:00 local · NCEI |
Smaller places with fewer than 10 reports
These places have too few reports for a page of their own, so their record lives here.
| Place | Reports | Hail days | Latest |
|---|---|---|---|
| Mackay | 2 | 2 | Jul 13, 2007 |
| Challis | 1 | 1 | Jul 17, 2007 |
Questions about hail in Custer County
How often does it hail in Custer County, Idaho?
11 hail reports have been logged in Custer County since 1984. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #38 of 45 Idaho counties by number of reports.
When is hail season in Custer County?
Most reports come in August, July, May. August alone accounts for 55% of all reports.
What is the largest hail recorded in Custer County?
1.75 in (golf ball size) on August 24, 1984. 0% of reports here were 2 inches or larger.
When did it last hail in Custer County?
The most recent report in this data is from August 10, 2024 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Custer County 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 August 10, 2024.
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.