Hail history for Cassia County, Idaho
Every NOAA hail report filed in Cassia County since 1963, with preliminary National Weather Service reports to November 3, 2026.
Readout · Cassia County
- Last hail
- Aug 26, 2023
- 1.00 in, quarter size
- Hail days, last 5 years
- 3
- since Nov 3, 2021 · 4 reports
- Largest ever
- 1.75 in
- golf ball · May 24, 2023
59 reports on 37 days since 1963 · #3 of 45 Idaho counties
Hail map · Cassia County
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
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What the record says about Cassia County
The latest hail report in Cassia County is from August 26, 2023, 1.00 in (quarter size). Since November 3, 2021 there have been 3 separate hail days; the biggest stones in that time were 1.75 in on May 24, 2023.
Over the 20 years 2006–2025, Cassia County logged 13 reports on 11 hail days, about 0.7 reports a year. That is 30% more than the median Idaho county (0.5 a year) and ranks #3 of 45 Idaho counties for all-time reports. Cassia County holds 5% 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 May 24, 2023 near Burley.
Reports were up 17% in 2016–2025 (7) compared with 2006–2015 (6). The busiest year was 1997, with 19 reports on 8 days. Hail here peaks in May (29% of reports); 49% fall between April and June.
Reports a year 2006–2025 average
- Cassia County 0.7
- Median Idaho county 0.5
Hail days 2006–2025
- Cassia County 11
- Median Idaho county 8
Share 2 in or larger of sized reports
- Cassia 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 | 0 | ||||||||||||
| 2023 | 3 | 1 | 4 | ||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 1 | 1 | |||||||||||
| 2018 | 2 | 2 | |||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Aug 26, 2023 | 1 | 1.00 in | — |
| May 26, 2023 | 1 | 1.00 in | — |
| May 24, 2023 | 2 | 1.75 in | — |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| May 24, 2023 | 1.75 ingolf ball | Burley | 14:55 local · NCEI |
| May 24, 2023 | 1.75 ingolf ball | Burley | 14:36 local · NCEI |
| Jun 21, 2009 | 1.75 ingolf ball | 15 NNW Idahome | 13:20 local · NCEI |
| Aug 12, 1997 | 1.75 ingolf ball | 7 SE Burley | 14:05 local · NCEI |
| May 21, 1997 | 1.75 ingolf ball | Idahome | 12:50 local · NCEI |
Size of every report
- Under 1 in 26 44%
- 1–2 in 33 56%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Aug 26, 2023 | 1.00 inquarter | 7 WSW Churchill | 14:45 local · NCEI |
| May 26, 2023 | 1.00 inquarter | Heglar | 14:17 local · NCEI |
| May 24, 2023 | 1.75 ingolf ball | Burley | 14:55 local · NCEI |
| May 24, 2023 | 1.75 ingolf ball | Burley | 14:36 local · NCEI |
| Sep 10, 2019 | 1.25 inhalf dollar | 12 SE Almo | 15:25 local · NCEI |
| May 30, 2018 | 1.25 inhalf dollar | 20 SW Burley | 17:00 local · NCEI |
| May 26, 2018 | 1.00 inquarter | Burley | 14:40 local · NCEI |
| Jun 15, 2015 | 1.00 inquarter | 2 NNE Malta | 16:30 local · NCEI |
| Jun 1, 2015 | 1.50 inping pong ball | 10 SE Almo | 14:20 local · NCEI |
| Jun 21, 2009 | 1.75 ingolf ball | 15 NNW Idahome | 13:20 local · NCEI |
| Aug 22, 2007 | 1.00 inquarter | Albion | 12:00 local · NCEI |
| Aug 22, 2007 | 1.00 inquarter | 2 SSE Burley | 10:55 local · NCEI |
Cities and towns in Cassia County
| Place | Reports | Largest |
|---|---|---|
| Burley | 10 | 1.75 in |
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 |
|---|---|---|---|
| Albion | 5 | 5 | Aug 22, 2007 |
| Oakley | 4 | 4 | May 29, 2005 |
| Malta | 1 | 1 | Jun 15, 2015 |
Questions about hail in Cassia County
How often does it hail in Cassia County, Idaho?
59 hail reports have been logged in Cassia County since 1963. Over the 20 years 2006–2025 that averages 0.7 reports a year. That ranks #3 of 45 Idaho counties by number of reports.
When is hail season in Cassia County?
Most reports come in May, August, July. May alone accounts for 29% of all reports.
What is the largest hail recorded in Cassia County?
1.75 in (golf ball size) on May 24, 2023 near Burley. 0% of reports here were 2 inches or larger.
When did it last hail in Cassia County?
The most recent report in this data is from August 26, 2023 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Cassia County had in the last five years?
3 separate days with hail reports since November 3, 2021, adding up to 4 reports. The most recent was August 26, 2023.
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.