Hail history for Imperial County, California
Every NOAA hail report filed in Imperial County since 1990, with preliminary National Weather Service reports to November 3, 2026.
Readout · Imperial County
- Last hail
- Jul 18, 2015
- 1.25 in, half dollar size
- Hail days, last 5 years
- 0
- since Nov 3, 2021 · 0 reports
- Largest ever
- 1.75 in
- golf ball · Aug 27, 2010
10 reports on 9 days since 1990 · #31 of 47 California counties
Hail map · Imperial 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 Imperial County is from July 18, 2015. A local roofer can check and document it at no cost.
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What the record says about Imperial County
The latest hail report in Imperial County is from July 18, 2015, 1.25 in (half dollar size). There has been no hail report here in the five years since November 3, 2021.
Over the 20 years 2006–2025, Imperial County logged 7 reports on 6 hail days, about 0.3 reports a year. That is 13% less than the median California county (0.4 a year) and ranks #31 of 47 California counties for all-time reports. Imperial County holds 1% of all 938 hail reports in California.
0% of reports with a size were 2 inches (hen egg) or larger, against 0% for the median California county. The largest hail on record here is 1.75 in (golf ball) on August 27, 2010 near Brawley.
The busiest year was 2010, with 2 reports on 1 day. Hail here peaks in August (50% of reports); 0% fall between April and June.
Reports a year 2006–2025 average
- Imperial County 0.3
- Median California county 0.4
Hail days 2006–2025
- Imperial County 6
- Median California county 7
Share 2 in or larger of sized reports
- Imperial County 0%
- Median California 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 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| Aug 27, 2010 | 1.75 ingolf ball | Brawley | 15:33 local · NCEI |
| Aug 7, 2008 | 1.75 ingolf ball | 4.95 ENE Sandia | 14:32 local · NCEI |
| Aug 14, 1990 | 1.75 ingolf ball | — | 21:30 local · NCEI |
| Aug 27, 2010 | 1.50 inping pong ball | 0.9 NW El Centro | 15:27 local · NCEI |
| Jul 18, 2015 | 1.25 inhalf dollar | Heber | 12:54 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 4 40%
- 1–2 in 6 60%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Jul 18, 2015 | 1.25 inhalf dollar | Heber | 12:54 local · NCEI |
| Aug 21, 2014 | 0.75 inpenny | 0.9 NW El Centro | 12:45 local · NCEI |
| Sep 9, 2013 | 1.00 inquarter | Brawley | 17:10 local · NCEI |
| Aug 27, 2010 | 1.75 ingolf ball | Brawley | 15:33 local · NCEI |
| Aug 27, 2010 | 1.50 inping pong ball | 0.9 NW El Centro | 15:27 local · NCEI |
| Aug 7, 2008 | 1.75 ingolf ball | 4.95 ENE Sandia | 14:32 local · NCEI |
| Sep 4, 2007 | 0.75 inpenny | 1.35 ENE Coyote Wells | 16:00 local · NCEI |
| Feb 19, 2005 | 0.75 inpenny | Niland | 15:20 local · NCEI |
| Oct 23, 1992 | 0.75 inpenny | — | 02:29 local · NCEI |
| Aug 14, 1990 | 1.75 ingolf ball | — | 21:30 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 |
|---|---|---|---|
| El Centro | 3 | 3 | Aug 21, 2014 |
| Brawley | 2 | 2 | Sep 9, 2013 |
| Heber | 1 | 1 | Jul 18, 2015 |
| Imperial | 1 | 1 | Oct 23, 1992 |
| Niland | 1 | 1 | Feb 19, 2005 |
| Ocotillo | 1 | 1 | Sep 4, 2007 |
Questions about hail in Imperial County
How often does it hail in Imperial County, California?
10 hail reports have been logged in Imperial County since 1990. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #31 of 47 California counties by number of reports.
When is hail season in Imperial County?
Most reports come in August, September, February. August alone accounts for 50% of all reports.
What is the largest hail recorded in Imperial County?
1.75 in (golf ball size) on August 27, 2010 near Brawley. 0% of reports here were 2 inches or larger.
When did it last hail in Imperial County?
The most recent report in this data is from July 18, 2015 (1.25 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Imperial County had in the last five years?
None: there has been no hail report in Imperial County since November 3, 2021. The last one was on July 18, 2015.
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.