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Hail in Riverside County, California
31 hail events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Hail.
NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.
NCEI records 31 hail events in Riverside County, California, between 1950 and 2026, spread over 18 years.
September is the busiest month, with 9 of the recorded events. The last 20 years account for 16 events against 13 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 3.3% of the 936 hail events recorded in California; its 0.4 per 100 square miles compares with 0.6 statewide.
1 of the hail reports with a recorded size were golf-ball size (1.75 inches) or larger; the largest recorded stone was 2.75 inches (baseball size).
Compared with California
| Measure | Riverside County | California | US |
|---|---|---|---|
| Hail events since 1950 | 31 | 936 | 424,356 |
| Per 100 square miles | 0.4 | 0.6 | 12.0 |
| Per 10,000 residents | 0.1 | 0.2 | 12.8 |
| Deaths recorded | 0 | 2 | 29 |
| Busiest month | September | March | May |
By year
Seasonality
1Feb
0Mar
2Apr
3May
2Jun
0Jul
5Aug
7Sep
9Oct
2Nov
0Dec
0
Magnitude distribution
NWS hail-size descriptors
- under 1 in
- pea to quarter
- 1–1.74 in
- quarter to golf ball
- 1.75–2.74 in
- golf ball to baseball
- 2.75–3.99 in
- baseball to softball
- 4 in and larger
- softball and larger
Hail size in inches as recorded by NCEI; events without a size are not binned.
Recorded events
All 31 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.
| Date | Event type | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|
| 26 Apr 2025 | Hail | 0.50 in | — | — | — | 1 | County |
| 8 Sep 2024 | Hail | 0.75 in | $10K | — | — | — | County |
| 8 Sep 2024 | Hail | 1.00 in | $20K | — | — | — | County |
| 8 Sep 2024 | Hail | 0.75 in | $10K | — | — | — | County |
| 14 Jul 2024 | Hail | 1.00 in | $20K | — | — | — | County |
| 11 Mar 2021 | Hail | 0.50 in | $10K | — | — | — | County |
| 12 Oct 2018 | Hail | 1.00 in | — | — | — | — | County |
| 8 Sep 2015 | Hail | 1.00 in | — | — | — | — | County |
| 20 Aug 2014 | Hail | 1.00 in | — | — | — | — | County |
| 20 Aug 2014 | Hail | 1.00 in | $500 | — | — | — | County |
| 3 Sep 2013 | Hail | 0.88 in | $1K | — | — | — | County |
| 24 Aug 2013 | Hail | 1.00 in | — | — | — | — | County |
| 30 Aug 2008 | Hail | 1.50 in | — | — | — | 2 | County |
| 4 Aug 2008 | Hail | 0.88 in | — | — | — | — | County |
| 22 May 2008 | Hail | 0.88 in | $5K | — | — | — | County |
| 22 May 2008 | Hail | 0.75 in | — | — | — | — | County |
| 5 Apr 2006 | Hail | 0.75 in | — | — | — | — | County |
| 23 Jul 2005 | Hail | 0.88 in | — | — | — | — | County |
| 23 Jul 2005 | Hail | 0.75 in | — | — | — | — | County |
| 23 Jul 2005 | Hail | 0.75 in | — | — | — | — | County |
| 9 Sep 2004 | Hail | 0.75 in | — | — | — | — | County |
| 24 Jul 2004 | Hail | 0.88 in | — | — | — | — | County |
| 13 Oct 1994 | Hail | 1.00 in | — | — | — | — | County |
| 26 Apr 1994 | Hail | 0.75 in | — | — | — | — | County |
| 26 Mar 1993 | Hail | 0.00 in | — | — | — | — | County |
| 18 Jan 1993 | Hail | 0.50 in | — | — | — | — | County |
| 5 Sep 1991 | Hail | 1.50 in | — | — | — | — | County |
| 10 Aug 1990 | Hail | 0.75 in | — | — | — | — | County |
| 9 Aug 1989 | Hail | 0.75 in | — | — | — | — | County |
| 13 Sep 1979 | Hail | 1.00 in | — | — | — | — | County |
| 2 Sep 1960 | Hail | 2.75 in | — | — | — | — | County |
Questions and answers
How many hail events has Riverside County had?
31 events in the NCEI Storm Events record between 1950 and 2026. Reporting of hail became far more complete after 1996, so early decades undercount.
When was the last recorded hail event in Riverside County?
26 Apr 2025 (Hail, 0.50 in). Records reach NCEI about 120 days after the month ends.
What was the most damaging hail event recorded in Riverside County?
The hail of 14 Jul 2024, with property damage estimated by NCEI at $20K.
How does Riverside County compare with California for hail?
0.4 events per 100 square miles against 0.6 statewide; the county holds 31 of the state's 936 recorded events.
Provenance
NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 1 Oct 2026. See the methodology, the Hail hub and the county page.