Hail history for San Bernardino County, CA

San Bernardino County has 67 recorded hail events in the NOAA Storm Events Database — 32 of them 1″ or larger and 1 at 2″ or larger. The largest on record: 2.0″ (hen egg) on September 12, 1999.

Records 1950–present Data through April 2026 Peak month August

Core sample · every recorded event, 1955–2026

Mark size = measured hail diameter; slivers are events with no recorded size. Amber ≥2″, red ≥2.75″ (baseball class). Denser recent decades partly reflect better reporting, not only more storms.

Recorded events 67 since 1966

1″ or larger 32 NWS severe threshold

2″ or larger 1 hen egg class and up

Largest recorded 2.0″ hen egg · September 12, 1999

Read the record honestly: Storm Events contains what was reported to the National Weather Service. Sparse or rural counties under-report, and coverage improved sharply after the mid-1990s — a quiet-looking stretch is not proof nothing fell.

When it hails in San Bernardino County

Recorded events by month, 1950–present. The amber bar marks San Bernardino County's peak: August.

Most recent recorded events

Latest 8 of 67 recorded events · data through April 2026
Date	Size	Comparable to
September 18, 2025	0.75″	Penny
June 3, 2025	1.0″	Quarter
June 3, 2025	1.0″	Quarter
September 20, 2024	0.5″	Mothball
September 7, 2024	0.75″	Penny
July 14, 2024	1.0″	Quarter
June 22, 2022	0.25″	Pea
September 24, 2021	1.0″	Quarter

Looking for a specific storm? Use the did-it-hail date lookup for San Bernardino County.

From the storm reports

Narratives as filed with the NOAA Storm Events Database (public records; lightly trimmed for length).

September 18, 2025 · 0.75″ (penny)

Large amounts of half inch to three quarter inch hail fell on Utah Trail south of Highway 62.

August 22, 2020 · 1.75″ (golf ball)

Hail up to golf ball size accumulated several inches deep on Interstate 15 at Mountain Pass. Vehicle damage was reported, including broken windshields.

September 12, 1999 · 2.0″ (hen egg)

Large hail fell over Interstate 15 near Baker. Numerous cars reportedly sustained dents and broken windshields.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
0	1	0	4	13	23	17	9

The climb across decades is largely a reporting story: spotter networks, radar, and digital filing pulled far more storms into the record after the 1990s.

Questions about hail in San Bernardino County

Has it ever hailed in San Bernardino County?

Yes — 67 hail events have been recorded for San Bernardino County, CA in the NOAA Storm Events Database since 1966, including 32 of 1″ (quarter size) or larger.

When did it last hail in San Bernardino County?

The most recent recorded hail event for San Bernardino County, CA is September 18, 2025, with 0.75″ (penny) hail. The database is currently updated through April 2026, so a storm from the last few weeks may not appear yet. To check a specific day, use the did-it-hail date lookup.

What is the largest hail ever recorded in San Bernardino County?

2.0″ (hen egg), recorded on September 12, 1999. Hail that size meets or exceeds the National Weather Service severe threshold. See how big that really is on the actual-size hail chart.

Does a recorded hail event mean my roof was damaged?

No. This page reports storm records, not damage. Hail size and damage vary block by block within a county, and only an inspection can establish what happened to a specific roof. If you suspect damage, talk to your insurer or a licensed roofer — they can pull the same NOAA records for your claim.

More California hail history

All 58 California counties, ranked by recorded hail →

Source: NOAA/NCEI Storm Events Database, public domain, updated monthly by NCEI — this site's copy runs through April 2026. HailHistory reports records; it does not give insurance advice or assess damage.