California

Storm History: San Bernardino County, California

1,598 episodes, 3,377 events since 1954

Every storm the National Weather Service has filed in San Bernardino County, California: floods, hail, damaging wind, tornadoes, winter storms, heat and the rest, with the most serious on record. Events filed by forecast zone count for every county the zone covers.

The record

Events
3,377
Deaths
108
Injuries
607
Damage
$1.8 billion
Episodes
1,598

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

Open the live radar over San Bernardino County

Every year

From 1996 the record holds 48 kinds of event with each office’s narrative; before that, tornadoes, hail and thunderstorm wind only, and before 1955 tornadoes alone.

By kind of event

Counted under the kind that heads each episode.

Kind of eventEventsDeathsInjuriesDamage
Flash Flood1,32143125$286 million
High Wind4961121$41 million
Excessive Heat3381115$3.5 million
Wildfire28612231$1.3 billion
Heavy Snow13700$1.1 million
Flood112110$17 million
Tornado8606$56 million
Thunderstorm Wind8015$1.8 million
Drought7800$2,000
Dust Storm6816$1.4 million
Debris Flow5300$267,000
Winter Storm4308$1.7 million
Hail4026$131,000
Dense Fog381129$2.3 million
Heat341715$3,000
Winter Weather2900$10,000
Strong Wind2568$1.4 million
Lightning2114$987,000
Heavy Rain1802$112 million
Storm Surge/Tide1310$6.0 million
Extreme Cold/Wind Chill1100$170,000
Tropical Storm1100
Frost/Freeze1000$30 million
Avalanche902$100,000
Funnel Cloud700
Dust Devil4014$68,000
Coastal Flood400
Tsunami400$65,000
Blizzard100

The deadliest

The costliest

Damage within this county, in the dollars of its year.

The largest hail

The largest stone in each episode, which may have fallen in a neighboring county of the same episode.

The strongest tornadoes

Every tornado in San Bernardino County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in San Bernardino CountyEvery warning in San Bernardino County since 1986Every county in California

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.