California

Storm History: Riverside County, California

1,191 episodes, 2,499 events since 1955

Every storm the National Weather Service has filed in Riverside 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
2,499
Deaths
54
Injuries
380
Damage
$578 million
Episodes
1,191

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 Riverside 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 Flood588657$189 million
High Wind517725$42 million
Wildfire31811211$142 million
Excessive Heat31075$7.1 million
Flood10639$14 million
Drought10400$2.0 million
Thunderstorm Wind6700$1.5 million
Tornado6404$35 million
Dust Storm6306$1.4 million
Heavy Snow6000$315,000
Heat581645$2,000
Debris Flow4310$651,000
Winter Storm3201$3.0 million
Hail2201$105,000
Strong Wind2106$545,000
Tropical Storm1800
Dense Fog1701
Lightning1513$117,000
Winter Weather1400$5,000
Storm Surge/Tide1400
Funnel Cloud1000
Extreme Cold/Wind Chill900$1.1 million
Frost/Freeze800$98 million
Heavy Rain700$40 million
Coastal Flood500
Cold/Wind Chill304
Avalanche200
Blizzard100
Tsunami100$10,000
Astronomical Low Tide100
Dust Devil122

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 Riverside County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Riverside CountyEvery warning in Riverside 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.