California

Storm History: San Joaquin County, California

78 episodes, 116 events since 1967

Every storm the National Weather Service has filed in San Joaquin 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
116
Deaths
0
Injuries
4
Damage
$312 million
Episodes
78

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 Joaquin 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
Tornado3900$236,000
Flood2200$107 million
Flash Flood1700$2.2 million
Funnel Cloud900
Heavy Rain900$201 million
Winter Storm600
Thunderstorm Wind500$1.0 million
Debris Flow300
Hail200
Lightning103
Heavy Snow100
Blizzard100
Wildfire101

The deadliest

None recorded.

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.

Every episode, newest first

More

Tornadoes in San Joaquin CountyEvery warning in San Joaquin 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.