California

Storm History: Siskiyou County, California

783 episodes, 1,387 events since 1958

Every storm the National Weather Service has filed in Siskiyou 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
1,387
Deaths
12
Injuries
17
Damage
$169 million
Episodes
783

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 Siskiyou 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
Heavy Snow466111$2.0 million
High Wind21300
Frost/Freeze21200
Winter Storm13700
Wildfire13180$160 million
Extreme Cold/Wind Chill5114
Excessive Heat3700
Blizzard3200
Hail2300
Flash Flood2201
Flood1610$7.0 million
Thunderstorm Wind1400$200,000
Cold/Wind Chill900
Debris Flow800
Heavy Rain500
Avalanche310
Lightning201
Ice Storm200
Heat200
Tornado100
Winter Weather100

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.

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Siskiyou CountyEvery warning in Siskiyou 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.