California

Storm History: Lassen County, California

452 episodes, 585 events since 1957

Every storm the National Weather Service has filed in Lassen 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
585
Deaths
0
Injuries
4
Damage
$8.1 million
Episodes
452

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 Lassen 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 Snow30900$250,000
High Wind9201$2.2 million
Winter Storm3100
Heavy Rain2500
Winter Weather1900
Avalanche1700$21,000
Hail1500
Debris Flow1300$17,000
Flood1201$5.5 million
Dense Fog900$1,000
Tornado800
Thunderstorm Wind800$2,000
Wildfire600$75,000
Flash Flood500
Blizzard500
Lightning202
Funnel Cloud200
Strong Wind200$100
Cold/Wind Chill100
Ice Storm100
Dense Smoke100
Drought100$50,000
Freezing Fog100

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

Earlier years, state by state:

More

Tornadoes in Lassen CountyEvery warning in Lassen 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.