Washington

Storm History: Chelan County, Washington

298 episodes, 480 events since 1956

Every storm the National Weather Service has filed in Chelan County, Washington: 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
480
Deaths
7
Injuries
46
Damage
$1.3 billion
Episodes
298

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 Chelan 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 Snow17632$652,000
Flash Flood8700$20 million
Wildfire6109$1.1 billion
Debris Flow2800$257,000
Flood2500$2.2 million
High Wind22020$10 million
Winter Storm1600$10,000
Hail900$54 million
Ice Storm900
Blizzard902$6,000
Thunderstorm Wind800$17,000
Lightning411$7,000
Heavy Rain400$11 million
Winter Weather4011$8,000
Dense Smoke400
Dust Storm300$17,000
Strong Wind300$12,000
Excessive Heat200
Tornado100$70,000
Cold/Wind Chill100
Frost/Freeze100$105 million
Dust Devil100
Funnel Cloud100
Avalanche131

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 Chelan CountyEvery warning in Chelan County since 1986Every county in Washington

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.