Washington

Storm History: Okanogan County, Washington

511 episodes, 928 events since 1973

Every storm the National Weather Service has filed in Okanogan 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
928
Deaths
11
Injuries
28
Damage
$578 million
Episodes
511

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 Okanogan 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 Snow36014$205,000
Wildfire14968$479 million
Flash Flood7210$20 million
Debris Flow6100$309,000
Winter Storm4410$15,000
Dust Storm34016$179,000
Thunderstorm Wind3200$2.1 million
Hail3000$25 million
Flood2900$19 million
High Wind2600$31 million
Ice Storm2400
Tornado1500$109,000
Winter Weather1300$15,000
Dense Smoke800
Blizzard600
Extreme Cold/Wind Chill500
Heavy Rain400
Excessive Heat400
Avalanche220$9,000
Cold/Wind Chill200
Lightning200$2,000
Freezing Fog200$2.0 million
Strong Wind200$2,000
Funnel Cloud100
Astronomical Low Tide100

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 Okanogan CountyEvery warning in Okanogan 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.