Washington

Storm History: Walla Walla County, Washington

447 episodes, 565 events since 1958

Every storm the National Weather Service has filed in Walla Walla 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
565
Deaths
12
Injuries
53
Damage
$20 million
Episodes
447

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 Walla Walla 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 Snow15911$47,000
High Wind13706$7.9 million
Wildfire3900$46,000
Thunderstorm Wind3000$1.3 million
Dust Storm22134$550,000
Winter Storm2100
Hail2010$5,000
Excessive Heat1970
Flood1700$8.9 million
Frost/Freeze1600
Extreme Cold/Wind Chill1500
Flash Flood1000$1.3 million
Ice Storm915
Heat800
Tornado600$28,000
Funnel Cloud600
Blizzard500
Winter Weather503
Cold/Wind Chill500
Strong Wind300$10,000
Debris Flow300
Drought200
Heavy Rain200$93,000
Dense Fog203$190,000
Lightning200$26,000
Avalanche100
Freezing Fog111

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.

The strongest tornadoes

Every tornado in Walla Walla County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Walla Walla CountyEvery warning in Walla Walla 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.