1 tornado, 1 high wind, as filed by the National Weather Service.
Every event with a place to put it. Tap one for its entry below.
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.
The Pendleton radar (KPDT), 163 km away, was scanning. The volume nearest the first event began at 21:30 UTC.
1 tornado, 1 high wind. Local standard time, as filed.
F0 tornado one mile west of White Swan with a path length of 1 mile and a path width of 25 yards. Wind damage to roofs of pump house, 3 homes, warehouse, storage building, and barn.
Four people were killed when high wind blew a tree onto their truck near Bumping Lake. Two people were injured when two trees blew down on their camper trailer near Bumping Lake. Numerous trees fell across Bumping Lake Road. Summer homes along highway 410 were damaged by falling trees...one was destroyed. A large number of big trees were blown down in the Rimrock Lake area, the Indian creek drainage area, and 8 E of White Pass on highway 12. A 900-square-foot steel section was blown off a building in White Swan. Two cars were hit by falling trees 15 miles north of Cle Elum...two people were injured and air lifted to hospital.
As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.
| Event | Date | Age | Sex | Where | Kind |
|---|---|---|---|---|---|
| High Wind, East Slopes Southern Cascades | 1997-08-26 | 27 | Female | Vehicle/Towed Trailer | Direct |
| High Wind, East Slopes Southern Cascades | 1997-08-26 | 30 | Male | Vehicle/Towed Trailer | Direct |
| High Wind, East Slopes Southern Cascades | 1997-08-26 | 4 | Male | Vehicle/Towed Trailer | Direct |
| High Wind, East Slopes Southern Cascades | 1997-08-26 | 53 | Male | Vehicle/Towed Trailer | Direct |
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Washington in 1997Every state in 1997This day in weather historyThe tornado archive for Washington, 1997Warnings in Washington, August 1997
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. Each event’s entry at NCEI: 5614801, 5616230.