1 tornado, 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), 137 km away, was scanning. The volume nearest the first event began at 00:31 UTC.
1 tornado. Local standard time, as filed.
A weak landspout type tornado developed over open fields north of Zillah. This tornado was videotaped by many people and moved slowly towards the southwest, traveling less than one-quarter of a mile in 15 minutes.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Washington in 2000Every state in 2000This day in weather historyThe tornado archive for Washington, 2000Warnings in Washington, May 2000
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: 5139138.