Flood, West Slopes Central Cascades and Passes
- When
- November 26, 12:00 AM PST to 6:00 PM PST
- Where
- West Slopes Central Cascades and Passes forecast zone
- Reported by
- OFFICIAL NWS OBS.
Heavy rain led to flooding on the Chehalis, Skokomish, Deschutes, Puyallup and Snoqualmie Rivers. 82 inches.
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 episode as NWS SEW wrote it up.
Heavy rain led to flooding on the Chehalis, Skokomish, Deschutes, Puyallup and Snoqualmie Rivers. In Olympia, 24 hour rainfall ending at 5pm on the 25th was 3.06 ( a record), and on the 26th it was 2.82 inches. The Chehalis crested 4.7 ft above flood stage, flooding homes and some businesses. Roads were flooded and some cars ended up submerged. For the month of November, Shelton had more than 20 inches of rainfall, and Sea-Tac had 11.37 inches which broke the old Nov record of 10.71 inches.
3 flood. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Washington in 1998Every state in 1998This day in weather historyWarnings in Washington, November 1998
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: 5677250, 5677251, 5677252.