Weather

Record Rainfall Brings Flooding, Mudslides To Western Washington

Friday firmly landed as one of the wettest days ever recorded in the Seattle area. The rain continues Saturday.

A WSP photo shows water moving fast over State Route 202 near Ames Lake Road.
A WSP photo shows water moving fast over State Route 202 near Ames Lake Road. (Washington State Patrol)

SEATTLE, WA — An unrelenting downpour brought flooding to rivers, streets and urban areas Friday, as Puget Sound shattered some all-time precipitation records. According to the National Weather Service, storm totals in Snohomish County and points south were expected to hit between 5 and 10 inches of rain by the time the weather begins to taper off Saturday night. In Seattle, Friday landed among the top five wettest days ever documented, since records began in 1945.

Social media posts Friday showed standing water and closed streets in several cities, including in Bellevue, Kirkland, Mercer Island, Kent, Renton, Tacoma and Lynnwood. An urban flooding advisory was in place Friday for the Seattle, Tacoma and Olympia metro areas, along with an increased potential for landslides. NWS Seattle said landslide dangers would persist until Saturday night.

The Associated Press reports a slide on the train tracks south of Tacoma suspended all freight and passenger traffic Friday. Freight trains were expected to resume in the afternoon, but passenger service will remain suspended until Sunday morning.

Find out what's happening in Seattlefor free with the latest updates from Patch.

The National Weather Service issued a Flood Warning for the Snoqualmie River near the falls Friday morning, and minor flooding was expected for several other rivers Friday afternoon and potentially continuing into Saturday. Most lowland areas are expected to see at least another couple inches of rainfall by the end of Saturday.

A flood watch remains in effect for most of Western Washington until Sunday night. The urban and small stream flood advisory was set to expire early Saturday.

Find out what's happening in Seattlefor free with the latest updates from Patch.

Track the latest river conditions on the National Weather Service website.

In the Cascades, periods of moderate to heavy snowfall is forecast above 3,5000 feet, which could present difficult travel conditions in some areas through Saturday. Stevens Pass was forecast for a rain/snow mix Friday night, turning to moderate snowfall by Saturday. Rain is in the forecat for Snoqualmie Pass.


FRIDAY WEATHER HIGHLIGHTS

Get more local news delivered straight to your inbox. Sign up for free Patch newsletters and alerts.

More from Seattle