SEATTLE, Wash. – Drivers across western Washington could see water-covered roads and dangerous travel conditions by Saturday morning as a strong frontal system pushes heavy rain into the region. Emergency officials warn that urban flooding and rapid stream rises are likely, especially in King, Snohomish, and Pierce counties. Those traveling along I-5 and major arterials should expect ponding and possible lane closures.
According to the National Weather Service in Seattle, 3–5 inches of rain are expected in the Cascades through Saturday afternoon, with 0.5–1.5 inches across the lowlands. Dry summer soils will struggle to absorb the sudden rainfall, increasing the risk for flash flooding and debris flows near burn scars. Hikers and campers in mountain areas should prepare for washed-out trails and fast-moving creeks.
Smaller streams may swell quickly, while larger rivers will see rapid but short-lived rises. Recreational activities in and along rivers are strongly discouraged through Saturday. Burn areas in Chelan, Kittitas, and Skamania counties could also see rockfall or debris slides.
Residents are urged to clear storm drains, avoid flooded roadways, and monitor weather updates closely. Conditions should improve by late Saturday, with drier, warmer weather returning early next week.
Five-Day Forecast for Seattle, WA:
Saturday: Rain likely, high 76°F, chance of showers in evening.
Sunday: Partly sunny, high 75°F.
Monday: Mostly cloudy, high 76°F.
Tuesday: Partly cloudy, high 83°F.
Wednesday: Sunny, high 75°F.
