7-Day Zone Forecast for Foothills and Valleys of Snohomish and Northern King Counties (Text-Only)
NWS Forecast for: Foothills and Valleys of Snohomish and Northern King Counties
Issued by: National Weather Service Seattle, WA
Last Update: 230 PM PDT Wed Aug 27 2025


Tonight: Cloudy. A slight chance of thunderstorms until early morning. A chance of showers after midnight. Lows in the lower to mid 60s. Light wind.

Thursday: Partly sunny. Patchy fog in the morning. A chance of showers in the morning. A slight chance of showers in the late morning and early afternoon. A slight chance of thunderstorms late in the afternoon. Highs in the upper 70s to mid 80s. Light wind.

Thursday Night: Partly cloudy. Lows in the upper 50s to mid 60s. Light wind.

Friday: Mostly sunny. Highs in the 80s. Light wind.

Friday Night: Partly cloudy. Lows in the mid 50s to lower 60s. Light wind.

Saturday: Mostly sunny. A slight chance of showers in the afternoon. Highs near 80.

Saturday Night: Mostly cloudy. A chance of showers and a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Patchy fog after midnight. Lows in the mid to upper 50s.

Sunday: Partly sunny. Patchy fog in the morning. A chance of showers in the morning, then a slight chance of showers in the afternoon. Highs in the mid to upper 70s.

Sunday Night: Partly cloudy. A slight chance of showers in the evening. Patchy fog after midnight. Lows in the mid 50s.

Labor Day: Mostly sunny. Patchy fog in the morning. Highs near 80.

Monday Night: Partly cloudy. Lows in the mid to upper 50s.

Tuesday: Sunny. Highs in the lower to mid 80s.

Tuesday Night: Mostly clear. Lows near 60.

Wednesday: Mostly sunny. Highs in the lower to mid 80s.







Zone Forecast: Foothills and Valleys of Snohomish and Northern King Counties

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