| NWS Forecast for: Cascades of Southern King County Issued by: National Weather Service Seattle, WA Last Update: 236 PM PDT Tue Sep 8 2026 |  |
| Tonight: Mostly clear. Freezing level near 13500 feet. Light wind in the passes. Wednesday: Sunny. Freezing level near 15000 feet. Afternoon pass temperatures in the mid 70s. Light wind in the passes. Wednesday Night: Mostly cloudy. Freezing level near 15000 feet. Light wind in the passes. Thursday: Partly sunny. A slight chance of rain in the afternoon. Snow level near 8500 feet in the afternoon. Afternoon pass temperatures around 60. Light wind in the passes. Thursday Night: Mostly cloudy. A chance of rain in the evening, then a slight chance of rain after midnight. Snow level near 7000 feet. Light wind in the passes. Friday: Mostly cloudy. Freezing level near 9500 feet. Friday Night: Mostly cloudy. A slight chance of rain after midnight. Snow level near 7000 feet. Saturday: Mostly cloudy with a chance of rain in the morning, then mostly cloudy with showers likely and a slight chance of thunderstorms in the afternoon. Snow level near 7000 feet. Saturday Night: Mostly cloudy with a chance of rain. Snow level near 7500 feet. Sunday: Partly sunny. A chance of rain in the morning, then a slight chance of rain in the afternoon. Snow level near 7500 feet. Sunday Night: Partly cloudy. A slight chance of rain in the evening. Snow level near 7500 feet. Monday: Sunny. Freezing level near 12500 feet. Monday Night: Partly cloudy. Freezing level near 12000 feet. Tuesday: Mostly sunny. Freezing level near 11500 feet. | |
| Zone Forecast: Cascades of Southern King County | |
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