| NWS Forecast for: Cascades of Southern King County Issued by: National Weather Service Seattle, WA Last Update: 236 AM PDT Sun Sep 20 2026 | |
| Today: Sunny. Freezing level near 13500 feet. Afternoon pass temperatures in the lower 70s. Light wind in the passes. Tonight: Clear. Freezing level near 13500 feet. Light wind in the passes. Monday: Mostly sunny in the morning then becoming mostly cloudy. Freezing level near 13000 feet. Afternoon pass temperatures in the upper 60s. Light wind in the passes. Monday Night: Partly cloudy. Freezing level near 13000 feet. Light wind in the passes. Tuesday: Partly sunny. Freezing level near 12000 feet. Afternoon pass temperatures in the mid 50s. Light wind in the passes. Tuesday Night: Partly cloudy in the evening then becoming mostly cloudy. Freezing level near 10500 feet. Wednesday: Partly sunny. Freezing level near 8500 feet. Wednesday Night: Mostly cloudy. Freezing level near 9000 feet. Thursday: Mostly cloudy. Freezing level near 10500 feet. Thursday Night: Cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Snow level near 8000 feet. Friday: Mostly cloudy with a chance of showers. Snow level near 7000 feet. Friday Night: Mostly cloudy with a chance of showers. Snow level near 6000 feet. Saturday: Partly sunny. A slight chance of showers in the morning. Snow level near 6000 feet. | |
| Zone Forecast: Cascades of Southern King County | |
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