


NWS Forecast for: South Washington Cascades Issued by: National Weather Service Portland, OR Last Update: 245 PM PDT Wed Oct 15 2025 | ![]() |
Tonight: Mostly clear. Free air freezing level 12000 feet. Winds light. Thursday: Sunny in the morning, then becoming partly sunny. Free air freezing level 12000 feet. West wind 5 to 10 mph. Thursday Night: Mostly cloudy with a 50 percent chance of rain. Snow level above 8000 feet, decreasing to 8000 feet after midnight. West wind 5 to 10 mph. Rainfall amounts less than a tenth of an inch. Friday: Mostly cloudy with a chance of rain in the morning, then mostly sunny with a slight chance of rain in the afternoon. Snow level 5500 feet. West wind 5 to 10 mph. Chance of rain 50 percent. Friday Night: Partly cloudy. Free air freezing level 10000 feet, increasing to free air freezing level 11000 feet after midnight. West wind 5 to 10 mph, becoming light after midnight. Saturday: Mostly sunny with a 50 percent chance of rain. Snow level above 8000 feet. Saturday Night: Rain. Snow level above 8000 feet. Chance of rain near 100 percent. Sunday: Rain. Snow level 5000 feet. Chance of rain near 100 percent. Sunday Night: Rain showers likely. Snow level 5000 feet. Chance of rain 70 percent. Monday: Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of rain showers. Snow level 5000 feet. Monday Night: Partly cloudy in the evening, then becoming mostly cloudy. A 20 percent chance of rain showers. Snow level 5500 feet. Tuesday: Partly sunny with a 40 percent chance of rain showers. Snow level 5500 feet. Tuesday Night: Mostly cloudy with a 40 percent chance of rain showers. Snow level 6000 feet. Wednesday: Partly sunny with a 40 percent chance of rain showers. Snow level 6000 feet. | |
Zone Forecast: South Washington Cascades | |
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