| NWS Forecast for: South Washington Cascades Issued by: National Weather Service Portland, OR Last Update: 954 PM PDT Mon May 25 2026 | |
| Tonight: A slight chance of thunderstorms this evening. Mostly cloudy with a chance of rain showers. Snow level 4500 feet. Southwest wind 10 to 15 mph with gusts up to 35 mph, easing to light after midnight. Chance of rain 50 percent. Rainfall amounts less than a tenth of an inch, except higher amounts possible in thunderstorms. Tuesday: Mostly cloudy in the morning, then becoming partly sunny. A 20 percent chance of rain showers. Snow level 4500 feet, increasing to 6000 feet in the afternoon. Northwest wind 5 to 10 mph. Tuesday Night: Mostly cloudy. Free air freezing level 8000 feet, increasing to free air freezing level 10000 feet after midnight. Northwest wind 5 to 10 mph. Wednesday: Mostly sunny. Free air freezing level 12000 feet, increasing to free air freezing level 13000 feet in the afternoon. Northwest wind 5 to 10 mph. Wednesday Night: Partly cloudy in the evening, then becoming mostly clear. Free air freezing level 13000 feet. Northwest wind 10 to 15 mph, becoming light after midnight. Thursday: Mostly sunny with a 20 percent chance of showers. Snow level above 8000 feet. Thursday Night: Mostly cloudy with a 50 percent chance of rain. Snow level above 8000 feet. Friday: Mostly cloudy with a 30 percent chance of rain. Snow level 8000 feet. Friday Night: Mostly cloudy. Free air freezing level 8000 feet. Saturday: Mostly sunny. Free air freezing level 5500 feet. Saturday Night: Partly cloudy. Free air freezing level 8000 feet. Sunday: Sunny. Free air freezing level 8000 feet. Sunday Night: Mostly clear. Free air freezing level 10000 feet. Monday: Sunny. Free air freezing level 11000 feet. | |
| Zone Forecast: South Washington Cascades | |
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