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Basin Lakes, WA Weather Forecast
Basin Lakes, WA Weather Forecast Date: 202 AM PDT Sun Oct 11 2026
The area/counties/county of: South Washington Cascades, including the cities of: Mt. St. Helens, Larch Mountain, and Indian Heaven Wilderness.or toggle through each period.
Rest of Tonight... Mostly clear. Free air freezing level 6000 feet. Winds light.
Sunday... Areas of frost in the morning. Sunny. Free air freezing level 6000 feet. Northeast wind 5 to 10 mph.
Sunday Night... Mostly clear. Free air freezing level 6500 feet. Winds light.
Columbus Day... Sunny. Free air freezing level 6500 feet, increasing to free air freezing level 7000 feet in the afternoon. Winds light.
Monday Night... Mostly clear. Free air freezing level 10000 feet, increasing to free air freezing level 11000 feet after midnight. Winds light.
Tuesday... Mostly sunny. Free air freezing level 11000 feet.
Tuesday Night... Partly cloudy. Free air freezing level 11000 feet.
Wednesday... Mostly sunny. Free air freezing level 11000 feet.
Wednesday Night... Partly cloudy. Free air freezing level 13000 feet.
Thursday... Mostly sunny. Free air freezing level 13000 feet.
Thursday Night... Mostly clear. Free air freezing level 14000 feet.
Friday... Sunny. Free air freezing level 14000 feet.
Friday Night... Mostly clear in the evening, then becoming partly cloudy. A 20% chance of rain. Snow level above 8000 feet.
POP = Probability of Precipitation
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