Loon Lake, WA Weather Forecast
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Loon Lake Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | SATURDAY |
| Snow Showers | Snow Showers | Partly Cloudy | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Rain Showers | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear |
| Lo: 30°FLo: -1°C | Hi: 50°FHi: 10°C | Lo: 26°FLo: -3°C | Hi: 55°FHi: 13°C | Lo: 26°FLo: -3°C | Hi: 57°FHi: 14°C Lo: 30°FLo: -1°C | Hi: 57°FHi: 14°C Lo: 30°FLo: -1°C | Hi: 60°FHi: 16°C | Hi: 65°FHi: 18°C Lo: 36°FLo: 2°C | Hi: 65°FHi: 18°C Lo: 36°FLo: 2°C | Hi: 65°FHi: 18°C Lo: 36°FLo: 2°C | Hi: 65°FHi: 18°C Lo: 36°FLo: 2°C |
| POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 400 PM PDT Sat Oct 10 2026 

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Issued: 449 PM PDT Sat Oct 10 2026
Key Messages
- Gusty north to northeast winds will bring the potential for blowing dust across the Western Columbia Basin Sunday.
- Cooler autumn storm system to bring rain and mountain snow showers, cooler temperatures, and breezy north to northeast winds through the weekend.
- Overnight lows reaching freezing or below in many areas. Hard freeze expected for mountain valleys in northeast Washington and the Idaho Panhandle by Monday morning.
Discussion
... Saturday night through Sunday: A cold upper-leve...
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