Tunnel Trail, WA Weather Forecast
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Tunnel Trail Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
| Mostly Clear | Sunny | Partly Cloudy | Mostly Sunny | Mostly Cloudy | Mostly Clear | Mostly Clear | Snow Showers | Snow Showers | Snow Showers | Snow Showers | Mostly Sunny |
| Lo: 36°FLo: 2°C | Hi: 65°FHi: 18°C | Lo: 40°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 36°FLo: 2°C | Hi: 56°FHi: 13°C Lo: 36°FLo: 2°C | Hi: 56°FHi: 13°C Lo: 36°FLo: 2°C | Hi: 50°FHi: 10°C | Lo: 35°FLo: 2°C | Hi: 53°FHi: 12°C | Lo: 35°FLo: 2°C | Hi: 55°FHi: 13°C |
| POP: 20% | POP: 50% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 209 PM PDT Tue Oct 20 2026 

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Issued: 412 PM PDT Tue Oct 20 2026
Key Messages
- Dry weather continues through Wednesday with mild afternoon temperatures.
- Medium to high confidence for rain across far eastern Washington and north Idaho Thursday afternoon through Friday morning.
- Breezy to gusty west to northwest winds across central Washington and southeast Washington Thursday night through Friday afternoon.
Discussion
... Tuesday night through Wednesday: Weather will be warm and dry through Wednesday as subtle ridging continues over the Pacific Northwest. Temperatu...
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