Waptus Pass Trail, WA Weather Forecast
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Waptus Pass Trail Weather Forecast
| REST OF TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
| Mostly Cloudy | Smoke | Sunny | Mostly Clear | Mostly Cloudy | Chance of Showers | Chance of T-Storm | Chance of Showers | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear |
| Hi: 76°FHi: 24°C | Lo: 53°FLo: 12°C | Hi: 80°FHi: 27°C | Lo: 56°FLo: 13°C | Hi: 89°FHi: 32°C | Lo: 56°FLo: 13°C | Lo: 46°FLo: 8°C | |||||
| POP: 50% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1133 AM PDT Wed Aug 19 2026 

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Waptus Pass Trail Forecast Discussion
Issued: 950 AM PDT Wed Aug 19 2026
Key Messages
- Drying and warming trend into Friday as upper level high pressure builds over the region, with elevated fire weather concerns due to dry and unstable conditions
- Breezy winds developing Saturday, with uncertainty in timing/extent of thunderstorms/showers Friday through Sunday
Discussion
... Slowly building ridging through Friday across the Interior Northwest while the upper flow across the PAC NW become more southerly with time. A large area of 500 mb low p...
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