Mercer Ranch, WA Weather Forecast
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Mercer Ranch Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SUNDAY | MONDAY | TUESDAY |
| Smoke | Smoke | Smoke | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear |
| Lo: 63°FLo: 17°C | Hi: 95°FHi: 35°C | Lo: 60°FLo: 16°C | Hi: 90°FHi: 32°C | Lo: 55°FLo: 13°C | Hi: 89°FHi: 32°C Lo: 59°FLo: 15°C | Hi: 89°FHi: 32°C Lo: 59°FLo: 15°C | Hi: 89°FHi: 32°C Lo: 59°FLo: 15°C | Hi: 89°FHi: 32°C Lo: 59°FLo: 15°C | Hi: 89°FHi: 32°C Lo: 59°FLo: 15°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 302 PM PDT Tue Aug 25 2026 

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Issued: 317 PM PDT Tue Aug 25 2026
Key Messages
1. Very low chances of showers and thunderstorms this afternoon and evening
2. Temperatures today and Wednesday will remain above seasonal normal through Wednesday
3. An upper level low approaching the region will bring increased winds Wednesday increasing fire weather concerns.
Discussion
... Current satellite shows a cumulus field developing over the Elkhorns and Blues as well as over the Eagle Caps down into the Wallowa Valley. Ground observations are showing no rainfall associated wi...
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