Weather WorldOrchard Heights School, WA Weather Forecast
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Orchard Heights School Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  |  | | | | |  |  |  |  | |
| Partly Cloudy | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Rain Showers | Mostly Clear |
| Lo: 56°FLo: 13°C | Hi: 86°FHi: 30°C | Lo: 59°FLo: 15°C | Hi: 87°FHi: 31°C | Lo: 56°FLo: 13°C | Hi: 86°FHi: 30°C Lo: 60°FLo: 16°C | Hi: 86°FHi: 30°C Lo: 60°FLo: 16°C | Hi: 86°FHi: 30°C Lo: 60°FLo: 16°C | Hi: 86°FHi: 30°C Lo: 60°FLo: 16°C | Hi: 76°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C Lo: 59°FLo: 15°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 302 PM PDT Mon Aug 17 2026 
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Issued: 349 PM PDT Mon Aug 17 2026
Key Messages
- Low (<20%) shoer and thunderstorm chances this afternoon and evening across far eastern Oregon.
- Gusty west winds and low relative humidity will combine to create critical fire weather conditions Tuesday afternoon, mainly across the Columbia Basin of Oregon.
- Another chance of showers and thunderstorms and gusty winds toward the of the week, associated with an upper low.
Discussion
... Southwesterly flow over the region today will give way to a more split flow regime on Tuesday. There is still a low <20 percent) possibility of showers and thunderstorms, mainly across Wallowa County and the Blue Mountains as some short waves move through, but chances are lower than the last few days.
The split flow that develops overnight into Tue...