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Tumalo State Park Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
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| Smoke | Smoke | Partly Cloudy | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers |
| Hi: 81°FHi: 27°C | Lo: 45°FLo: 7°C | Hi: 71°FHi: 22°C | Lo: 36°FLo: 2°C | Hi: 77°FHi: 25°C | Hi: 80°FHi: 27°C Lo: 46°FLo: 8°C | Hi: 80°FHi: 27°C Lo: 46°FLo: 8°C | Hi: 77°FHi: 25°C | Hi: 79°FHi: 26°C Lo: 45°FLo: 7°C | Hi: 79°FHi: 26°C Lo: 45°FLo: 7°C | Lo: 43°FLo: 6°C | Hi: 70°FHi: 21°C |
| POP: 20% | POP: 20% | POP: 20% | POP: 30% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 347 AM PDT Fri Aug 28 2026 
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Issued: 509 AM PDT Fri Aug 28 2026
Key Messages
- Very low to slight chance (5-15%) of thunderstorms today (Blue Mountains) and Saturday (Cascade and Blue mountains).
- High confidence (99%) that a low-pressure system will track over the Pacific Northwest Saturday into early Sunday, resulting in below-normal temperatures and widespread breezy westerly winds.
- Periods of elevated fire weather conditions through the weekend due to the breezy winds, but low confidence (<40%) in widespread Red Flag conditions.
- Low-medium probability (20-50%) of near-freezing morning low temperat...