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Thirtymile Trail Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | TUESDAY NIGHT |
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| Hazy | Hazy | Mostly Clear | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Partly Cloudy | Partly Cloudy | Chance of Showers | Partly Cloudy |
| Lo: 60°FLo: 16°C | Hi: 90°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 90°FHi: 32°C | Lo: 66°FLo: 19°C | Hi: 87°FHi: 31°C | Lo: 55°FLo: 13°C | Hi: 80°FHi: 27°C | Hi: 83°FHi: 28°C Lo: 56°FLo: 13°C | Hi: 83°FHi: 28°C Lo: 56°FLo: 13°C | Hi: 85°FHi: 29°C | Hi: 83°FHi: 28°C Lo: 56°FLo: 13°C |
| POP: 20% | POP: 70% | POP: 50% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 209 PM PDT Wed Aug 19 2026 
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Thirtymile Trail Forecast Discussion
Issued: 218 PM PDT Wed Aug 19 2026
Key Messages
- Warm, dry conditions through Friday.
- Weekend system brings thunder threat and gusty winds, resulting in increasing fire weather concerns.
Discussion
... Wednesday through Thursday: High pressure continues to build over the Inland Northwest, bringing increasingly drying and warming conditions over the next couple days. Temperatures on Thursday will warm into the mid to high 90s, with Moderate HeatRisk being observed across much of the basin area, including ...