Weather WorldJefferson Lake Trail, OR Weather Forecast
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Jefferson Lake Trail Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | MONDAY | TUESDAY |
 |  | |  |  |  |  | | | |
| Clearing | Smoke | Smoke | Partly Cloudy | Mostly Cloudy | Chance of Showers | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy |
| Lo: 59°FLo: 15°C | Lo: 56°FLo: 13°C | Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C Lo: 50°FLo: 10°C | Hi: 80°FHi: 27°C Lo: 50°FLo: 10°C | ||||
| POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 602 AM PDT Wed Aug 19 2026 
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Jefferson Lake Trail Forecast Discussion
Issued: 407 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...