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Timberline Trail Weather Forecast
| THIS AFTERNOON | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 | |  | | |  | | | | | | |
| Rain | Rain | Chance of Snow | Rain | Rain | Rain and Snow | Chance of Snow | Snow | Snow | Snow and Rain | Snow and Rain | Rain and Snow |
| POP: 70% | POP: 100% | POP: 100% | POP: 100% | POP: 100% | POP: 100% | POP: 100% | POP: 100% | POP: 90% | POP: 50% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 202 PM PDT Sun Oct 25 2026 
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Issued: 245 PM PDT Sun Oct 25 2026
Aviation
...Through 18z Monday...A cold frontal rain band is bisecting the airspace as of 17z Sun, extending from K6S2/Florence to the NNE across Portland-area terminals and into the south WA Cascades. This feature will progress eastward, passing east of the Willamette Valley by 00z Mon, and east of the Cascade crest by 06z Mon. While the front is overhead, MVFR cigs/vis are favored at area terminals, with persistent 15-25% chances for brief IFR cigs/vis if heavier rain elements pass overhead. Be...