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Firdale Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
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| Clearing | Partly Cloudy | Mostly Cloudy | Partly Cloudy | Mostly Cloudy | Partly Cloudy | Mostly Cloudy | Partly Cloudy | Mostly Cloudy | Chance of Rain | Chance of Rain | Chance of Rain |
| Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 50°FLo: 10°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C |
| POP: 50% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 501 AM PDT Sun Sep 20 2026 
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Issued: 1056 AM PDT Sun Sep 20 2026
Aviation
...Through 18Z Monday...Satellite imagery and terminal observations as of late Sunday morning depicts predominately IFR/LIFR stratus across the Willamette Valley and coast as high pressure keeps CIGs low. Stratus is beginning to gradually dissipate and should clear out for most terminals by 20-21z Sun as daytime heating progresses. An exception would be the central Oregon coast including KONP, where IFR stratus may linger throughout the day. VFR conditions prevail across the Valley throu...