Forest, WA Weather Forecast
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| REST OF TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
| Patchy Fog | Sunny | Fog | Partly Sunny | Clear | Sunny | Mostly Clear | Chance of Rain | Partly Cloudy | Chance of Rain | Partly Cloudy | Mostly Sunny |
| Lo: 50°FLo: 10°C | Hi: 70°FHi: 21°C | Lo: 47°FLo: 8°C | Hi: 73°FHi: 23°C | Lo: 46°FLo: 8°C | Hi: 75°FHi: 24°C | Lo: 50°FLo: 10°C | Hi: 67°FHi: 19°C | Lo: 43°FLo: 6°C | Hi: 61°FHi: 16°C | Lo: 40°FLo: 4°C | Hi: 63°FHi: 17°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 838 PM PDT Mon Oct 05 2026 

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Issued: 838 PM PDT Mon Oct 5 2026
Aviation
... A flat upper ridge will remain over the region into Tuesday with westerly flow aloft continuing. The low level flow is light onshore and will shift more northerly on Tuesday in response to thermally induced low pressure expanding northward across Oregon. Light surface winds and the lengthening night will be favorable for widespread low cloud and/or fog formation overnight with much of the lowlands seeing LIFR ceilings and reduced surface visibility below 3SM toward 12Z Tuesday. Low c...
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