Weather WorldThorn Lake, OR Weather Forecast
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Thorn Lake Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  | |  |  | | |  | | | |  |
| Mostly Clear | Smoke | Smoke | Mostly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Cloudy | Mostly Clear | Partly Sunny | Mostly Clear | Chance of Rain |
| Lo: 59°FLo: 15°C | Hi: 90°FHi: 32°C | Lo: 61°FLo: 16°C | Hi: 90°FHi: 32°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 501 PM PDT Sun Aug 23 2026 
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Thorn Lake Forecast Discussion
Issued: 225 PM PDT Sun Aug 23 2026
Discussion
...Tonight through Saturday Night...Water vapor satellite imagery reveals the upper level shortwave trough lifting across NE Washington into Canada this afternoon. Heights aloft will continue to increase through tonight allowing for clearing skies. As a ridge of high pressure builds aloft over the region, a surface thermal trough develops along the coast extending into western WA early Monday morning. This will allow for light offshore flow to develops, especially over the western slop...