Weather WorldWatson Lake, WA Weather Forecast
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Watson Lake Weather Forecast
| REST OF TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SATURDAY NIGHT |
 | | | |  |  | | |  |  | |  |
| Smoke | Smoke | Smoke | Smoke | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Sunny | Rain Showers |
| Lo: 53°FLo: 12°C | Lo: 60°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 63°FLo: 17°C | Hi: 80°FHi: 27°C Lo: 60°FLo: 16°C | Hi: 80°FHi: 27°C Lo: 60°FLo: 16°C | Hi: 79°FHi: 26°C | Hi: 79°FHi: 26°C Lo: 53°FLo: 12°C | Hi: 79°FHi: 26°C Lo: 53°FLo: 12°C | Hi: 60°FHi: 16°C | Lo: 46°FLo: 8°C | |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1132 PM PDT Sun Aug 23 2026 
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Watson Lake Forecast Discussion
Issued: 1006 PM PDT Sun Aug 23 2026
Key Messages
- Above-normal temperatures Monday through Wednesday as an upper-level ridge of high pressure builds overhead then shifts east to the northern Rockies.
- Very low chance (5-15%) of showers and thunderstorms for the southern Blue Mountains on Monday, and for the northern Blue Mountains on Tuesday.
- Breezy westerly winds Wednesday, with low-medium probability (20-60%) of Red Flag conditions in the Columbia Basin and Cascade gaps.
Discussion
... Water vapor imagery shows an upper-level low exi...