Dezellem Lake, WA Weather Forecast
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Dezellem Lake Weather Forecast
| REST OF TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SUNDAY | MONDAY |
| Partly Cloudy | Hazy | Hazy | Hazy | Partly Cloudy | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear |
| Hi: 90°FHi: 32°C | Lo: 63°FLo: 17°C | Hi: 90°FHi: 32°C | Lo: 60°FLo: 16°C | Hi: 80°FHi: 27°C | Hi: 76°FHi: 24°C Lo: 53°FLo: 12°C | Hi: 76°FHi: 24°C Lo: 53°FLo: 12°C | Hi: 76°FHi: 24°C Lo: 53°FLo: 12°C | Hi: 76°FHi: 24°C Lo: 53°FLo: 12°C | Hi: 76°FHi: 24°C Lo: 53°FLo: 12°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1135 AM PDT Tue Aug 25 2026 

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Issued: 206 PM PDT Tue Aug 25 2026
Key Messages
- Moderate to Major HeatRisk continues Wednesday with highs in the mid to upper 90s.
- Breezy winds Wednesday into Thursday bringing elevated fire weather conditions.
- Cooler temperatures and potential for mountain showers Friday and Saturday.
Discussion
... Wednesday: A ridge of high pressure maintains influence over the Inland Northwest through Wednesday, keeping temperatures warm in the mid to upper 90s. A Heat Advisory remains in effect through Wednesday evening for the Lewiston-Clarkst...
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