Tule Bill Lake, WA Weather Forecast
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Tule Bill Lake Weather Forecast
| REST OF TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | WEDNESDAY |
| Hazy | Hazy | Hazy | Hazy | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Lo: 63°FLo: 17°C | Hi: 90°FHi: 32°C | Lo: 63°FLo: 17°C | Hi: 95°FHi: 35°C | Lo: 70°FLo: 21°C | Hi: 90°FHi: 32°C | Lo: 60°FLo: 16°C | Hi: 80°FHi: 27°C | Hi: 86°FHi: 30°C Lo: 56°FLo: 13°C | Hi: 86°FHi: 30°C Lo: 56°FLo: 13°C | Hi: 86°FHi: 30°C Lo: 56°FLo: 13°C | Hi: 86°FHi: 30°C Lo: 56°FLo: 13°C |
| POP: 20% | POP: 20% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1035 PM PDT Wed Aug 19 2026 

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Tule Bill Lake Forecast Discussion
Issued: 1100 PM PDT Wed Aug 19 2026
Key Messages
- Warm, dry conditions through Friday.
- Weekend system brings thunder threat and gusty winds, resulting in increasing fire weather concerns.
Discussion
... Today and Friday: With the ridge over the region, warm, dry conditions will persist. Ensembles have increased the highs. Thursday will have moderate HeatRisk to portions of the Basin and valleys with highs in the upper 80s and 90s. Friday will be warmer with highs in the 90s. The lower Basin has around 60-...
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