Weather WorldLake Wallula, WA Weather Forecast
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Lake Wallula Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
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| Mostly Cloudy | Mostly Cloudy | Chance of Showers | Chance of Showers | Rain Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers |
| Lo: 56°FLo: 13°C | Hi: 87°FHi: 31°C | Lo: 57°FLo: 14°C | Hi: 77°FHi: 25°C | Lo: 53°FLo: 12°C | Hi: 70°FHi: 21°C Lo: 50°FLo: 10°C | Hi: 70°FHi: 21°C Lo: 50°FLo: 10°C | Hi: 70°FHi: 21°C Lo: 50°FLo: 10°C | Hi: 70°FHi: 21°C Lo: 50°FLo: 10°C | Hi: 75°FHi: 24°C | Hi: 76°FHi: 24°C Lo: 53°FLo: 12°C | Hi: 76°FHi: 24°C Lo: 53°FLo: 12°C |
| POP: 20% | POP: 20% | POP: 70% | POP: 50% | POP: 50% | POP: 20% | POP: 20% | POP: 30% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 302 PM PDT Mon Aug 31 2026 
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Issued: 345 PM PDT Mon Aug 31 2026
Key Messages
- Drying and warming trend will continue through early Tuesday as upper level high pressure moves over the region
- A series of upper level low pressure systems will bring periods of rain, breezy westerly winds, and isolated thunderstorm chances Tuesday into Friday
Discussion
... Much like yesterday, little to talk about this afternoon as visible satellite imagery shows mostly clear skies across the region. While not evident on satellite, however, layers of near surface smoke have filtered...