Big Lake, WA Weather Forecast
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Big Lake Weather Forecast
| REST OF TODAY | TONIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY | SATURDAY |
| Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Lo: 30°FLo: -1°C | Lo: 35°FLo: 2°C | Hi: 60°FHi: 16°C Lo: 49°FLo: 9°C | Hi: 60°FHi: 16°C Lo: 49°FLo: 9°C | Hi: 60°FHi: 16°C Lo: 49°FLo: 9°C | Hi: 60°FHi: 16°C Lo: 49°FLo: 9°C | Hi: 60°FHi: 16°C Lo: 49°FLo: 9°C | |||
POP = Probability of Precipitation.
Weather Outlook Updated: 1132 AM PDT Sun Oct 11 2026 

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Issued: 1058 AM PDT Sun Oct 11 2026
Key Messages
- Cold, dry air mass continues to bring near-freezing morning temperatures into early this week
- Light rain-snow showers for the Wallowa Mountains and Southern Blue Mountains tonight into Monday morning
- Dry conditions, light winds, and above-normal temperatures prevail middle of next week through Friday
Discussion
... Sunday through Tuesday: Cold, dry air continues to push through the area as strong northwesterly flow aloft associated with an upper-level trough digging southeastward bring...
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