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Arrow Lake Weather Forecast
| REST OF TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 | |  |  |  |  | | | | | | |
| Snow Showers | Snow Showers | Mostly Clear | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Snow Showers | Snow Showers | Snow Showers | Snow Showers | Snow Showers |
| Lo: 36°FLo: 2°C | Hi: 40°FHi: 4°C | Lo: 26°FLo: -3°C | Lo: 30°FLo: -1°C | Lo: 39°FLo: 4°C | Lo: 30°FLo: -1°C | ||||||
| POP: 100% | POP: 50% | POP: 50% | POP: 70% | POP: 60% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1132 PM PDT Thu Oct 22 2026 
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Issued: 1044 PM PDT Thu Oct 22 2026
Key Messages
- Rain and slight chance (10-15%) of thunderstorms today, with the best chances of wetting rain (0.10" or greater) over the Blue Mountains (90-99% chance) through early Friday.
- Breezy to windy westerly to northwesterly winds late this afternoon into Friday, strongest through the Cascade gaps where Wind Advisories in effect.
- Widespread near- to sub-freezing low temperatures in the Columbia Basin and surrounding lowlands Saturday morning (50-95% chance). Freeze Watches issued.
Discussion
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