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Alturas Muni Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | THURSDAY | FRIDAY |
 |  | | | |  |  | | | |
| Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Sunny |
| Hi: 56°FHi: 13°C | Lo: 33°FLo: 1°C | Hi: 50°FHi: 10°C | Lo: 26°FLo: -3°C | Hi: 53°FHi: 12°C | Hi: 56°FHi: 13°C Lo: 30°FLo: -1°C | Hi: 56°FHi: 13°C Lo: 30°FLo: -1°C | Hi: 66°FHi: 19°C Lo: 36°FLo: 2°C | Hi: 66°FHi: 19°C Lo: 36°FLo: 2°C | Hi: 73°FHi: 23°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 244 AM PDT Sat Oct 10 2026 
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Issued: 336 AM PDT Sat Oct 10 2026
Key Messages
- Cooler this weekend and into Monday.
- Shower chances remain low with the best chance today over the coastal waters and tonight in northern California and near/ east of the Warner mountains.
- Frost and freezing conditions in the west side valleys tonight and again Sunday night.
- Temperatures trend warmer Tuesday through Friday as high pressure builds.
Discussion
...A mostly dry cold front moved through the area yesterday and last night and it continues to make its way south and east of the...