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Arrowhead Lake Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SUNDAY | MONDAY |
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| Snow Showers | Sunny | Clear | Sunny | Clear | Sunny | Clear | Clear | Clear | Clear | Clear |
| Lo: 19°FLo: -7°C | Hi: 51°FHi: 11°C | Lo: 20°FLo: -7°C | Hi: 63°FHi: 17°C | Lo: 26°FLo: -3°C | Hi: 66°FHi: 19°C | Lo: 27°FLo: -3°C | Hi: 67°FHi: 19°C Lo: 29°FLo: -2°C | Hi: 67°FHi: 19°C Lo: 29°FLo: -2°C | Hi: 67°FHi: 19°C Lo: 29°FLo: -2°C | Hi: 67°FHi: 19°C Lo: 29°FLo: -2°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 231 PM PDT Mon Oct 12 2026 
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Issued: 300 PM PDT Mon Oct 12 2026
Key Messages
- Cooler weather continues through Tuesday morning, with chilly overnight temperatures.
- Valley rain showers and snow on the highest peaks are possible through Tuesday morning.
- A gradual warming trend begins on Tuesday, with dry conditions and light afternoon breezes returning.
Discussion
...
For the rest of today going into tonight, model guidance shows an upper low over SE Oregon traveling down into central Nevada. With this pattern aloft today, cooler air continues to flow into the regi...