Loon Lake, CA Weather Forecast
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Loon Lake Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY |
| Chance of Rain | Chance of Rain | Mostly Sunny | Clear | Sunny | Clear | Sunny | Clear | Chance of Rain | Chance of Rain | Chance of Rain | Chance of Rain |
| Hi: 53°FHi: 12°C | Lo: 44°FLo: 7°C | Hi: 62°FHi: 17°C | Lo: 45°FLo: 7°C | Hi: 60°FHi: 16°C | Lo: 42°FLo: 6°C | Hi: 66°FHi: 19°C | Lo: 47°FLo: 8°C | Hi: 69°FHi: 21°C | Lo: 52°FLo: 11°C | Hi: 70°FHi: 21°C Lo: 53°FLo: 12°C | Hi: 70°FHi: 21°C Lo: 53°FLo: 12°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 800 AM PDT Fri Sep 04 2026 

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Issued: 127 PM PDT Thu Sep 3 2026
Key Messages
- Well below normal temperatures persist through this week
- Wet weather continues this week, thunderstorms and scattered to widespread showers north of I-80 this afernoon and evening
- Showers continue on Friday over the Sierra and southern Cascades and adjacent foothills
- Mainly dry Saturday, with some mountain showers Sunday, mainly north of I-80
- There is the potential for some monsoonal moisture mid-next week, but confidence in details remains low at this point
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