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Lassen High School Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
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| Clear | Sunny | Clear | Sunny | Clear | Sunny | Clear | Clear | Clear | Clear | Clear | Clear |
| Lo: 49°FLo: 9°C | Hi: 85°FHi: 29°C | Lo: 49°FLo: 9°C | Hi: 87°FHi: 31°C | Lo: 49°FLo: 9°C | Hi: 87°FHi: 31°C | Lo: 50°FLo: 10°C | Hi: 86°FHi: 30°C Lo: 47°FLo: 8°C | Hi: 86°FHi: 30°C Lo: 47°FLo: 8°C | Hi: 78°FHi: 26°C Lo: 37°FLo: 3°C | Hi: 78°FHi: 26°C Lo: 37°FLo: 3°C | Hi: 64°FHi: 18°C Lo: 32°FLo: 0°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 231 PM PDT Mon Oct 05 2026 
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Issued: 124 PM PDT Mon Oct 5 2026
Key Messages
- A weak area of low pressure brings isolated light shower and thunder chances this afternoon.
- Above normal temperatures are expected to persist through late week, with daily record highs possible throughout the area.
- A cooling trend with increased winds arrives this weekend, but confidence is lower for precipitation chances.
Discussion
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Showers with embedded lightning moved across the Truckee, Boca/Prosser/Stampede reservoir areas earlier today with light rainfall amounts to 0.10". Ad...