Sierra, NV Weather Forecast
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| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
| Clear | Sunny | Clear | Sunny | Clear | Sunny | Clear | Clear | Clear | Clear | Clear | Sunny |
| Lo: 64°FLo: 18°C | Hi: 87°FHi: 31°C | Lo: 63°FLo: 17°C | Hi: 88°FHi: 31°C | Lo: 62°FLo: 17°C | Hi: 89°FHi: 32°C | Lo: 63°FLo: 17°C | Hi: 88°FHi: 31°C Lo: 63°FLo: 17°C | Hi: 88°FHi: 31°C Lo: 63°FLo: 17°C | Hi: 76°FHi: 24°C Lo: 58°FLo: 14°C | Hi: 76°FHi: 24°C Lo: 58°FLo: 14°C | Hi: 67°FHi: 19°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 202 PM PDT Mon Oct 05 2026 

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Issued: 1141 AM PDT Mon Oct 5 2026
Key Messages
- Heat Advisory now in effect till 10 PM Friday for the Sacramento Valley, Delta, northern San Joaquin Valley, and adjacent foothills.
- Widespread Moderate HeatRisk with areas of Major HeatRisk through Friday for the Delta, Valley, and Foothills.
- Confidence is increasing for a cooling trend over the weekend, with some potential for unsettled weather.
Discussion
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...Today through Friday...
While some mid to high level clouds are lingering this afternoon following last night`s foothills an...
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