Sierra, NV Weather Forecast
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| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY |
| Clear | Sunny | Clear | Sunny | Clear | Sunny | Clear | Mostly Clear | Mostly Clear | Mostly Sunny | Chance of Rain | Chance of Rain |
| Lo: 63°FLo: 17°C | Hi: 87°FHi: 31°C | Lo: 63°FLo: 17°C | Hi: 88°FHi: 31°C | Lo: 63°FLo: 17°C | Hi: 85°FHi: 29°C | Lo: 58°FLo: 14°C | Hi: 69°FHi: 21°C Lo: 53°FLo: 12°C | Hi: 69°FHi: 21°C Lo: 53°FLo: 12°C | Hi: 62°FHi: 17°C | Lo: 47°FLo: 8°C | Hi: 62°FHi: 17°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 202 PM PDT Tue Oct 06 2026 

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Issued: 1159 AM PDT Tue Oct 6 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/into next week, with some potential for unsettled weather, and elevated fire weather conditions.
Discussion
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...Today through Friday... Mostly clear skies with some lingering haze ob...
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