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Lagoon Lake Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  | | | |  |  | | |  | | |
| Clear | Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Chance of Rain | Rain and Snow | Rain and Snow | Rain and Snow | Chance of Rain | Mostly Clear | Mostly Clear |
| Lo: 56°FLo: 13°C | Hi: 73°FHi: 23°C | Lo: 51°FLo: 11°C | Hi: 59°FHi: 15°C | Lo: 41°FLo: 5°C | Hi: 51°FHi: 11°C | Lo: 37°FLo: 3°C | Hi: 48°FHi: 9°C Lo: 37°FLo: 3°C | Hi: 48°FHi: 9°C Lo: 37°FLo: 3°C | Hi: 53°FHi: 12°C | Hi: 56°FHi: 13°C Lo: 38°FLo: 3°C | Hi: 56°FHi: 13°C Lo: 38°FLo: 3°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 800 PM PDT Thu Oct 08 2026 
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Issued: 124 PM PDT Thu Oct 8 2026
Key Messages
- Heat Advisory in effect until 10 PM tonight for the Sacramento Valley, Delta, northern San Joaquin Valley, and adjacent foothills.
- Widespread Moderate HeatRisk with areas of Major HeatRisk today for the Delta, Valley, and Foothills.
- Pattern change will bring cooler temperatures, unsettled weather beginning this weekend into early next week
Discussion
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...Today... Mostly sunny skies across interior NorCal at the time of this writing. Temperatures climbing into the 80s across Valley lo...