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Long Island, CA Weather Forecast
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Long Island Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
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| Chance of T-Storm | Chance of Rain | Mostly Cloudy | Mostly Cloudy | Chance of Rain | Rain | Chance of Rain | Mostly Clear | Mostly Clear | Chance of Rain | Rain | Rain |
| Hi: 62°FHi: 17°C | Lo: 47°FLo: 8°C | Hi: 65°FHi: 18°C | Lo: 48°FLo: 9°C | Hi: 63°FHi: 17°C | Lo: 48°FLo: 9°C | Hi: 60°FHi: 16°C | Hi: 60°FHi: 16°C Lo: 42°FLo: 6°C | Hi: 60°FHi: 16°C Lo: 42°FLo: 6°C | Lo: 44°FLo: 7°C | Hi: 55°FHi: 13°C Lo: 44°FLo: 7°C | Hi: 55°FHi: 13°C Lo: 44°FLo: 7°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 102 AM PST Fri Nov 13 2026 
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Issued: 226 PM PST Thu Nov 12 2026
Key Messages
- Dry weather with above normal temperatures today
- A series of storm systems will bring widespread rain, moderate to heavy rain and snow in the mountains, and gusty to strong southerly winds Friday into early next week
- Winter Storm Warning in effect from Friday morning through Saturday morning for the Sierra and Lassen National Park above 6000`
- Wind Advisory is in effect from 4 am to 7 pm PST Friday for the Sacramento Valley and Delta
- Flood Advisory until 4 PM Friday for low-lying area...