Weather WorldDeer Lake, CA Weather Forecast
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Deer Lake Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY |
 |  | | | | | | | | | | |
| Sunny | Clear | Sunny | Clear | Sunny | Clear | Sunny | Clear | Clear | Mostly Clear | Mostly Clear | Mostly Clear |
| Hi: 68°FHi: 20°C | Lo: 46°FLo: 8°C | Hi: 64°FHi: 18°C | Lo: 44°FLo: 7°C | Hi: 63°FHi: 17°C | Lo: 45°FLo: 7°C | Hi: 70°FHi: 21°C | Hi: 72°FHi: 22°C Lo: 49°FLo: 9°C | Hi: 72°FHi: 22°C Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C Lo: 50°FLo: 10°C | Hi: 71°FHi: 22°C Lo: 50°FLo: 10°C | Hi: 71°FHi: 22°C Lo: 50°FLo: 10°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 201 AM PDT Tue Sep 15 2026 
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Issued: 1115 AM PDT Mon Sep 14 2026
Key Messages
- Critical fire weather conditions through this afternoon due to gusty winds and low daytime humidity
- Red Flag Warning in place for portions of the Sacramento Valley and adjacent foothills until 5 PM PDT Today
- Precipitation Chances (10-25%) Wed-Thu for Shasta County, Coast Range, and Southern Cascades with nonzero thunderstorm chances (5-15%)
Discussion
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Today-Tuesday: The main weather highlight this morning is ongoing gusty north winds along the Interstate corridor around 15-30 MPH. T...