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Lyons Reservoir Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY |
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| Clear | Sunny | Clear | Sunny | Clear | Sunny | Clear | Mostly Clear | Mostly Clear | Clear | Clear | Clear |
| Lo: 56°FLo: 13°C | Hi: 81°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 84°FHi: 29°C | Lo: 62°FLo: 17°C | Hi: 87°FHi: 31°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: 87°FHi: 31°C Lo: 65°FLo: 18°C | Hi: 87°FHi: 31°C Lo: 65°FLo: 18°C | Hi: 87°FHi: 31°C Lo: 65°FLo: 18°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 800 PM PDT Mon Sep 28 2026 
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Issued: 1218 PM PDT Mon Sep 28 2026
Key Messages
- Elevated fire weather conditions today-Thursday AM due to periods of breezy north to east winds and low humidities.
- High temperatures, 5-15 degrees above normal, will lead to Moderate HeatRisk in the Delta and Valley/foothills south of I-80 Thursday-Sunday
Discussion
...
...Today-Thursday AM (9/28-10/01)...
Abundant sunshine is being observed across Northern California this afternoon via GOES satellite. High temperatures today will feel noticeably warmer compared to yesterday, with Valle...