National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

LYONS VALLEY (COWC1)

Lat: 39.12583°NLon: 123.07333°WElev: 3355.0ft.

NA

68°F

20°C

Humidity 31%
Wind Speed W 16 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 29 Mar 06:01 PM PDT
Extended Forecast for

10 Miles NNW Lakeport CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. West northwest wind 5 to 9 mph becoming light northwest in the evening.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 73. Calm wind becoming west northwest 5 to 9 mph in the afternoon.

    High: 73 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 42. West northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 42 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers, mainly after 11am. Partly sunny, with a high near 65. Calm wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 65 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 41. West southwest wind 5 to 10 mph becoming light southwest in the evening. Winds could gust as high as 20 mph.

    Low: 41 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 57. Light south southwest wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain. Low around 36. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Rain

  • Thursday

    Thursday: A chance of rain, mainly before 11am. Mostly sunny, with a high near 57.

    High: 57 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 45. West northwest wind 5 to 9 mph becoming light northwest in the evening.
Monday
Partly sunny, with a high near 73. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Monday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 42. West northwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
A 40 percent chance of showers, mainly after 11am. Partly sunny, with a high near 65. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 41. West southwest wind 5 to 10 mph becoming light southwest in the evening. Winds could gust as high as 20 mph.
Wednesday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 57. Light south southwest wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain. Low around 36. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A chance of rain, mainly before 11am. Mostly sunny, with a high near 57.
Thursday Night
Mostly clear, with a low around 33.
Friday
Sunny, with a high near 71.
Friday Night
Clear, with a low around 40.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNW Lakeport CA
 39.17°N 122.98°W (Elev. 1998 ft)
Last Update:
2:10 pm PDT Mar 29, 2026
Forecast Valid:
7pm PDT Mar 29, 2026-6pm PDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation