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

65°F

18°C

Humidity 24%
Wind Speed W 17 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 07 Apr 05:01 PM PDT
Extended Forecast for

10 Miles NNW Lakeport CA

  • Tonight

    Tonight: Partly cloudy, with a low around 45. West northwest wind 8 to 13 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after 11am. Mostly sunny, with a high near 75. West northwest wind 7 to 10 mph.

    High: 75 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 11pm. Patchy fog after 2am. Otherwise, mostly clear, with a low around 45. West northwest wind 7 to 10 mph.

    Low: 45 °F

    Slight Chance
    Showers then
    Patchy Fog

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Patchy fog before 11am. Otherwise, partly sunny, with a high near 69. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: A 40 percent chance of showers. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 45. West northwest wind 5 to 9 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after 11am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 66. Calm wind becoming south southwest 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers
    Likely and
    Patchy Fog

  • Friday Night

    Friday Night: A 50 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 42. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance Rain
    then Slight
    Chance Rain

  • Saturday

    Saturday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 59.

    High: 59 °F

    Rain Likely

  • Saturday Night

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 45. West northwest wind 8 to 13 mph, with gusts as high as 20 mph.
Wednesday
A 20 percent chance of showers after 11am. Mostly sunny, with a high near 75. West northwest wind 7 to 10 mph.
Wednesday Night
A 20 percent chance of showers before 11pm. Patchy fog after 2am. Otherwise, mostly clear, with a low around 45. West northwest wind 7 to 10 mph.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Patchy fog before 11am. Otherwise, partly sunny, with a high near 69. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 40 percent chance of showers. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 45. West northwest wind 5 to 9 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 11am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 66. Calm wind becoming south southwest 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 50 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 42. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 59.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 36.
Sunday
A chance of rain. Partly sunny, with a high near 56.
Sunday Night
A slight chance of rain. Partly cloudy, with a low around 34.
Monday
Sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Mostly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNW Lakeport CA
 39.17°N 122.98°W (Elev. 1998 ft)
Last Update:
4:54 pm PDT Apr 7, 2026
Forecast Valid:
5pm PDT Apr 7, 2026-6pm PDT Apr 14, 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