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

34°F

1°C

Humidity 66%
Wind Speed S 8 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Wind Chill27°F (-3°C)
Last update 20 Feb 06:01 PM PST
Extended Forecast for

10 Miles NNW Lakeport CA

  • Tonight

    Tonight: A 10 percent chance of showers after 4am. Increasing clouds, with a low around 29. Southeast wind 5 to 10 mph.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after 4pm. Mostly cloudy, with a high near 50. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.

    High: 50 °F

    Breezy.
    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers. Low around 38. Breezy, with a southeast wind around 20 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Showers and
    Breezy

  • Sunday

    Sunday: Rain. High near 54. Breezy, with a south southeast wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Rain and
    Breezy

  • Sunday Night

    Sunday Night: Rain likely, mainly before 10pm. Cloudy, with a low around 43. Southeast wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Rain Likely

  • Monday

    Monday: A 40 percent chance of rain. Mostly cloudy, with a high near 59. South southeast wind 7 to 10 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain. Low around 46. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    Low: 46 °F

    Rain

  • Tuesday

    Tuesday: Rain. Cloudy, with a high near 56.

    High: 56 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 10pm. Cloudy, with a low around 42.

    Low: 42 °F

    Rain Likely

Detailed Forecast

Tonight
A 10 percent chance of showers after 4am. Increasing clouds, with a low around 29. Southeast wind 5 to 10 mph.
Saturday
Showers likely, mainly after 4pm. Mostly cloudy, with a high near 50. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.
Saturday Night
Showers. Low around 38. Breezy, with a southeast wind around 20 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. High near 54. Breezy, with a south southeast wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely, mainly before 10pm. Cloudy, with a low around 43. Southeast wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 40 percent chance of rain. Mostly cloudy, with a high near 59. South southeast wind 7 to 10 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Rain. Low around 46. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Tuesday
Rain. Cloudy, with a high near 56.
Tuesday Night
Rain likely, mainly before 10pm. Cloudy, with a low around 42.
Wednesday
A chance of rain. Mostly cloudy, with a high near 61.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 41.
Thursday
A chance of rain. Partly sunny, with a high near 64.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 42.
Friday
A chance of rain. Partly sunny, with a high near 67.
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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:
1:10 pm PST Feb 20, 2026
Forecast Valid:
7pm PST Feb 20, 2026-6pm PST Feb 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation