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

31°F

-1°C

Humidity 99%
Wind Speed ESE 13 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Wind Chill21°F (-6°C)
Last update 21 Feb 04:01 AM PST
Extended Forecast for

5 Miles SW Lakeport CA

  • Tonight

    Tonight: A chance of showers before 1am, then rain, mainly after 1am. Low around 42. Windy, with a south southeast wind 22 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Windy. Chance
    Showers then
    Rain

  • Sunday

    Sunday: Rain, mainly before 10am. High near 48. Windy, with a south wind 14 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Rain and
    Windy then
    Chance Rain
    and Breezy

  • Sunday Night

    Sunday Night: A 50 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 46. South southeast wind 8 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance Rain

  • Monday

    Monday: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 55. South southeast wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.

    High: 55 °F

    Chance Rain
    then Rain
    Likely

  • Monday Night

    Monday Night: Rain. Low around 49. Breezy, with a south southeast wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 49 °F

    Rain and
    Breezy

  • Tuesday

    Tuesday: Rain. High near 53. Breezy, with a south wind 9 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 53 °F

    Rain and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain, mainly before 10pm. Low around 50. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 50 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: A chance of rain, mainly after 4pm. Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance Rain

Detailed Forecast

Tonight
A chance of showers before 1am, then rain, mainly after 1am. Low around 42. Windy, with a south southeast wind 22 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain, mainly before 10am. High near 48. Windy, with a south wind 14 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 50 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 46. South southeast wind 8 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 55. South southeast wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Monday Night
Rain. Low around 49. Breezy, with a south southeast wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Rain. High near 53. Breezy, with a south wind 9 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Tuesday Night
Rain, mainly before 10pm. Low around 50. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A chance of rain, mainly after 4pm. Mostly cloudy, with a high near 57.
Wednesday Night
A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 47.
Thursday
A slight chance of rain. Mostly sunny, with a high near 60.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 65.
Friday Night
Mostly cloudy, with a low around 51.
Saturday
A slight chance of rain. Partly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Lakeport CA
 38.99°N 122.99°W (Elev. 2595 ft)
Last Update:
1:10 pm PST Feb 21, 2026
Forecast Valid:
7pm PST Feb 21, 2026-6pm PST Feb 28, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation