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 5 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Wind Chill26°F (-3°C)
Last update 19 Feb 01:01 AM PST
Extended Forecast for

5 Miles SW Lakeport CA

  • Today

    Today: A 20 percent chance of snow showers after 1pm. Mostly sunny, with a high near 38. Breezy, with a west northwest wind around 17 mph, with gusts as high as 28 mph.

    High: 38 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance Snow
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 29. Northwest wind 7 to 14 mph, with gusts as high as 22 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of rain and snow showers after 4pm. Mostly sunny, with a high near 42. Light and variable wind becoming south southwest 5 to 7 mph in the morning. Chance of precipitation is 10%.

    High: 42 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A slight chance of rain and snow showers before 10pm, then a chance of snow showers between 10pm and 1am, then a chance of rain and snow showers after 1am. Mostly cloudy, with a low around 35. East southeast wind around 7 mph. Chance of precipitation is 30%.

    Low: 35 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow before 7am, then rain. High near 45. Breezy, with an east southeast wind 18 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 45 °F

    Breezy.
    Chance
    Rain/Snow
    then Rain

  • Saturday Night

    Saturday Night: Rain. Low around 41. Windy, with a southeast wind 22 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Rain and
    Windy

  • Sunday

    Sunday: Rain. High near 51. Windy. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Rain and
    Windy

  • Sunday Night

    Sunday Night: Rain. Cloudy, with a low around 49. Windy.

    Low: 49 °F

    Rain and
    Windy

  • Monday

    Monday: Rain. Cloudy, with a high near 51. Windy.

    High: 51 °F

    Rain and
    Windy

Detailed Forecast

Today
A 20 percent chance of snow showers after 1pm. Mostly sunny, with a high near 38. Breezy, with a west northwest wind around 17 mph, with gusts as high as 28 mph.
Tonight
Mostly clear, with a low around 29. Northwest wind 7 to 14 mph, with gusts as high as 22 mph.
Friday
A slight chance of rain and snow showers after 4pm. Mostly sunny, with a high near 42. Light and variable wind becoming south southwest 5 to 7 mph in the morning. Chance of precipitation is 10%.
Friday Night
A slight chance of rain and snow showers before 10pm, then a chance of snow showers between 10pm and 1am, then a chance of rain and snow showers after 1am. Mostly cloudy, with a low around 35. East southeast wind around 7 mph. Chance of precipitation is 30%.
Saturday
A chance of rain and snow before 7am, then rain. High near 45. Breezy, with an east southeast wind 18 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday Night
Rain. Low around 41. Windy, with a southeast wind 22 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 51. Windy. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain. Cloudy, with a low around 49. Windy.
Monday
Rain. Cloudy, with a high near 51. Windy.
Monday Night
Rain. Cloudy, with a low around 48.
Tuesday
Rain. Cloudy, with a high near 51.
Tuesday Night
Rain. Mostly cloudy, with a low around 47.
Wednesday
Showers likely. Mostly cloudy, with a high near 50.
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Forecast Area
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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 am PST Feb 19, 2026
Forecast Valid:
10am PST Feb 19, 2026-6pm PST Feb 25, 2026
 
Forecast Discussion
 
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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