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

Hazardous Weather Conditions

Current conditions at

LYONS VALLEY (COWC1)

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

NA

30°F

-1°C

Humidity 99%
Wind Speed WNW 9 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Wind Chill22°F (-6°C)
Last update 19 Feb 08:01 PM PST
Extended Forecast for

5 Miles SW Lakeport CA

Cold Weather Advisory February 20, 12:00am until February 20, 09:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 29. Blustery, with a northwest wind 10 to 16 mph, with gusts as high as 26 mph.

    Low: 29 °F

    Mostly Clear
    and Blustery
    then Partly
    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 42. Light and variable wind becoming south 5 to 7 mph in the morning.

    High: 42 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of rain and snow after 10pm. Mostly cloudy, with a low around 35. East southeast wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    Low: 35 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow before 10am, then rain likely. Mostly cloudy, with a high near 46. Breezy, with a southeast wind around 20 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 46 °F

    Breezy.
    Chance
    Rain/Snow
    then Rain
    Likely

  • Saturday Night

    Saturday Night: Rain. Low around 41. Windy, with a southeast wind around 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 52. Windy, with a south southeast wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 52 °F

    Rain and
    Windy

  • Sunday Night

    Sunday Night: Rain. Low around 50. Breezy. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 50 °F

    Rain and
    Breezy

  • Monday

    Monday: Rain. Cloudy, with a high near 53. Breezy.

    High: 53 °F

    Rain and
    Breezy

  • Monday Night

    Monday Night: Rain. Cloudy, with a low around 50.

    Low: 50 °F

    Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 29. Blustery, with a northwest wind 10 to 16 mph, with gusts as high as 26 mph.
Friday
Partly sunny, with a high near 42. Light and variable wind becoming south 5 to 7 mph in the morning.
Friday Night
A chance of rain and snow after 10pm. Mostly cloudy, with a low around 35. East southeast wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Saturday
A chance of rain and snow before 10am, then rain likely. Mostly cloudy, with a high near 46. Breezy, with a southeast wind around 20 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday Night
Rain. Low around 41. Windy, with a southeast wind around 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 52. Windy, with a south southeast wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain. Low around 50. Breezy. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain. Cloudy, with a high near 53. Breezy.
Monday Night
Rain. Cloudy, with a low around 50.
Tuesday
Rain. Cloudy, with a high near 52.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 46.
Wednesday
Rain likely. Mostly cloudy, with a high near 53.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 46.
Thursday
A chance of rain. Partly sunny, with a high near 55.
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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 pm PST Feb 19, 2026
Forecast Valid:
9pm PST Feb 19, 2026-6pm PST Feb 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation