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

32°F

0°C

Humidity 99%
Wind Speed W 14 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill22°F (-6°C)
Last update 19 Feb 12:01 PM PST
Extended Forecast for

Lakeport CA

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

  • This Afternoon

    This Afternoon: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 43. Windy, with a northwest wind around 22 mph, with gusts as high as 33 mph.

    High: 43 °F

    Slight Chance
    Showers and
    Windy

  • Tonight

    Tonight: Mostly clear, with a low around 22. Blustery, with a west northwest wind 7 to 17 mph, with gusts as high as 28 mph.

    Low: 22 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Friday

    Friday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 46. Light and variable wind.

    High: 46 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers after 10pm. Mostly cloudy, with a low around 29. East southeast wind 5 to 13 mph, with gusts as high as 21 mph.

    Low: 29 °F

    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of rain. Mostly cloudy, with a high near 48. Breezy, with an east southeast wind 13 to 17 mph, with gusts as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Chance Rain
    and Breezy

  • Saturday Night

    Saturday Night: Rain. Low around 43. Breezy, with a southeast wind 17 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Rain and
    Breezy

  • Sunday

    Sunday: Rain. High near 52. Breezy. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain and
    Breezy

  • Sunday Night

    Sunday Night: Rain. Cloudy, with a low around 44. Breezy.

    Low: 44 °F

    Rain and
    Breezy

  • Monday

    Monday: Rain. Cloudy, with a high near 54. Breezy.

    High: 54 °F

    Rain and
    Breezy

Detailed Forecast

This Afternoon
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 43. Windy, with a northwest wind around 22 mph, with gusts as high as 33 mph.
Tonight
Mostly clear, with a low around 22. Blustery, with a west northwest wind 7 to 17 mph, with gusts as high as 28 mph.
Friday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 46. Light and variable wind.
Friday Night
A 30 percent chance of showers after 10pm. Mostly cloudy, with a low around 29. East southeast wind 5 to 13 mph, with gusts as high as 21 mph.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 48. Breezy, with an east southeast wind 13 to 17 mph, with gusts as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain. Low around 43. Breezy, with a southeast wind 17 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 52. Breezy. 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 44. Breezy.
Monday
Rain. Cloudy, with a high near 54. Breezy.
Monday Night
Rain. Cloudy, with a low around 42.
Tuesday
Rain. Cloudy, with a high near 55.
Tuesday Night
Rain. Mostly cloudy, with a low around 41.
Wednesday
Showers likely. Mostly cloudy, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lakeport CA
 39.05°N 122.92°W (Elev. 1388 ft)
Last Update:
1:10 am PST Feb 19, 2026
Forecast Valid:
12pm PST Feb 19, 2026-6pm PST Feb 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation