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

29°F

-2°C

Humidity 99%
Wind Speed WNW 11 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Wind Chill19°F (-7°C)
Last update 19 Feb 10:01 PM PST
Extended Forecast for

2 Miles SSE 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: Patchy fog after 4am. Otherwise, mostly clear, with a low around 22. West wind around 5 mph.

    Low: 22 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 48. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 48 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 30. East southeast wind around 7 mph.

    Low: 30 °F

    Chance Rain

  • Saturday

    Saturday: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 49. Southeast wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Rain Likely

  • Saturday Night

    Saturday Night: Rain. Low around 43. Breezy, with a southeast wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Rain and
    Breezy

  • Sunday

    Sunday: Rain. High near 53. Breezy, with a south southeast wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Rain and
    Breezy

  • Sunday Night

    Sunday Night: Rain. Low around 45. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Rain

  • Monday

    Monday: Rain likely. Mostly cloudy, with a high near 57.

    High: 57 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain. Cloudy, with a low around 45.

    Low: 45 °F

    Rain

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 22. West wind around 5 mph.
Friday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 48. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 30. East southeast wind around 7 mph.
Saturday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 49. Southeast wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain. Low around 43. Breezy, with a southeast wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 53. Breezy, with a south southeast wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain. Low around 45. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain likely. Mostly cloudy, with a high near 57.
Monday Night
Rain. Cloudy, with a low around 45.
Tuesday
Rain. Cloudy, with a high near 56.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 41.
Wednesday
Rain likely. Mostly cloudy, with a high near 58.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 40.
Thursday
A chance of rain. Partly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Lakeport CA
 39.01°N 122.91°W (Elev. 1391 ft)
Last Update:
1:10 pm PST Feb 19, 2026
Forecast Valid:
10pm PST Feb 19, 2026-6pm PST Feb 26, 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