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

28°F

-2°C

Humidity 90%
Wind Speed NW 11 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill18°F (-8°C)
Last update 20 Feb 06:01 AM PST
Extended Forecast for

2 Miles SSE Lakeport CA

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

    NOW until 9:00am Fri

    Cold Weather Advisory

  • Today

    High: 47 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 29. East wind around 6 mph.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 50. South southeast wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Chance Rain
    then Rain
    Likely

  • Saturday Night

    Saturday Night: Rain. Low around 43. Southeast wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Rain

  • Sunday

    Sunday: Rain. High near 53. South southeast wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Rain

  • Sunday Night

    Sunday Night: Rain, mainly before 4am. Low around 44. South southeast wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Rain

  • Monday

    Monday: Rain likely, mainly after 10am. Mostly cloudy, with a high near 57. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 57 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain. Cloudy, with a low around 46.

    Low: 46 °F

    Rain

Detailed Forecast

Today
Partly sunny, with a high near 47. Calm wind becoming east southeast around 5 mph in the afternoon.
Tonight
A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 29. East wind around 6 mph.
Saturday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 50. South southeast wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain. Low around 43. Southeast wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 53. South southeast wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain, mainly before 4am. Low around 44. South southeast wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 57. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Rain. Cloudy, with a low around 46.
Tuesday
Rain. Mostly cloudy, with a high near 56.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 41.
Wednesday
A chance of rain. Mostly cloudy, with a high near 59.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 43.
Thursday
A chance of rain. Mostly cloudy, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Lakeport CA
 39.01°N 122.91°W (Elev. 1391 ft)
Last Update:
1:10 am PST Feb 20, 2026
Forecast Valid:
6am PST Feb 20, 2026-6pm PST Feb 26, 2026
 
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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