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 13 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Wind Chill21°F (-6°C)
Last update 21 Feb 04:01 AM PST
Extended Forecast for

2 Miles SSE Lakeport CA

  • Today

    Today: A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 50. South southeast wind 5 to 14 mph, with gusts as high as 24 mph.

    High: 50 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tonight

    Tonight: Rain, mainly after 10pm. Low around 40. Southeast wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Chance Rain
    then Rain

  • Sunday

    Sunday: Rain. High near 54. South southeast wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Rain

  • Sunday Night

    Sunday Night: A 50 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 43. East southeast wind 5 to 7 mph.

    Low: 43 °F

    Chance Rain

  • Monday

    Monday: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 60. Light and variable wind becoming south southeast 5 to 8 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Chance Rain
    then Rain
    Likely

  • Monday Night

    Monday Night: Rain. Low around 46. South southeast wind 3 to 5 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 46 °F

    Rain

  • Tuesday

    Tuesday: Rain. High near 55. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 55 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Rain Likely

  • Wednesday

    Wednesday: A chance of rain. Mostly cloudy, with a high near 60.

    High: 60 °F

    Chance Rain

Detailed Forecast

Today
A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 50. South southeast wind 5 to 14 mph, with gusts as high as 24 mph.
Tonight
Rain, mainly after 10pm. Low around 40. Southeast wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain. High near 54. South southeast wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 50 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 43. East southeast wind 5 to 7 mph.
Monday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 60. Light and variable wind becoming south southeast 5 to 8 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain. Low around 46. South southeast wind 3 to 5 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Rain. High near 55. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 43.
Wednesday
A chance of rain. Mostly cloudy, with a high near 60.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 41.
Thursday
A chance of rain. Partly sunny, with a high near 64.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 44.
Friday
A slight chance of rain. Mostly sunny, with a high near 68.
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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 21, 2026
Forecast Valid:
9am PST Feb 21, 2026-6pm PST Feb 27, 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