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

38°F

3°C

Humidity 82%
Wind Speed SE 5 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Wind Chill34°F (1°C)
Last update 20 Feb 01:01 PM PST
Extended Forecast for

9 Miles N Lakeport CA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 48. Southeast wind around 7 mph.

    High: 48 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 10 percent chance of showers after 4am. Increasing clouds, with a low around 27. East southeast wind 3 to 6 mph.

    Low: 27 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after 4pm. Mostly cloudy, with a high near 51. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.

    High: 51 °F

    Breezy.
    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers. Low around 36. Breezy, with a southeast wind around 20 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Showers and
    Breezy

  • Sunday

    Sunday: Rain. High near 55. South southeast wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 40. Southeast wind 7 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Rain Likely

  • Monday

    Monday: A 40 percent chance of rain. Mostly cloudy, with a high near 61. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain. Cloudy, with a low around 44.

    Low: 44 °F

    Rain

  • Tuesday

    Tuesday: Rain. Cloudy, with a high near 58.

    High: 58 °F

    Rain

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 48. Southeast wind around 7 mph.
Tonight
A 10 percent chance of showers after 4am. Increasing clouds, with a low around 27. East southeast wind 3 to 6 mph.
Saturday
Showers likely, mainly after 4pm. Mostly cloudy, with a high near 51. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.
Saturday Night
Showers. Low around 36. Breezy, with a southeast wind around 20 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. High near 55. South southeast wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 40. Southeast wind 7 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 40 percent chance of rain. Mostly cloudy, with a high near 61. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Rain. Cloudy, with a low around 44.
Tuesday
Rain. Cloudy, with a high near 58.
Tuesday Night
Rain likely, mainly before 10pm. Patchy fog after 4am. Otherwise, cloudy, with a low around 40.
Wednesday
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 63.
Wednesday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 39.
Thursday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles N Lakeport CA
 39.18°N 122.96°W (Elev. 1391 ft)
Last Update:
1:10 pm PST Feb 20, 2026
Forecast Valid:
2pm PST Feb 20, 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