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

10 Miles NNW 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: Mostly sunny, with a high near 44. Breezy, with a northwest wind around 18 mph, with gusts as high as 31 mph.

    High: 44 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 19. Northwest wind 6 to 9 mph.

    Low: 19 °F

    Mostly Clear

  • Friday

    Friday: A 10 percent chance of rain after 4pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 47. Calm wind becoming southeast 5 to 8 mph in the morning.

    High: 47 °F

    Patchy Fog
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 29. Southeast wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    Low: 29 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Saturday

    Saturday: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 49. Breezy, with a southeast wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Rain Likely
    and Breezy

  • Saturday Night

    Saturday Night: Rain. Low around 41. Windy, with a southeast wind around 22 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Rain and
    Windy

  • Sunday

    Sunday: Rain. High near 53. Breezy. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 53 °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 57.

    High: 57 °F

    Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 44. Breezy, with a northwest wind around 18 mph, with gusts as high as 31 mph.
Tonight
Mostly clear, with a low around 19. Northwest wind 6 to 9 mph.
Friday
A 10 percent chance of rain after 4pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 47. Calm wind becoming southeast 5 to 8 mph in the morning.
Friday Night
A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 29. Southeast wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Saturday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 49. Breezy, with a southeast wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain. Low around 41. Windy, with a southeast wind around 22 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 53. Breezy. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain. Cloudy, with a low around 44. Breezy.
Monday
Rain. Cloudy, with a high near 57.
Monday Night
Rain. Cloudy, with a low around 44.
Tuesday
Rain. Cloudy, with a high near 56.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 39.
Wednesday
Rain likely. Mostly cloudy, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNW Lakeport CA
 39.17°N 122.98°W (Elev. 1998 ft)
Last Update:
12:56 pm PST Feb 19, 2026
Forecast Valid:
1pm PST Feb 19, 2026-6pm PST Feb 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation