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

26°F

-3°C

Humidity 97%
Wind Speed W 8 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill18°F (-8°C)
Last update 17 Feb 10:01 PM PST
Extended Forecast for

Lakeport CA

Cold Weather Advisory until February 18, 07:00am
Winter Storm Warning February 18, 04:07am until February 19, 06:00am
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning
  •  
    Cold Weather Advisory until February 18, 07:00am
    Winter Storm Warning February 18, 04:07am until February 19, 06:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 27 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: A chance of snow showers before 10am, then a chance of rain showers. Partly sunny, with a high near 43. West southwest wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Rain showers before 4am, then rain and snow showers. Low around 32. South wind around 6 mph becoming calm. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 32 °F

    Showers then
    Rain/Snow

  • Thursday

    Thursday: Rain and snow showers before 10am, then a chance of rain showers between 10am and 4pm, then a slight chance of rain and snow showers after 4pm. High near 43. West northwest wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A slight chance of rain and snow showers before 10pm. Mostly clear, with a low around 22. Northwest wind 5 to 9 mph. Chance of precipitation is 20%.

    Low: 22 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Clear

  • Friday

    Friday: Mostly sunny, with a high near 45. Calm wind becoming south around 5 mph in the afternoon.

    High: 45 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after 10am. Mostly cloudy, with a high near 45.

    High: 45 °F

    Showers
    Likely

Detailed Forecast

Overnight
A 50 percent chance of snow showers. Mostly cloudy, with a low around 27. West wind around 6 mph.
Wednesday
A chance of snow showers before 10am, then a chance of rain showers. Partly sunny, with a high near 43. West southwest wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain showers before 4am, then rain and snow showers. Low around 32. South wind around 6 mph becoming calm. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Rain and snow showers before 10am, then a chance of rain showers between 10am and 4pm, then a slight chance of rain and snow showers after 4pm. High near 43. West northwest wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
A slight chance of rain and snow showers before 10pm. Mostly clear, with a low around 22. Northwest wind 5 to 9 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 45. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 29.
Saturday
Showers likely, mainly after 10am. Mostly cloudy, with a high near 45.
Saturday Night
Showers. Cloudy, with a low around 43.
Sunday
Showers. Cloudy, with a high near 51.
Sunday Night
Showers. Cloudy, with a low around 42.
Monday
Showers. Cloudy, with a high near 52.
Monday Night
Showers. Cloudy, with a low around 38.
Tuesday
Showers. Cloudy, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lakeport CA
 39.05°N 122.92°W (Elev. 1388 ft)
Last Update:
1:10 am PST Feb 18, 2026
Forecast Valid:
4am PST Feb 18, 2026-6pm PST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation