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

9 Miles N Lakeport CA

Cold Weather Advisory until February 18, 07:00am
Winter Storm Warning February 18, 01:28am 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, 01:28am until February 19, 06:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 24 °F

    Chance Snow
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of snow showers before 10am, then a chance of rain and snow showers between 10am and 1pm, then a chance of rain showers after 1pm. Mostly cloudy, with a high near 45. West wind 3 to 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow showers before 1am, then rain showers between 1am and 4am, then rain and snow showers after 4am. Patchy fog after 1am. Low around 29. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain/Snow and
    Patchy Fog

  • Thursday

    Thursday: Rain and snow showers before 10am, then a chance of rain showers. High near 44. West northwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Rain/Snow
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of rain and snow showers before 10pm. Mostly clear, with a low around 18. Northwest wind 3 to 8 mph. Chance of precipitation is 20%.

    Low: 18 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Clear

  • Friday

    Friday: A 20 percent chance of showers after 10am. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 48. Calm wind becoming south around 6 mph in the afternoon.

    High: 48 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: A chance of rain showers before 10pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 26. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 26 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: Showers likely, mainly after 10am. Mostly cloudy, with a high near 48.

    High: 48 °F

    Showers
    Likely

Detailed Forecast

Overnight
A 30 percent chance of snow showers, mainly after 4am. Patchy fog. Otherwise, mostly cloudy, with a low around 24. Calm wind.
Wednesday
A chance of snow showers before 10am, then a chance of rain and snow showers between 10am and 1pm, then a chance of rain showers after 1pm. Mostly cloudy, with a high near 45. West wind 3 to 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain and snow showers before 1am, then rain showers between 1am and 4am, then rain and snow showers after 4am. Patchy fog after 1am. Low around 29. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday
Rain and snow showers before 10am, then a chance of rain showers. High near 44. West northwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Thursday Night
A slight chance of rain and snow showers before 10pm. Mostly clear, with a low around 18. Northwest wind 3 to 8 mph. Chance of precipitation is 20%.
Friday
A 20 percent chance of showers after 10am. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 48. Calm wind becoming south around 6 mph in the afternoon.
Friday Night
A chance of rain showers before 10pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 26. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers likely, mainly after 10am. Mostly cloudy, with a high near 48.
Saturday Night
Showers. Cloudy, with a low around 42.
Sunday
Showers. Cloudy, with a high near 53.
Sunday Night
Showers. Cloudy, with a low around 39.
Monday
Showers. Cloudy, with a high near 54.
Monday Night
Showers. Cloudy, with a low around 35.
Tuesday
Showers. Cloudy, with a high near 55.
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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 am PST Feb 18, 2026
Forecast Valid:
1am PST Feb 18, 2026-6pm PST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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