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

10 Miles NNW Lakeport CA

Cold Weather Advisory until February 18, 07:00am
Winter Storm Warning February 18, 04:30am 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, 04:30am until February 19, 06:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 26 °F

    Chance Snow
    Showers

  • 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 44. West wind 5 to 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A slight chance of rain showers before 7pm, then rain and snow showers. Patchy fog after 1am. Low around 30. 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: 30 °F

    Rain/Snow and
    Patchy Fog

  • Thursday

    Thursday: Snow showers before 10am, then a chance of rain showers. High near 43. West northwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Rain/Snow
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of rain and snow showers before 7pm, then a slight chance of snow showers between 7pm and 10pm. Mostly clear, with a low around 20. Northwest wind 5 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 20 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Clear

  • Friday

    Friday: A slight chance of snow showers between 10am and 1pm, then a slight chance of rain showers after 1pm. Mostly sunny, with a high near 46. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

    High: 46 °F

    Slight Chance
    Snow Showers
    then Slight
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain showers before 7pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 29. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 29 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow showers before 10am, then rain showers likely. Mostly cloudy, with a high near 46.

    High: 46 °F

    Rain/Snow
    Likely then
    Showers
    Likely

Detailed Forecast

Overnight
A 50 percent chance of snow showers. Mostly cloudy, with a low around 26. Light west northwest 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 44. West wind 5 to 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A slight chance of rain showers before 7pm, then rain and snow showers. Patchy fog after 1am. Low around 30. 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
Snow showers before 10am, then a chance of rain showers. High near 43. West northwest wind 10 to 13 mph, with gusts as high as 23 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 7pm, then a slight chance of snow showers between 7pm and 10pm. Mostly clear, with a low around 20. Northwest wind 5 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday
A slight chance of snow showers between 10am and 1pm, then a slight chance of rain showers after 1pm. Mostly sunny, with a high near 46. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
A chance of rain showers before 7pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 29. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of rain and snow showers before 10am, then rain showers likely. Mostly cloudy, with a high near 46.
Saturday Night
Showers. Cloudy, with a low around 41.
Sunday
Showers. Cloudy, with a high near 52.
Sunday Night
Showers. Cloudy, with a low around 41.
Monday
Showers. Cloudy, with a high near 52.
Monday Night
Showers. Cloudy, with a low around 38.
Tuesday
Showers. Cloudy, with a high near 54.
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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:
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

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