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

27°F

-3°C

Humidity 98%
Wind Speed W 9 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Wind Chill18°F (-8°C)
Last update 17 Feb 09:01 PM PST
Extended Forecast for

5 Miles SW Lakeport CA

Cold Weather Advisory until February 18, 07:00am
Winter Storm Warning February 17, 09:37pm 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 17, 09:37pm until February 19, 06:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 31 °F

    Snow Showers
    Likely

  • Wednesday

    Wednesday: Snow showers likely, mainly after 4pm. Mostly cloudy, with a high near 39. West southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Snow Showers
    Likely

  • Wednesday Night

    Wednesday Night: Snow before 1am, then rain between 1am and 4am, then rain and snow after 4am. Low around 35. South wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 35 °F

    Snow then
    Rain/Snow

  • Thursday

    Thursday: Snow, mainly before 10am. High near 37. Breezy, with a west northwest wind around 18 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Breezy. Snow
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before 10pm. Partly cloudy, with a low around 29. Blustery, with a northwest wind 10 to 16 mph, with gusts as high as 29 mph.

    Low: 29 °F

    Chance Snow
    and Blustery
    then Mostly
    Clear

  • Friday

    Friday: A 20 percent chance of snow after 10am. Mostly sunny, with a high near 41. North wind around 8 mph becoming south in the afternoon.

    High: 41 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: A chance of rain and snow. Mostly cloudy, with a low around 35. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow before 10am, then a chance of rain. Mostly cloudy, with a high near 44.

    High: 44 °F

    Chance
    Rain/Snow
    then Chance
    Rain

Detailed Forecast

Tonight
Snow showers likely, mainly before 10pm. Mostly cloudy, with a low around 31. West southwest wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 1 to 2 inches possible.
Wednesday
Snow showers likely, mainly after 4pm. Mostly cloudy, with a high near 39. West southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow before 1am, then rain between 1am and 4am, then rain and snow after 4am. Low around 35. South wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Thursday
Snow, mainly before 10am. High near 37. Breezy, with a west northwest wind around 18 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday Night
A 30 percent chance of snow before 10pm. Partly cloudy, with a low around 29. Blustery, with a northwest wind 10 to 16 mph, with gusts as high as 29 mph.
Friday
A 20 percent chance of snow after 10am. Mostly sunny, with a high near 41. North wind around 8 mph becoming south in the afternoon.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 35. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of rain and snow before 10am, then a chance of rain. Mostly cloudy, with a high near 44.
Saturday Night
Rain. Cloudy, with a low around 41. Breezy.
Sunday
Rain. Cloudy, with a high near 50. Breezy.
Sunday Night
Rain. Cloudy, with a low around 47. Breezy.
Monday
Rain. Cloudy, with a high near 49.
Monday Night
Rain. Cloudy, with a low around 46.
Tuesday
Rain. Cloudy, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Lakeport CA
 38.99°N 122.99°W (Elev. 2595 ft)
Last Update:
1:10 pm PST Feb 17, 2026
Forecast Valid:
9pm PST Feb 17, 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