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

30°F

-1°C

Humidity 99%
Wind Speed ESE 5 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Wind Chill25°F (-4°C)
Last update 19 Feb 12:01 AM PST
Extended Forecast for

Lakeport CA

Cold Weather Advisory until February 19, 10:00am
Winter Storm Warning February 19, 12:16am until February 19, 06:00am
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning
  •  
    Cold Weather Advisory until February 19, 10:00am
    Winter Storm Warning February 19, 12:16am until February 19, 06:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 28 °F

    Rain/Snow and
    Patchy Fog

  • Thursday

    Thursday: A slight chance of rain and snow showers before 10am, then a slight chance of rain showers after 1pm. Patchy fog before 7am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 43. Windy, with a northwest wind 13 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    High: 43 °F

    Slight Chance
    Rain/Snow and
    Patchy Fog

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 22. Blustery, with a west northwest wind 7 to 17 mph, with gusts as high as 28 mph.

    Low: 22 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Friday

    Friday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 46. Light and variable wind.

    High: 46 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers after 10pm. Mostly cloudy, with a low around 29. East southeast wind 5 to 13 mph, with gusts as high as 21 mph.

    Low: 29 °F

    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of rain. Mostly cloudy, with a high near 48. Breezy, with an east southeast wind 13 to 17 mph, with gusts as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Chance Rain
    and Breezy

  • Saturday Night

    Saturday Night: Rain. Low around 43. Breezy. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Rain and
    Breezy

  • Sunday

    Sunday: Rain. Cloudy, with a high near 52. Breezy.

    High: 52 °F

    Rain and
    Breezy

Detailed Forecast

Overnight
Rain and snow showers. Patchy fog after 4am. Low around 28. East southeast wind around 6 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.
Thursday
A slight chance of rain and snow showers before 10am, then a slight chance of rain showers after 1pm. Patchy fog before 7am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 43. Windy, with a northwest wind 13 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 22. Blustery, with a west northwest wind 7 to 17 mph, with gusts as high as 28 mph.
Friday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 46. Light and variable wind.
Friday Night
A 30 percent chance of showers after 10pm. Mostly cloudy, with a low around 29. East southeast wind 5 to 13 mph, with gusts as high as 21 mph.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 48. Breezy, with an east southeast wind 13 to 17 mph, with gusts as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain. Low around 43. Breezy. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. Cloudy, with a high near 52. Breezy.
Sunday Night
Rain. Cloudy, with a low around 44. Breezy.
Monday
Rain. Cloudy, with a high near 54. Breezy.
Monday Night
Rain. Cloudy, with a low around 42.
Tuesday
Rain. Cloudy, with a high near 55.
Tuesday Night
Rain. Mostly cloudy, with a low around 41.
Wednesday
Showers likely. Mostly cloudy, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lakeport CA
 39.05°N 122.92°W (Elev. 1388 ft)
Last Update:
10:16 pm PST Feb 18, 2026
Forecast Valid:
12am PST Feb 19, 2026-6pm PST Feb 25, 2026
 
Forecast Discussion
 
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Additional Resources

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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