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 WSW 7 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Wind Chill23°F (-5°C)
Last update 18 Feb 07:01 PM PST
Extended Forecast for

10 Miles NNW Lakeport CA

Winter Storm Warning February 18, 08:01pm until February 19, 06:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning February 18, 08:01pm until February 19, 06:00am

    NOW until 6:00am Thu

    Winter Storm Warning

  • Tonight

    Low: 26 °F

    Snow then
    Rain/Snow and
    Patchy Fog

  • Thursday

    Thursday: Snow before 10am, then a chance of rain and snow between 10am and 1pm, then a chance of rain after 1pm. High near 43. Breezy, with a northwest wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    High: 43 °F

    Breezy.
    Rain/Snow
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 19. Northwest wind 7 to 14 mph, with gusts as high as 22 mph.

    Low: 19 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of snow between 10am and 1pm, then a slight chance of rain after 1pm. Partly 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 then
    Slight Chance
    Rain/Snow

  • Friday Night

    Friday Night: A slight chance of rain before 7pm, then a chance of rain and snow. Mostly cloudy, with a low around 29. East southeast wind around 6 mph. 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 50 percent chance of rain. Mostly cloudy, with a high near 47. Breezy, with an east southeast wind 13 to 17 mph, with gusts as high as 28 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Chance Rain
    and Breezy

  • Saturday Night

    Saturday Night: Rain. Low around 41. Breezy. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 41 °F

    Rain and
    Breezy

  • Sunday

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

    High: 52 °F

    Rain and
    Breezy

Detailed Forecast

Tonight
Snow before 1am, then rain and snow between 1am and 4am, then snow after 4am. Patchy fog after 1am. Low around 26. Calm wind becoming southeast 5 to 9 mph in the evening. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 2 inches possible.
Thursday
Snow before 10am, then a chance of rain and snow between 10am and 1pm, then a chance of rain after 1pm. High near 43. Breezy, with a northwest wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
Mostly clear, with a low around 19. Northwest wind 7 to 14 mph, with gusts as high as 22 mph.
Friday
A slight chance of snow between 10am and 1pm, then a slight chance of rain after 1pm. Partly 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 slight chance of rain before 7pm, then a chance of rain and snow. Mostly cloudy, with a low around 29. East southeast wind around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 47. Breezy, with an east southeast wind 13 to 17 mph, with gusts as high as 28 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain. Low around 41. Breezy. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Sunday
Rain. Cloudy, with a high near 52. Breezy.
Sunday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 43. Windy.
Monday
Rain. Cloudy, with a high near 54. Breezy.
Monday Night
Rain. Cloudy, with a low around 40.
Tuesday
Rain. Cloudy, with a high near 55.
Tuesday Night
Rain. Mostly cloudy, with a low around 37.
Wednesday
Rain likely. Mostly cloudy, with a high near 55.
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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 pm PST Feb 18, 2026
Forecast Valid:
8pm PST Feb 18, 2026-6pm PST Feb 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation