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

39°F

4°C

Humidity 100%
Wind Speed E 5 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Wind Chill35°F (2°C)
Last update 16 Feb 02:01 AM PST
Extended Forecast for

5 Miles SW Lakeport CA

Winter Weather Advisory February 16, 10:00pm until February 18, 04:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: A 50 percent chance of rain. Cloudy, with a low around 41. East southeast wind around 8 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Chance Rain

  • Washington's Birthday

    Washington's Birthday: Rain, mainly before 4pm. High near 46. East northeast wind 7 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Rain

  • Monday Night

    Monday Night: A chance of rain before 10pm, then snow. Low around 35. Breezy, with a west wind 17 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 35 °F

    Breezy.
    Chance
    Rain/Snow
    then Snow

  • Tuesday

    Tuesday: Snow showers before 1pm, then rain and snow showers. Some thunder is also possible. High near 37. Breezy, with a west southwest wind 16 to 21 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Breezy. Snow
    then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Snow, mainly before 10pm. Low around 31. West wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 31 °F

    Snow

  • Wednesday

    Wednesday: Snow before 1pm, then rain and snow. High near 39. West wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Snow then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow. Low around 35. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 35 °F

    Rain/Snow

  • Thursday

    Thursday: Rain and snow. Mostly cloudy, with a high near 40.

    High: 40 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow before 7pm, then a chance of snow. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

Overnight
A 50 percent chance of rain. Cloudy, with a low around 41. East southeast wind around 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Washington's Birthday
Rain, mainly before 4pm. High near 46. East northeast wind 7 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A chance of rain before 10pm, then snow. Low around 35. Breezy, with a west wind 17 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday
Snow showers before 1pm, then rain and snow showers. Some thunder is also possible. High near 37. Breezy, with a west southwest wind 16 to 21 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow, mainly before 10pm. Low around 31. West wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Wednesday
Snow before 1pm, then rain and snow. High near 39. West wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain and snow. Low around 35. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday
Rain and snow. Mostly cloudy, with a high near 40.
Thursday Night
A chance of rain and snow before 7pm, then a chance of snow. Mostly cloudy, with a low around 33.
Friday
A chance of snow before 1pm, then a chance of rain and snow between 1pm and 4pm, then a chance of rain after 4pm. Partly sunny, with a high near 42.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 39.
Saturday
Rain and snow likely. Mostly cloudy, with a high near 46.
Saturday Night
Rain likely. Mostly cloudy, with a low around 44.
Sunday
Rain. Cloudy, with a high near 50. Breezy.
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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 am PST Feb 16, 2026
Forecast Valid:
3am PST Feb 16, 2026-6pm PST Feb 22, 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