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

40°F

4°C

Humidity 100%
Wind Speed SE 14 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 15 Feb 06:01 PM PST
Extended Forecast for

9 Miles SE Potter Valley CA

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

  • Tonight

    Tonight: Rain. Low around 36. Southeast wind 7 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Rain then
    Rain Likely

  • Washington's Birthday

    Washington's Birthday: Rain. High near 47. East southeast wind 5 to 13 mph becoming west in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Rain

  • Monday Night

    Monday Night: Rain likely before 10pm, then rain and snow. Low around 30. Blustery, with a west northwest wind 11 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow and
    Blustery

  • Tuesday

    Tuesday: Rain and snow. Some thunder is also possible. High near 38. Southwest wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow, becoming all snow after 7pm. Low around 26. West northwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Rain/Snow
    then Snow
    Likely

  • Wednesday

    Wednesday: Snow before 1pm, then rain and snow. High near 40. West wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Snow then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow. Low around 28. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 28 °F

    Rain/Snow

  • Thursday

    Thursday: Snow before 1pm, then rain likely. Mostly cloudy, with a high near 41.

    High: 41 °F

    Snow then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow before 7pm, then a chance of snow. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

Tonight
Rain. Low around 36. Southeast wind 7 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Washington's Birthday
Rain. High near 47. East southeast wind 5 to 13 mph becoming west in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain likely before 10pm, then rain and snow. Low around 30. Blustery, with a west northwest wind 11 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday
Rain and snow. Some thunder is also possible. High near 38. Southwest wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain and snow, becoming all snow after 7pm. Low around 26. West northwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday
Snow before 1pm, then rain and snow. High near 40. West wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain and snow. Low around 28. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday
Snow before 1pm, then rain likely. Mostly cloudy, with a high near 41.
Thursday Night
A chance of rain and snow before 7pm, then a chance of snow. Mostly cloudy, with a low around 27.
Friday
A chance of snow before 1pm, then a chance of rain. Partly sunny, with a high near 44.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 31.
Saturday
Rain and snow likely. Mostly cloudy, with a high near 47.
Saturday Night
Rain likely. Mostly cloudy, with a low around 37.
Sunday
Rain. Mostly cloudy, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SE Potter Valley CA
 39.22°N 123°W (Elev. 2201 ft)
Last Update:
1:10 pm PST Feb 15, 2026
Forecast Valid:
6pm PST Feb 15, 2026-6pm PST Feb 22, 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