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

29°F

-2°C

Humidity 99%
Wind Speed WNW 11 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Wind Chill19°F (-7°C)
Last update 19 Feb 10:01 PM PST
Extended Forecast for

9 Miles ESE Calpella CA

Cold Weather Advisory February 20, 12:00am until February 20, 09:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 26. West northwest wind around 9 mph.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: A 10 percent chance of rain after 4pm. Partly sunny, with a high near 45. Calm wind becoming southeast 5 to 8 mph in the morning.

    High: 45 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 33. Southeast wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    Low: 33 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Saturday

    Saturday: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 46. Breezy, with a southeast wind 18 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Rain Likely
    and Breezy

  • Saturday Night

    Saturday Night: Rain. Low around 41. Windy, with a southeast wind around 24 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Rain and
    Windy

  • Sunday

    Sunday: Rain. High near 52. Windy, with a south southeast wind 18 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 52 °F

    Rain and
    Windy

  • Sunday Night

    Sunday Night: Rain. Low around 49. Breezy. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Rain and
    Breezy

  • Monday

    Monday: Rain. Cloudy, with a high near 54. Breezy.

    High: 54 °F

    Rain and
    Breezy

  • Monday Night

    Monday Night: Rain. Cloudy, with a low around 49.

    Low: 49 °F

    Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 26. West northwest wind around 9 mph.
Friday
A 10 percent chance of rain after 4pm. Partly sunny, with a high near 45. Calm wind becoming southeast 5 to 8 mph in the morning.
Friday Night
A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 33. Southeast wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Saturday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 46. Breezy, with a southeast wind 18 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain. Low around 41. Windy, with a southeast wind around 24 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 52. Windy, with a south southeast wind 18 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain. Low around 49. Breezy. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain. Cloudy, with a high near 54. Breezy.
Monday Night
Rain. Cloudy, with a low around 49.
Tuesday
Rain. Cloudy, with a high near 53.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 44.
Wednesday
Rain likely. Mostly cloudy, with a high near 56.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 43.
Thursday
A chance of rain. Partly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ESE Calpella CA
 39.19°N 123.05°W (Elev. 2031 ft)
Last Update:
1:10 pm PST Feb 19, 2026
Forecast Valid:
10pm PST Feb 19, 2026-6pm PST Feb 26, 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