National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

LYONS VALLEY (COWC1)

Lat: 39.12583°NLon: 123.07333°WElev: 3355.0ft.

NA

42°F

6°C

Humidity 82%
Wind Speed NW 15 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Wind Chill34°F (1°C)
Last update 15 Apr 05:01 AM PDT
Extended Forecast for

4 Miles ENE Calpella CA

  • Today

    Today: A 10 percent chance of rain after 5pm. Partly sunny, with a high near 64. West wind 5 to 13 mph, with gusts as high as 20 mph.

    High: 64 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tonight

    Tonight: A 20 percent chance of rain before 8pm. Areas of frost after 5am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 34. West wind 5 to 10 mph.

    Low: 34 °F

    Slight Chance
    Rain then
    Areas Frost

  • Thursday

    Thursday: Areas of frost before 8am. Otherwise, sunny, with a high near 66. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 66 °F

    Areas Frost
    then Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 37. West northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 37 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 72. Calm wind becoming west around 5 mph in the afternoon.

    High: 72 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43. West wind around 6 mph becoming calm in the evening.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of rain after 11pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain. Mostly cloudy, with a high near 65.

    High: 65 °F

    Chance Rain

Detailed Forecast

Today
A 10 percent chance of rain after 5pm. Partly sunny, with a high near 64. West wind 5 to 13 mph, with gusts as high as 20 mph.
Tonight
A 20 percent chance of rain before 8pm. Areas of frost after 5am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 34. West wind 5 to 10 mph.
Thursday
Areas of frost before 8am. Otherwise, sunny, with a high near 66. Calm wind becoming west northwest around 6 mph in the afternoon.
Thursday Night
Clear, with a low around 37. West northwest wind 5 to 7 mph becoming calm in the evening.
Friday
Sunny, with a high near 72. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 43. West wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 46.
Sunday
A chance of rain. Mostly cloudy, with a high near 65.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 44.
Monday
A chance of rain. Partly sunny, with a high near 64.
Monday Night
A chance of rain. Mostly cloudy, with a low around 44.
Tuesday
A chance of rain. Partly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Calpella CA
 39.24°N 123.12°W (Elev. 997 ft)
Last Update:
2:10 am PDT Apr 15, 2026
Forecast Valid:
5am PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation