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

28°C

83°F

Humidity 36%
Wind Speed WSW 15 MPH
Barometer NA
Dewpoint 12°C (53°F)
Visibility NA
Heat Index28°C (82°F)
Last update 12 Aug 05:01 PM PDT
Extended Forecast for

4 Miles ENE Calpella CA

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 13. West wind 9 to 14 km/h becoming light west southwest after midnight.

    Low: 13 °C

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, sunny, with a high near 31. Light west wind becoming southwest 8 to 13 km/h in the afternoon.

    High: 31 °C

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Areas of fog after 5am. Otherwise, mostly clear, with a low around 13. West wind 8 to 13 km/h becoming light south southwest in the evening.

    Low: 13 °C

    Mostly Clear
    then Areas
    Fog

  • Friday

    Friday: Areas of fog before 11am. Otherwise, sunny, with a high near 30. Light south southwest wind increasing to 6 to 11 km/h in the afternoon.

    High: 30 °C

    Areas Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 12. West wind 8 to 13 km/h becoming light and variable in the evening.

    Low: 12 °C

    Mostly Clear

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, sunny, with a high near 31. Light and variable wind becoming south southwest 6 to 11 km/h in the afternoon.

    High: 31 °C

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 12.

    Low: 12 °C

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 31.

    High: 31 °C

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 12.

    Low: 12 °C

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 13. West wind 9 to 14 km/h becoming light west southwest after midnight.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 31. Light west wind becoming southwest 8 to 13 km/h in the afternoon.
Thursday Night
Areas of fog after 5am. Otherwise, mostly clear, with a low around 13. West wind 8 to 13 km/h becoming light south southwest in the evening.
Friday
Areas of fog before 11am. Otherwise, sunny, with a high near 30. Light south southwest wind increasing to 6 to 11 km/h in the afternoon.
Friday Night
Mostly clear, with a low around 12. West wind 8 to 13 km/h becoming light and variable in the evening.
Saturday
Patchy fog before 11am. Otherwise, sunny, with a high near 31. Light and variable wind becoming south southwest 6 to 11 km/h in the afternoon.
Saturday Night
Partly cloudy, with a low around 12.
Sunday
Mostly sunny, with a high near 31.
Sunday Night
Mostly cloudy, with a low around 12.
Monday
Partly sunny, with a high near 31.
Monday Night
Mostly cloudy, with a low around 13.
Tuesday
A slight chance of rain. Partly sunny, with a high near 31.
Tuesday Night
Mostly cloudy, with a low around 13.
Wednesday
Mostly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Calpella CA
 39.24°N 123.12°W (Elev. 997 m)
Last Update:
2:20 pm PDT Aug 12, 2026
Forecast Valid:
5pm PDT Aug 12, 2026-6pm PDT Aug 19, 2026
 
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