Check Water Temperatures Before Your River Visit

Water temperatures below 70 degrees causes you to lose breathing & muscle control which can lead to drowning. The colder the water the more extreme the impacts. Enjoy the river by staying dry when water is cold. Read More >

Current conditions at

LYONS VALLEY (COWC1)

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

NA

75°F

24°C

Humidity 22%
Wind Speed NNW 9 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 12 Jul 01:01 AM PDT
Extended Forecast for

4 Miles ENE Calpella CA

  • Overnight

    Overnight: Cloudy, with a low around 60. South southwest wind 3 to 6 mph.

    Low: 60 °F

    Cloudy

  • Sunday

    Sunday: Partly sunny and hot, with a high near 101. Light west southwest wind becoming west 6 to 11 mph in the afternoon.

    High: 101 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 62. West wind 5 to 10 mph becoming light south southwest  in the evening.

    Low: 62 °F

    Mostly Cloudy

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 96. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 96 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 62. West wind 5 to 8 mph becoming calm  after midnight.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Isolated showers and thunderstorms before 11am.  Sunny, with a high near 97. Calm wind becoming west 5 to 8 mph in the afternoon.  Chance of precipitation is 10%.

    High: 97 °F

    Isolated
    T-storms then
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Overnight
Cloudy, with a low around 60. South southwest wind 3 to 6 mph.
Sunday
Partly sunny and hot, with a high near 101. Light west southwest wind becoming west 6 to 11 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 62. West wind 5 to 10 mph becoming light south southwest in the evening.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 96. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 62. West wind 5 to 8 mph becoming calm after midnight.
Tuesday
Isolated showers and thunderstorms before 11am. Sunny, with a high near 97. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 10%.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Sunny, with a high near 94.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 95.
Friday Night
Partly cloudy, with a low around 58.
Saturday
A slight chance of rain. Mostly sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Calpella CA
 39.24°N 123.12°W (Elev. 997 ft)
2:10 pm PDT Jul 11, 2026
1am PDT Jul 12, 2026-6pm PDT Jul 18, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database