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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

73°F

23°C

Humidity 54%
Wind Speed WSW 5 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Last update 19 Jun 03:01 PM PDT
Extended Forecast for

4 Miles NNW Hopland CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. South wind 5 to 7 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 84. Light and variable wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 84 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. West northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 92. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. West wind 5 to 7 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 95. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 95 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 52. South wind 5 to 7 mph becoming calm in the evening.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 84. Light and variable wind becoming west southwest 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 53. West northwest wind 5 to 7 mph becoming calm in the evening.
Sunday
Sunny, with a high near 92. Calm wind becoming west southwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 55. West wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 95. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Monday Night
Clear, with a low around 56.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Clear, with a low around 56.
Wednesday
Sunny, with a high near 96.
Wednesday Night
Clear, with a low around 56.
Thursday
Sunny, with a high near 94.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Hopland CA
 39.03°N 123.15°W (Elev. 597 ft)
Last Update:
2:10 pm PDT Jun 19, 2026
Forecast Valid:
4pm PDT Jun 19, 2026-6pm PDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation