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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

70°F

21°C

Humidity 27%
Wind Speed WNW 14 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 03 Jul 10:01 PM PDT
Extended Forecast for

4 Miles NNW Hopland CA

  • Tonight

    Tonight: Mostly clear, with a low around 56. Light west wind.

    Low: 56 °F

    Mostly Clear

  • Independence Day

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

    High: 95 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 56. West southwest wind around 6 mph becoming calm in the evening.

    Low: 56 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 91. Calm wind becoming south around 6 mph in the afternoon.

    High: 91 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. Southwest wind around 6 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 56. Light west wind.
Independence Day
Sunny, with a high near 95. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Saturday Night
Increasing clouds, with a low around 56. West southwest wind around 6 mph becoming calm in the evening.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 91. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 55. Southwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 89. Calm wind becoming south southwest around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 54.
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 Jul 3, 2026
Forecast Valid:
10pm PDT Jul 3, 2026-6pm PDT Jul 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation