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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

81°F

27°C

Humidity 28%
Wind Speed WSW 10 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Heat Index80°F (27°C)
Last update 21 May 03:01 PM PDT
Extended Forecast for

8 Miles NNE Hopland CA

  • Tonight

    Tonight: Clear, with a low around 70. Northwest wind 5 to 8 mph.

    Low: 70 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 83. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63. West southwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75. Light southwest wind becoming south southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. South southwest wind 5 to 10 mph becoming light south in the evening. Winds could gust as high as 18 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 74. Light south wind becoming south southwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49. Breezy.

    Low: 49 °F

    Partly Cloudy
    and Breezy

Detailed Forecast

Tonight
Clear, with a low around 70. Northwest wind 5 to 8 mph.
Friday
Sunny, with a high near 83. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 63. West southwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Saturday
Sunny, with a high near 75. Light southwest wind becoming south southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 57. South southwest wind 5 to 10 mph becoming light south in the evening. Winds could gust as high as 18 mph.
Sunday
Sunny, with a high near 74. Light south wind becoming south southwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Mostly clear, with a low around 54.
Memorial Day
Mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 49. Breezy.
Tuesday
Sunny, with a high near 63. Breezy.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNE Hopland CA
 39.07°N 123.07°W (Elev. 2654 ft)
Last Update:
2:10 pm PDT May 21, 2026
Forecast Valid:
4pm PDT May 21, 2026-6pm PDT May 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation