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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

43°F

6°C

Humidity 97%
Wind Speed W 24 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Wind Chill34°F (1°C)
Last update 25 May 07:01 PM PDT
Extended Forecast for

8 Miles NNE Hopland CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. Windy, with a northwest wind 18 to 23 mph, with gusts as high as 36 mph.

    Low: 48 °F

    Mostly Cloudy
    and Windy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. Breezy, with a northwest wind 17 to 20 mph, with gusts as high as 32 mph.

    High: 57 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45. Breezy, with a northwest wind 9 to 16 mph, with gusts as high as 36 mph.

    Low: 45 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63. West wind 7 to 9 mph, with gusts as high as 18 mph.

    High: 63 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53. West northwest wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after 11am. Mostly sunny, with a high near 66. Light and variable wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 66 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 48. Windy, with a northwest wind 18 to 23 mph, with gusts as high as 36 mph.
Tuesday
Mostly sunny, with a high near 57. Breezy, with a northwest wind 17 to 20 mph, with gusts as high as 32 mph.
Tuesday Night
Partly cloudy, with a low around 45. Breezy, with a northwest wind 9 to 16 mph, with gusts as high as 36 mph.
Wednesday
Mostly sunny, with a high near 63. West wind 7 to 9 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 53. West northwest wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Thursday
A 20 percent chance of showers after 11am. Mostly sunny, with a high near 66. Light and variable wind becoming south southwest 5 to 8 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 66.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 76.
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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:
2:55 pm PDT May 25, 2026
Forecast Valid:
8pm PDT May 25, 2026-6pm PDT Jun 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation