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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

87°F

31°C

Humidity 24%
Wind Speed ESE 8 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Heat Index84°F (29°C)
Last update 23 Jun 12:01 PM PDT
Extended Forecast for

9 Miles SE Potter Valley CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 84. West wind 3 to 7 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. West wind 5 to 8 mph becoming calm after midnight.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64. West wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 18 mph.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58. West northwest wind 9 to 11 mph, with gusts as high as 24 mph.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 84. West wind 3 to 7 mph.
Tonight
Mostly clear, with a low around 64. West wind 5 to 8 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 83. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 64. West wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 80. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 58. West northwest wind 9 to 11 mph, with gusts as high as 24 mph.
Friday
Sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Sunny, with a high near 67.
Saturday Night
Clear, with a low around 50.
Sunday
Sunny, with a high near 73.
Sunday Night
Clear, with a low around 56.
Monday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SE Potter Valley CA
 39.24°N 122.97°W (Elev. 2756 ft)
Last Update:
8:52 am PDT Jun 23, 2026
Forecast Valid:
12pm PDT Jun 23, 2026-6pm PDT Jun 29, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation