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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

76°F

24°C

Humidity 33%
Wind Speed NNE 3 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Heat Index77°F (25°C)
Last update 17 Jun 03:01 AM PDT
Extended Forecast for

5 Miles SE Hopland CA

  • Overnight

    Overnight: Partly cloudy, with a low around 56. South wind around 5 mph.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 89. South wind 5 to 8 mph.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 54. South wind 3 to 8 mph.

    Low: 54 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 84. South wind 5 to 9 mph.

    High: 84 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. South wind 5 to 9 mph becoming light south southeast in the evening.

    Low: 53 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 77. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, sunny, with a high near 83.

    High: 83 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 53.

    Low: 53 °F

    Clear then
    Patchy Fog

Detailed Forecast

Overnight
Partly cloudy, with a low around 56. South wind around 5 mph.
Wednesday
Sunny, with a high near 89. South wind 5 to 8 mph.
Wednesday Night
Increasing clouds, with a low around 54. South wind 3 to 8 mph.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 84. South wind 5 to 9 mph.
Thursday Night
Partly cloudy, with a low around 53. South wind 5 to 9 mph becoming light south southeast in the evening.
Juneteenth
Mostly sunny, with a high near 77. Calm wind becoming south 5 to 9 mph in the afternoon.
Friday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 51.
Saturday
Patchy fog before 8am. Otherwise, sunny, with a high near 83.
Saturday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 53.
Sunday
Patchy fog before 8am. Otherwise, sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Hopland CA
 38.91°N 123.06°W (Elev. 889 ft)
Last Update:
2:10 am PDT Jun 17, 2026
Forecast Valid:
3am PDT Jun 17, 2026-6pm PDT Jun 23, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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Chance of Precipitation