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

58°F

14°C

Humidity 67%
Wind Speed W 13 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 25 May 04:01 PM PDT
Extended Forecast for

9 Miles N Lakeport CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 41. Breezy, with a west northwest wind 16 to 18 mph, with gusts as high as 29 mph.

    Low: 41 °F

    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66. Windy, with a west northwest wind 16 to 22 mph, with gusts as high as 37 mph.

    High: 66 °F

    Mostly Sunny
    and Windy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39. Breezy, with a west northwest wind 11 to 16 mph becoming light north northwest  after midnight. Winds could gust as high as 38 mph.

    Low: 39 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after 11am.  Mostly sunny, with a high near 71. Calm wind becoming west around 6 mph in the afternoon.

    High: 71 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 11pm.  Mostly cloudy, with a low around 45. West northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 45 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly after 11am.  Partly sunny, with a high near 74. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 74 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Friday

    Friday: Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 76.

    High: 76 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 41. Breezy, with a west northwest wind 16 to 18 mph, with gusts as high as 29 mph.
Tuesday
Mostly sunny, with a high near 66. Windy, with a west northwest wind 16 to 22 mph, with gusts as high as 37 mph.
Tuesday Night
Partly cloudy, with a low around 39. Breezy, with a west northwest wind 11 to 16 mph becoming light north northwest after midnight. Winds could gust as high as 38 mph.
Wednesday
A 20 percent chance of showers after 11am. Mostly sunny, with a high near 71. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 45. West northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
A 30 percent chance of showers, mainly after 11am. Partly sunny, with a high near 74. Calm wind becoming south southwest around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 46.
Friday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 47.
Monday
Sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles N Lakeport CA
 39.18°N 122.96°W (Elev. 1391 ft)
2:55 pm PDT May 25, 2026
5pm PDT May 25, 2026-6pm PDT Jun 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database