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

80°F

27°C

Humidity 26%
Wind Speed WNW 4 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Heat Index79°F (26°C)
Last update 12 Jul 10:01 AM PDT
Extended Forecast for

8 Miles NW Lakeport CA

  • Today

    Today: Partly sunny, with a high near 97. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 97 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 70. Northwest wind 9 to 11 mph.

    Low: 70 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 93. North wind 5 to 7 mph becoming south in the morning.

    High: 93 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. West wind 6 to 9 mph becoming north after midnight.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 10 percent chance of showers and thunderstorms before 11am.  Sunny, with a high near 94. Light and variable wind becoming west 5 to 9 mph in the afternoon.

    High: 94 °F

    Slight Chance
    T-storms then
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66. North northwest wind 7 to 11 mph, with gusts as high as 23 mph.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 97. Calm wind becoming west 5 to 9 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 70. Northwest wind 9 to 11 mph.
Monday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 93. North wind 5 to 7 mph becoming south in the morning.
Monday Night
Mostly clear, with a low around 69. West wind 6 to 9 mph becoming north after midnight.
Tuesday
A 10 percent chance of showers and thunderstorms before 11am. Sunny, with a high near 94. Light and variable wind becoming west 5 to 9 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 66. North northwest wind 7 to 11 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NW Lakeport CA
 39.15°N 123.01°W (Elev. 1542 ft)
10:05 am PDT Jul 12, 2026
10am PDT Jul 12, 2026-6pm PDT Jul 18, 2026
 
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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