Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

LYONS VALLEY (COWC1)

Lat: 39.12583°NLon: 123.07333°WElev: 3355.0ft.

NA

64°F

18°C

Humidity 47%
Wind Speed W 5 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 04 Sep 03:01 PM PDT
Extended Forecast for

5 Miles NNW Lakeport CA

  • Tonight

    Tonight: Clear, with a low around 50. West northwest wind 5 to 9 mph becoming light northwest  after midnight. Winds could gust as high as 18 mph.

    Low: 50 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 76. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51. West wind 5 to 8 mph becoming calm  in the evening.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 73. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 73 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 53. West wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 22 mph.

    Low: 53 °F

    Clear

  • Labor Day

    Labor Day: Sunny, with a high near 82. Light and variable wind.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 50. West northwest wind 5 to 9 mph becoming light northwest after midnight. Winds could gust as high as 18 mph.
Saturday
Sunny, with a high near 76. Calm wind becoming south southeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 51. West wind 5 to 8 mph becoming calm in the evening.
Sunday
Sunny, with a high near 73. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Clear, with a low around 53. West wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Labor Day
Sunny, with a high near 82. Light and variable wind.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 81.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 61.
Thursday
A slight chance of rain. Partly sunny, with a high near 82.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 59.
Friday
A slight chance of rain. Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Lakeport CA
 39.11°N 122.97°W (Elev. 1627 ft)
2:10 pm PDT Sep 4, 2026
3pm PDT Sep 4, 2026-6pm PDT Sep 11, 2026
 
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Additional Resources

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