Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

LYONS VALLEY (COWC1)

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

NA

57°F

14°C

Humidity 46%
Wind Speed NW 11 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 08 Dec 09:01 PM PST
Extended Forecast for

Lakeport CA

  • Tonight

    Tonight: Partly cloudy, with a low around 41. Light northwest wind.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 65. Calm wind.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70. Calm wind.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 45. Light north wind.

    Low: 45 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 71. Calm wind.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 41. Light northwest wind.
Tuesday
Sunny, with a high near 65. Calm wind.
Tuesday Night
Mostly clear, with a low around 44. Calm wind.
Wednesday
Sunny, with a high near 70. Calm wind.
Wednesday Night
Clear, with a low around 45. Light north wind.
Thursday
Sunny, with a high near 71. Calm wind.
Thursday Night
Clear, with a low around 45.
Friday
Sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 43.
Saturday
Sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 60.
Sunday Night
A slight chance of drizzle. Mostly cloudy, with a low around 43.
Monday
A chance of rain with a slight chance of drizzle. Partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
Lakeport CA
 39.05°N 122.92°W (Elev. 1388 ft)
1:10 pm PST Dec 8, 2025
9pm PST Dec 8, 2025-6pm PST Dec 15, 2025
 
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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