Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Northeast; Heavy Rain Returns to California

An Alberta clipper will bring lake effect snow downwind of the Great Lakes, with the highest snow totals downwind of Lakes Erie and Ontario. Snow squalls may impact New Year's Eve travel during the evening and overnight hours across parts of the Great Lakes, Ohio Valley, and Northeast. Heavy rain will bring a flash flooding threat for southern California on New Year's Eve into New Year's Day. Read More >

Hazardous Weather Conditions

Current conditions at

LYONS VALLEY (COWC1)

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

NA

50°F

10°C

Humidity 36%
Wind Speed ESE 14 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 30 Dec 11:01 PM PST
Extended Forecast for

10 Miles NNW Lakeport CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain after 10am.  Cloudy, with a high near 57. Calm wind becoming south southeast 5 to 7 mph in the afternoon.

    High: 57 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain.  Low around 44. South southeast wind 3 to 6 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Rain

  • New Year's Day

    New Year's Day: Rain.  High near 55. Southeast wind around 6 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 55 °F

    Rain

  • Thursday Night

    Thursday Night: Rain.  Low around 46. Southeast wind around 11 mph, with gusts as high as 18 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Rain

  • Friday

    Friday: Rain.  High near 54. Breezy, with a south southeast wind 14 to 16 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 54 °F

    Rain and
    Breezy

  • Friday Night

    Friday Night: Rain.  Low around 41. Breezy.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 41 °F

    Rain and
    Breezy

  • Saturday

    Saturday: Rain.  Cloudy, with a high near 51.

    High: 51 °F

    Rain

  • Saturday Night

    Saturday Night: Rain.  Mostly cloudy, with a low around 39.

    Low: 39 °F

    Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 38. Calm wind.
Wednesday
A 30 percent chance of rain after 10am. Cloudy, with a high near 57. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Wednesday Night
Rain. Low around 44. South southeast wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
New Year's Day
Rain. High near 55. Southeast wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 46. Southeast wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 54. Breezy, with a south southeast wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Friday Night
Rain. Low around 41. Breezy. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
Rain. Cloudy, with a high near 51.
Saturday Night
Rain. Mostly cloudy, with a low around 39.
Sunday
Rain likely. Mostly cloudy, with a high near 52.
Sunday Night
Rain likely. Mostly cloudy, with a low around 39.
Monday
Rain likely. Mostly cloudy, with a high near 53.
Monday Night
Rain likely. Mostly cloudy, with a low around 37.
Tuesday
A chance of rain or drizzle. Partly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNW Lakeport CA
 39.17°N 122.98°W (Elev. 1998 ft)
1:10 pm PST Dec 30, 2025
11pm PST Dec 30, 2025-6pm PST Jan 6, 2026
 
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Additional Resources

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