National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. Read More >

Current conditions at

LYONS VALLEY (COWC1)

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

NA

45°F

7°C

Humidity 37%
Wind Speed ENE 5 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Wind Chill42°F (6°C)
Last update 29 Dec 05:01 AM PST
Extended Forecast for

5 Miles W Lakeport CA

  • Today

    Today: Sunny, with a high near 57. North wind 3 to 7 mph.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 46. North wind around 6 mph.

    Low: 46 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 56. East northeast wind around 7 mph.

    High: 56 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 48. East northeast wind around 7 mph.

    Low: 48 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 51. East northeast wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain. Low around 48. East wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Rain

  • New Year's Day

    New Year's Day: Rain. High near 53. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Cloudy, with a low around 50.

    Low: 50 °F

    Rain

  • Friday

    Friday: Rain. Mostly cloudy, with a high near 52. Breezy.

    High: 52 °F

    Rain and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 57. North wind 3 to 7 mph.
Tonight
Clear, with a low around 46. North wind around 6 mph.
Tuesday
Sunny, with a high near 56. East northeast wind around 7 mph.
Tuesday Night
Mostly cloudy, with a low around 48. East northeast wind around 7 mph.
Wednesday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 51. East northeast wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain. Low around 48. East wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
New Year's Day
Rain. High near 53. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain. Cloudy, with a low around 50.
Friday
Rain. Mostly cloudy, with a high near 52. Breezy.
Friday Night
Rain. Mostly cloudy, with a low around 47.
Saturday
Rain likely. Mostly cloudy, with a high near 49.
Saturday Night
Rain likely. Mostly cloudy, with a low around 46.
Sunday
Rain likely. Mostly cloudy, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Lakeport CA
 39.03°N 123.03°W (Elev. 2398 ft)
Last Update:
1:10 am PST Dec 29, 2025
Forecast Valid:
5am PST Dec 29, 2025-6pm PST Jan 4, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation