Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East; Severe Storm Threat in the Gulf States Sunday

A significant winter storm is underway, bringing widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Extremely cold air will follow, prolonging dangerous travel and infrastructure impacts into next week. Severe thunderstorms may produce damaging gusts and tornadoes across the eastern Gulf Coast states Sunday morning and afternoon. Read More >

Current conditions at

LYONS VALLEY (COWC1)

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

NA

48°F

9°C

Humidity 10%
Wind Speed NE 8 MPH
Barometer NA
Dewpoint -6°F (-21°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 25 Jan 12:01 AM PST
Extended Forecast for

5 Miles SW Lakeport CA

Cold Weather Advisory until January 25, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until January 25, 09:00am

    NOW until 9:00am Sun

    Cold Weather Advisory

  • Overnight

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 52. East wind 5 to 7 mph.

    High: 52 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40. Northeast wind around 7 mph.

    Low: 40 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 54. East northeast wind 7 to 14 mph becoming south southeast in the afternoon. Winds could gust as high as 23 mph.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. East wind around 9 mph.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51. South southeast wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 47. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain, mainly before 10am.  Partly sunny, with a high near 53.

    High: 53 °F

    Chance Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 37. East wind around 10 mph.
Sunday
Increasing clouds, with a high near 52. East wind 5 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 40. Northeast wind around 7 mph.
Monday
Mostly sunny, with a high near 54. East northeast wind 7 to 14 mph becoming south southeast in the afternoon. Winds could gust as high as 23 mph.
Monday Night
Partly cloudy, with a low around 43. East wind around 9 mph.
Tuesday
Mostly sunny, with a high near 51. South southeast wind 8 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 47. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of rain, mainly before 10am. Partly sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Mostly cloudy, with a low around 48.
Friday
Partly sunny, with a high near 58.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
A slight chance of rain. Partly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Lakeport CA
 38.99°N 122.99°W (Elev. 2595 ft)
11:31 pm PST Jan 24, 2026
12am PST Jan 25, 2026-6pm PST Jan 31, 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