Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

LYONS VALLEY (COWC1)

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

NA

59°F

15°C

Humidity 31%
Wind Speed NE 3 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 19 Jan 06:01 PM PST
Extended Forecast for

5 Miles W Lakeport CA

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Calm wind becoming north northeast around 5 mph.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 60. East wind 3 to 5 mph.

    High: 60 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 54. Light northeast wind.

    Low: 54 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 58. Light and variable wind.

    High: 58 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 52. North northeast wind around 6 mph.

    Low: 52 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 59. North northeast wind around 6 mph becoming northwest in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 54. Calm wind becoming north northeast around 5 mph.
Tuesday
Partly sunny, with a high near 60. East wind 3 to 5 mph.
Tuesday Night
Mostly cloudy, with a low around 54. Light northeast wind.
Wednesday
Mostly cloudy, with a high near 58. Light and variable wind.
Wednesday Night
Mostly cloudy, with a low around 52. North northeast wind around 6 mph.
Thursday
Mostly sunny, with a high near 59. North northeast wind around 6 mph becoming northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 44.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Partly sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Lakeport CA
 39.03°N 123.03°W (Elev. 2398 ft)
1:10 pm PST Jan 19, 2026
6pm PST Jan 19, 2026-6pm PST Jan 26, 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