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 34%
Wind Speed ENE 4 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 19 Jan 07:01 PM PST
Extended Forecast for

9 Miles N Lakeport CA

  • Tonight

    Tonight: Partly cloudy, with a low around 36. North northeast wind around 5 mph becoming calm  in the evening.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 66. Light and variable wind.

    High: 66 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 65. Calm wind.

    High: 65 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 67. Calm wind.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 36. North northeast wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 66. Light and variable wind.
Tuesday Night
Mostly cloudy, with a low around 38. Calm wind.
Wednesday
Mostly cloudy, with a high near 65. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 35. Calm wind.
Thursday
Mostly sunny, with a high near 67. Calm wind.
Thursday Night
Mostly clear, with a low around 38.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 36.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 62.
Sunday Night
Mostly cloudy, with a low around 38.
Monday
Partly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles N Lakeport CA
 39.18°N 122.96°W (Elev. 1391 ft)
1:10 pm PST Jan 19, 2026
7pm 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