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

64°F

18°C

Humidity 15%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility NA
Last update 19 Jan 09:01 AM PST
Extended Forecast for

5 Miles W Lakeport CA

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 65. Light and variable wind.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 44. Calm wind becoming northeast around 6 mph in the evening.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61. East southeast wind around 6 mph.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 50. Northeast wind 3 to 6 mph.

    Low: 50 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 58. Northeast wind around 6 mph becoming west in the afternoon.

    High: 58 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48. North wind around 6 mph.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

M.L.King Day
Sunny, with a high near 65. Light and variable wind.
Tonight
Partly cloudy, with a low around 44. Calm wind becoming northeast around 6 mph in the evening.
Tuesday
Mostly sunny, with a high near 61. East southeast wind around 6 mph.
Tuesday Night
Mostly cloudy, with a low around 50. Northeast wind 3 to 6 mph.
Wednesday
Mostly cloudy, with a high near 58. Northeast wind around 6 mph becoming west in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 48. North wind around 6 mph.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Partly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Lakeport CA
 39.03°N 123.03°W (Elev. 2398 ft)
5:43 am PST Jan 19, 2026
9am PST Jan 19, 2026-6pm PST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database