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

61°F

16°C

Humidity 13%
Wind Speed WSW 2 MPH
Barometer NA
Dewpoint 10°F (-12°C)
Visibility NA
Last update 19 Jan 03:01 AM PST
Extended Forecast for

5 Miles SW Lakeport CA

  • Overnight

    Overnight: Partly cloudy, with a low around 47. Northeast wind around 5 mph.

    Low: 47 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 64. East wind around 5 mph becoming calm  in the morning.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. Calm wind becoming east northeast around 6 mph after midnight.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60. East wind around 6 mph.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 50. Northeast wind 3 to 5 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.

    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 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 47. Northeast wind around 5 mph.
M.L.King Day
Sunny, with a high near 64. East wind around 5 mph becoming calm in the morning.
Monday Night
Partly cloudy, with a low around 42. Calm wind becoming east northeast around 6 mph after midnight.
Tuesday
Mostly sunny, with a high near 60. East wind around 6 mph.
Tuesday Night
Mostly cloudy, with a low around 50. Northeast wind 3 to 5 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.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Partly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Lakeport CA
 38.99°N 122.99°W (Elev. 2595 ft)
1:10 am PST Jan 19, 2026
3am PST Jan 19, 2026-6pm PST Jan 25, 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