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

Marysville, Yuba County Airport (KMYV)

Lat: 39.09778°NLon: 121.56972°WElev: 62.0ft.

Fog

45°F

7°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 45°F (7°C)
Visibility 0.24 mi
Last update 19 Jan 11:20 PM PST
Extended Forecast for

10 Miles E Williams CA

Dense Fog Advisory January 19, 11:33pm until January 20, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory January 19, 11:33pm until January 20, 12:00pm

    NOW until 12:00pm Tue

    Dense Fog Advisory

  • Tonight

    Low: 40 °F

    Patchy Dense
    Fog

  • Tuesday

    Tuesday: Widespread haze before 5pm. Patchy dense fog before 7am.  Otherwise, mostly cloudy, with a high near 56. North northwest wind 3 to 6 mph.

    High: 56 °F

    Patchy Dense
    Fog then Haze

  • Tuesday Night

    Tuesday Night: Patchy fog.  Otherwise, mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 11am.  Otherwise, cloudy, with a high near 57. Calm wind.

    High: 57 °F

    Patchy Fog
    then Cloudy

  • Wednesday Night

    Wednesday Night: Patchy fog.  Otherwise, mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 10am.  Otherwise, partly sunny, with a high near 60.

    High: 60 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog.  Otherwise, partly cloudy, with a low around 42.

    Low: 42 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 59.

    High: 59 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Tonight
Widespread haze. Patchy dense fog. Otherwise, mostly cloudy, with a low around 40. Light and variable wind.
Tuesday
Widespread haze before 5pm. Patchy dense fog before 7am. Otherwise, mostly cloudy, with a high near 56. North northwest wind 3 to 6 mph.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 44. Calm wind.
Wednesday
Patchy fog before 11am. Otherwise, cloudy, with a high near 57. Calm wind.
Wednesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 45. Calm wind.
Thursday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 60.
Thursday Night
Patchy fog. Otherwise, partly cloudy, with a low around 42.
Friday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 41.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 41.
Sunday
Patchy fog. Otherwise, mostly cloudy, with a high near 56.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 41.
Monday
Patchy fog. Otherwise, partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles E Williams CA
 39.14°N 121.95°W (Elev. 49 ft)
8:56 pm PST Jan 19, 2026
11pm PST Jan 19, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database