Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Marysville, Yuba County Airport (KMYV)

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

Fog

43°F

6°C

Humidity 100%
Wind Speed E 4 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 43°F (6°C)
Visibility 0.50 mi
Wind Chill41°F (5°C)
Last update 21 Jan 05:00 AM PST
Extended Forecast for

10 Miles E Williams CA

Dense Fog Advisory until January 21, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until January 21, 12:00pm

    NOW until 12:00pm Wed

    Dense Fog Advisory

  • Overnight

    Low: 45 °F

    Dense Fog

  • Wednesday

    Wednesday: Widespread dense fog before 2pm.  Otherwise, cloudy, with a high near 53. Light northwest wind.

    High: 53 °F

    Dense Fog

  • Wednesday Night

    Wednesday Night: Patchy fog after 7pm.  Otherwise, cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Patchy Fog

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 60. Light west wind.

    High: 60 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

Overnight
Widespread dense fog. Otherwise, cloudy, with a low around 45. Calm wind.
Wednesday
Widespread dense fog before 2pm. Otherwise, cloudy, with a high near 53. Light northwest wind.
Wednesday Night
Patchy fog after 7pm. Otherwise, cloudy, with a low around 46. Calm wind.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 60. Light west wind.
Thursday Night
Partly cloudy, with a low around 43. Calm wind.
Friday
Mostly sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 54.
Sunday Night
Mostly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 56.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
Mostly cloudy, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles E Williams CA
 39.14°N 121.95°W (Elev. 49 ft)
1:21 am PST Jan 21, 2026
5am PST Jan 21, 2026-6pm PST Jan 27, 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