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

UC MERCED WX STATION (UCMC1)

Lat: 37.36611°NLon: 120.4225°WElev: 252.0ft.

NA

44°F

7°C

Humidity 100%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 20 Jan 10:15 PM PST
Extended Forecast for

5 Miles NNE Merced CA

Dense Fog Advisory January 20, 10:35pm until January 21, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory January 20, 10:35pm until January 21, 12:00pm

    NOW until 12:00pm Wed

    Dense Fog Advisory

  • Tonight

    Low: 42 °F

    Dense Fog

  • Wednesday

    Wednesday: Areas of dense fog between 10am and noon.  Otherwise, cloudy, with a high near 58. Calm wind.

    High: 58 °F

    Areas Dense
    Fog then
    Cloudy

  • Wednesday Night

    Wednesday Night: Patchy dense fog.  Otherwise, cloudy, with a low around 46. Calm wind becoming northwest around 5 mph.

    Low: 46 °F

    Patchy Dense
    Fog

  • Thursday

    Thursday: Patchy dense fog before noon.  Otherwise, mostly cloudy, with a high near 59. Calm wind becoming northwest around 5 mph.

    High: 59 °F

    Patchy Dense
    Fog then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: Patchy dense fog before 2am.  Otherwise, mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Patchy Dense
    Fog

  • Friday

    Friday: Mostly sunny, with a high near 58. Calm wind becoming west around 5 mph in the afternoon.

    High: 58 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41. North northwest wind around 5 mph becoming calm.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 56. West northwest wind around 5 mph.

    High: 56 °F

    Partly Sunny

Detailed Forecast

Tonight
Widespread dense fog, mainly between midnight and 2am. Otherwise, cloudy, with a low around 42. Calm wind.
Wednesday
Areas of dense fog between 10am and noon. Otherwise, cloudy, with a high near 58. Calm wind.
Wednesday Night
Patchy dense fog. Otherwise, cloudy, with a low around 46. Calm wind becoming northwest around 5 mph.
Thursday
Patchy dense fog before noon. Otherwise, mostly cloudy, with a high near 59. Calm wind becoming northwest around 5 mph.
Thursday Night
Patchy dense fog before 2am. Otherwise, mostly cloudy, with a low around 44. Calm wind.
Friday
Mostly sunny, with a high near 58. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 41. North northwest wind around 5 mph becoming calm.
Saturday
Partly sunny, with a high near 56. West northwest wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 39. Calm wind becoming east around 5 mph.
Sunday
Partly sunny, with a high near 58. Calm wind becoming south around 5 mph.
Sunday Night
Mostly cloudy, with a low around 41. Calm wind.
Monday
Mostly cloudy, with a high near 58. Calm wind becoming southwest around 5 mph.
Monday Night
Mostly cloudy, with a low around 39. Calm wind.
Tuesday
Partly sunny, with a high near 58. Calm wind becoming south around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Merced CA
 37.35°N 120.44°W (Elev. 200 ft)
9:56 pm PST Jan 20, 2026
10pm PST Jan 20, 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