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

Merced / Castle Air Force Base (KMER)

Lat: 37.36667°NLon: 120.56667°WElev: 187.0ft.

Mist

N/A

Humidity NA
Wind Speed N 0 MPH
Barometer NA
Dewpoint N/A
Visibility 1.00 mi
Last update NA
Extended Forecast for

7 Miles ESE Livingston CA

Dense Fog Advisory January 21, 11:19am until January 21, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory January 21, 11:19am until January 21, 12:00pm

    NOW until 12:00pm Wed

    Dense Fog Advisory

  • Today

    High: 56 °F

    Patchy Dense
    Fog

  • Tonight

    Tonight: Patchy dense fog before 8pm, then patchy dense fog after 9pm.  Otherwise, mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Patchy Dense
    Fog

  • Thursday

    Thursday: Patchy fog before 11am.  Otherwise, mostly cloudy, with a high near 59. Calm wind becoming northwest around 5 mph.

    High: 59 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Patchy fog before 2am.  Otherwise, mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Patchy Fog

  • Friday

    Friday: Partly sunny, with a high near 57. Calm wind becoming northwest around 5 mph.

    High: 57 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42. North northwest wind around 5 mph becoming calm.

    Low: 42 °F

    Partly Cloudy

  • Saturday

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

    High: 56 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. Northwest wind around 5 mph becoming calm.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Today
Patchy dense fog before 1pm. Otherwise, cloudy, with a high near 56. Calm wind.
Tonight
Patchy dense fog before 8pm, then patchy dense fog after 9pm. Otherwise, mostly cloudy, with a low around 45. Calm wind.
Thursday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 59. Calm wind becoming northwest around 5 mph.
Thursday Night
Patchy fog before 2am. Otherwise, mostly cloudy, with a low around 43. Calm wind.
Friday
Partly sunny, with a high near 57. Calm wind becoming northwest around 5 mph.
Friday Night
Partly cloudy, with a low around 42. North northwest wind around 5 mph becoming calm.
Saturday
Partly sunny, with a high near 56. Northwest wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 38. Northwest wind around 5 mph becoming calm.
Sunday
Partly sunny, with a high near 57. Calm wind.
Sunday Night
Mostly cloudy, with a low around 39. Calm wind.
Monday
Partly sunny, with a high near 58. Calm wind.
Monday Night
Partly cloudy, with a low around 39. Calm wind.
Tuesday
Mostly cloudy, with a high near 58. Calm wind becoming north around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles ESE Livingston CA
 37.35°N 120.61°W (Elev. 167 ft)
10:56 am PST Jan 21, 2026
11am 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