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

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. 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 5.00 mi
Last update NA
Extended Forecast for

7 Miles NW Merced CA

Dense Fog Advisory January 20, 09:00pm until January 21, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  • Tonight

    Tonight: Widespread dense fog between 10pm and 2am.  Otherwise, mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Dense Fog

  • Wednesday

    Wednesday: Areas of dense fog between 10am and 1pm.  Otherwise, cloudy, with a high near 57. Calm wind.

    High: 57 °F

    Areas Dense
    Fog

  • Wednesday Night

    Wednesday Night: Patchy dense fog before 8pm, then patchy dense fog after 9pm.  Otherwise, cloudy, with a low around 46. Calm wind becoming west northwest around 5 mph.

    Low: 46 °F

    Patchy Dense
    Fog

  • Thursday

    Thursday: Patchy dense fog before 11am.  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: Partly sunny, with a high near 58. Calm wind becoming west northwest around 5 mph.

    High: 58 °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 39. Calm wind.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Tonight
Widespread dense fog between 10pm and 2am. Otherwise, mostly cloudy, with a low around 42. Calm wind.
Wednesday
Areas of dense fog between 10am and 1pm. Otherwise, cloudy, with a high near 57. Calm wind.
Wednesday Night
Patchy dense fog before 8pm, then patchy dense fog after 9pm. Otherwise, cloudy, with a low around 46. Calm wind becoming west northwest around 5 mph.
Thursday
Patchy dense fog before 11am. 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
Partly sunny, with a high near 58. Calm wind becoming west 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 39. Calm wind.
Sunday
Partly sunny, with a high near 58. Calm wind.
Sunday Night
Mostly cloudy, with a low around 41. Calm wind.
Monday
Mostly cloudy, with a high near 58. Calm wind becoming south 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.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NW Merced CA
 37.35°N 120.59°W (Elev. 171 ft)
3:56 pm PST Jan 20, 2026
4pm 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