Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Current conditions at

Merced Regional Airport (KMCE)

Lat: 37.28306°NLon: 120.50778°WElev: 154.0ft.

Fog

37°F

3°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 37°F (3°C)
Visibility 0.13 mi
Last update 30 Dec 08:00 AM PST
Extended Forecast for

5 Miles SE Merced CA

Dense Fog Advisory until December 30, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until December 30, 12:00pm

    NOW until 12:00pm Tue

    Dense Fog Advisory

  • Today

    High: 48 °F

    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 43. Calm wind becoming north northwest around 5 mph.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of rain after 10am.  Cloudy, with a high near 49. Calm wind becoming southeast around 5 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain.  Low around 49. East southeast wind around 5 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Rain

  • New Year's Day

    New Year's Day: Rain.  High near 56. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 54. Southeast wind around 10 mph, with gusts as high as 15 mph.

    Low: 54 °F

    Chance Rain

  • Friday

    Friday: A chance of rain, then showers likely and possibly a thunderstorm after 10am.  Cloudy, with a high near 58. Southeast wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Low around 50. Southeast wind around 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers

Detailed Forecast

Today
Cloudy, with a high near 48. Calm wind becoming northwest around 5 mph.
Tonight
Mostly cloudy, with a low around 43. Calm wind becoming north northwest around 5 mph.
Wednesday
A 50 percent chance of rain after 10am. Cloudy, with a high near 49. Calm wind becoming southeast around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain. Low around 49. East southeast wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
New Year's Day
Rain. High near 56. Southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 54. Southeast wind around 10 mph, with gusts as high as 15 mph.
Friday
A chance of rain, then showers likely and possibly a thunderstorm after 10am. Cloudy, with a high near 58. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm. Low around 50. Southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Rain likely. Cloudy, with a high near 56. South wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 46. East wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 40 percent chance of rain. Partly sunny, with a high near 54. South wind around 5 mph.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 44. East northeast wind around 5 mph.
Monday
A 40 percent chance of rain. Mostly cloudy, with a high near 52. East wind around 5 mph becoming south in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Merced CA
 37.25°N 120.39°W (Elev. 190 ft)
7:57 am PST Dec 30, 2025
8am PST Dec 30, 2025-6pm PST Jan 5, 2026
 
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Additional Resources

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