Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Current conditions at

Merced / Castle Air Force Base (KMER)

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

Clear

N/A

Humidity NA
Wind Speed N 0 MPH
Barometer NA
Dewpoint N/A
Visibility 10.00 mi
Last update NA
Extended Forecast for

6 Miles W Merced CA

  • Tonight

    Tonight: Widespread dense fog between midnight and 3am.  Otherwise, increasing clouds, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear
    then Dense
    Fog

  • Tuesday

    Tuesday: Patchy dense fog between 11am and noon.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 56. Calm wind becoming west northwest around 5 mph.

    High: 56 °F

    Patchy Dense
    Fog then
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy dense fog.  Otherwise, partly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Widespread dense fog, mainly before 10am.  Otherwise, mostly sunny, with a high near 57. Calm wind.

    High: 57 °F

    Dense Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy dense fog before 2am.  Otherwise, partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Dense
    Fog

  • Thursday

    Thursday: Mostly sunny, with a high near 59. Calm wind.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 59. Calm wind.

    High: 59 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Tonight
Widespread dense fog between midnight and 3am. Otherwise, increasing clouds, with a low around 37. Calm wind.
Tuesday
Patchy dense fog between 11am and noon. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 56. Calm wind becoming west northwest around 5 mph.
Tuesday Night
Patchy dense fog. Otherwise, partly cloudy, with a low around 38. Calm wind.
Wednesday
Widespread dense fog, mainly before 10am. Otherwise, mostly sunny, with a high near 57. Calm wind.
Wednesday Night
Patchy dense fog before 2am. Otherwise, partly cloudy, with a low around 41. Calm wind.
Thursday
Mostly sunny, with a high near 59. Calm wind.
Thursday Night
Partly cloudy, with a low around 41. Calm wind.
Friday
Mostly sunny, with a high near 59. Calm wind.
Friday Night
Partly cloudy, with a low around 41. Calm wind.
Saturday
Mostly sunny, with a high near 59. Calm wind.
Saturday Night
Mostly cloudy, with a low around 42. Calm wind.
Sunday
Partly sunny, with a high near 59. Calm wind.
Sunday Night
Mostly cloudy, with a low around 42. Calm wind.
M.L.King Day
Partly sunny, with a high near 59. Calm wind.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W Merced CA
 37.31°N 120.58°W (Elev. 148 ft)
4:57 pm PST Jan 12, 2026
5pm PST Jan 12, 2026-6pm PST Jan 19, 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