Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

Lat: 37.32927°NLon: 121.29538°WElev: 1861.0ft.

NA

42°F

6°C

Humidity 65%
Wind Speed WNW 7 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 28 Dec 04:00 AM PST
Extended Forecast for

16 Miles SW Modesto CA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 51. West wind around 6 mph becoming east northeast in the morning.

    High: 51 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 39. West northwest wind 3 to 5 mph.

    Low: 39 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Mostly sunny, with a high near 48. Light and variable wind becoming east around 5 mph in the afternoon.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49. Light and variable wind.

    High: 49 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 10 percent chance of rain after 4pm.  Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly after 10pm.  Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

  • New Year's Day

    New Year's Day: A chance of rain.  Cloudy, with a high near 51.

    High: 51 °F

    Chance Rain

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 51. West wind around 6 mph becoming east northeast in the morning.
Tonight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 39. West northwest wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 48. Light and variable wind becoming east around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 39. Calm wind.
Tuesday
Mostly sunny, with a high near 49. Light and variable wind.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
A 10 percent chance of rain after 4pm. Mostly cloudy, with a high near 50.
Wednesday Night
A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 44.
New Year's Day
A chance of rain. Cloudy, with a high near 51.
Thursday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 46.
Friday
Rain likely. Mostly cloudy, with a high near 53.
Friday Night
A chance of rain. Mostly cloudy, with a low around 46.
Saturday
A chance of rain. Mostly cloudy, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles SW Modesto CA
 37.47°N 121.19°W (Elev. 269 ft)
1:21 am PST Dec 28, 2025
4am PST Dec 28, 2025-6pm PST Jan 3, 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