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

43°F

6°C

Humidity 84%
Wind Speed SSW 3 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 27 Dec 05:00 AM PST
Extended Forecast for

15 Miles ENE Morgan Hill CA

  • Today

    Today: Mostly sunny, with a high near 51. West wind 5 to 8 mph becoming northeast in the afternoon.

    High: 51 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. West northwest wind 3 to 5 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 51. Light and variable wind becoming east northeast around 6 mph in the afternoon.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 35. Calm wind.

    Low: 35 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 54. Calm wind becoming east northeast around 6 mph in the morning.

    High: 54 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of rain after 4pm.  Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny
    then Slight
    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 51. West wind 5 to 8 mph becoming northeast in the afternoon.
Tonight
Mostly clear, with a low around 34. West northwest wind 3 to 5 mph.
Sunday
Sunny, with a high near 51. Light and variable wind becoming east northeast around 6 mph in the afternoon.
Sunday Night
Clear, with a low around 35. Calm wind.
Monday
Sunny, with a high near 54. Calm wind becoming east northeast around 6 mph in the morning.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
A slight chance of rain after 4pm. Mostly sunny, with a high near 57.
Wednesday Night
A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 44.
New Year's Day
A chance of rain. Mostly cloudy, with a high near 55.
Thursday Night
Rain likely. Mostly cloudy, with a low around 43.
Friday
A chance of rain. Mostly cloudy, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ENE Morgan Hill CA
 37.23°N 121.38°W (Elev. 1339 ft)
1:21 am PST Dec 27, 2025
5am PST Dec 27, 2025-6pm PST Jan 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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