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

San Jose / Reid / Hillv (KRHV)

Lat: 37.33333°NLon: 121.81667°WElev: 135.0ft.

Partly Cloudy

50°F

10°C

Humidity 76%
Wind Speed NA 4 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 27 Dec 06:47 PM PST
Extended Forecast for

Mount Hamilton CA

  • Tonight

    Tonight: Patchy frost between 1am and 2am.  Otherwise, mostly clear, with a low around 35. Northeast wind around 6 mph.

    Low: 35 °F

    Mostly Clear
    then Patchy
    Frost

  • Sunday

    Sunday: Sunny, with a high near 51. North wind around 6 mph.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 38. North northeast wind 3 to 6 mph.

    Low: 38 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 54. North northeast wind around 6 mph.

    High: 54 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 42. East northeast wind 3 to 6 mph.

    Low: 42 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain after 10am.  Partly sunny, with a high near 58.

    High: 58 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

Detailed Forecast

Tonight
Patchy frost between 1am and 2am. Otherwise, mostly clear, with a low around 35. Northeast wind around 6 mph.
Sunday
Sunny, with a high near 51. North wind around 6 mph.
Sunday Night
Clear, with a low around 38. North northeast wind 3 to 6 mph.
Monday
Sunny, with a high near 54. North northeast wind around 6 mph.
Monday Night
Clear, with a low around 42. East northeast wind 3 to 6 mph.
Tuesday
Sunny, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
A slight chance of rain after 10am. Partly sunny, with a high near 58.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 45.
New Year's Day
Rain likely. Mostly cloudy, with a high near 56.
Thursday Night
Rain likely. Mostly cloudy, with a low around 45.
Friday
A chance of rain. Mostly cloudy, with a high near 52.
Friday Night
A chance of rain. Mostly cloudy, with a low around 43.
Saturday
A chance of rain. Partly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Hamilton CA
 37.35°N 121.64°W (Elev. 2398 ft)
12:27 pm PST Dec 27, 2025
7pm PST Dec 27, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database