Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Overcast

59°F

15°C

Humidity 58%
Wind Speed W 4 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 20 Jan 03:50 PM PST
Extended Forecast for

10 Miles E Mount Hamilton CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 63. Calm wind.

    High: 63 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 62. Calm wind.

    High: 62 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Patchy frost after 5am.  Otherwise, mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear
    then Patchy
    Frost

  • Saturday

    Saturday: Patchy frost before 7am.  Otherwise, sunny, with a high near 59.

    High: 59 °F

    Patchy Frost
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 42. Calm wind.
Wednesday
Mostly cloudy, with a high near 63. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 40. Calm wind.
Thursday
Partly sunny, with a high near 62. Calm wind.
Thursday Night
Partly cloudy, with a low around 37. Calm wind.
Friday
Sunny, with a high near 60.
Friday Night
Patchy frost after 5am. Otherwise, mostly clear, with a low around 35.
Saturday
Patchy frost before 7am. Otherwise, sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
Mostly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles E Mount Hamilton CA
 37.33°N 121.47°W (Elev. 2113 ft)
7:24 pm PST Jan 20, 2026
8pm PST Jan 20, 2026-6pm PST Jan 27, 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