National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Snow in the Cascades and Northern Rockies; Wintry Mix in the Northeast; High Winds in Southern California

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. today. High winds could blow down trees and power lines in the mountains of southern California this evening through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Partly Cloudy

57°F

14°C

Humidity 67%
Wind Speed N 12 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 07 Jan 01:47 PM PST
Extended Forecast for

4 Miles W Mount Hamilton CA

Extreme Cold Watch January 9, 01:00am until January 9, 09:00am
Click here for hazard details and duration
Extreme Cold Watch

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 53. West northwest wind around 8 mph.

    High: 53 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 36. Northwest wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 36 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Patchy frost before 9am. Otherwise, sunny, with a high near 50. North northwest wind 8 to 10 mph, with gusts as high as 22 mph.

    High: 50 °F

    Patchy Frost
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. North northeast wind 5 to 7 mph.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 53. Northeast wind 3 to 5 mph.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 53. West northwest wind around 8 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 36. Northwest wind 7 to 9 mph, with gusts as high as 18 mph.
Thursday
Patchy frost before 9am. Otherwise, sunny, with a high near 50. North northwest wind 8 to 10 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 31. North northeast wind 5 to 7 mph.
Friday
Sunny, with a high near 53. Northeast wind 3 to 5 mph.
Friday Night
Mostly clear, with a low around 35.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Sunny, with a high near 62.
Monday Night
Clear, with a low around 42.
Tuesday
Sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Mount Hamilton CA
 37.34°N 121.73°W (Elev. 2011 ft)
Last Update:
12:26 pm PST Jan 7, 2026
Forecast Valid:
2pm PST Jan 7, 2026-6pm PST Jan 13, 2026
 
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Additional Resources

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Chance of Precipitation