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

A Couple of Fast Moving Storms Affecting Areas Along and East of the Rockies

A couple of storm systems will impact travel conditions through the first half of this weekend. Heavy snow from the mountains of the West will move into the upper Midwest and upper Great Lakes through tonight. Record warmth and Gulf moisture along and east of the Mississippi River will fuel severe thunderstorms, heavy rainfall, fog for the Tennessee Valley and deep South on Friday into Saturday. Read More >

Hazardous Weather Conditions

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Clear

57°F

14°C

Humidity 38%
Wind Speed NNW 8 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 08 Jan 02:47 PM PST
Extended Forecast for

Mount Hamilton CA

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

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 40. North wind 7 to 11 mph, with gusts as high as 22 mph.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 50. East northeast wind 3 to 5 mph.

    High: 50 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 40. Light northeast wind.

    Low: 40 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 54. Light east northeast wind.

    High: 54 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41. Light north northeast wind.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a steady temperature around 40. North wind 7 to 11 mph, with gusts as high as 22 mph.
Friday
Sunny, with a high near 50. East northeast wind 3 to 5 mph.
Friday Night
Clear, with a low around 40. Light northeast wind.
Saturday
Sunny, with a high near 54. Light east northeast wind.
Saturday Night
Partly cloudy, with a low around 41. Light north northeast wind.
Sunday
Partly sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 58.
Monday Night
Clear, with a low around 46.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 63.
Wednesday Night
Clear, with a low around 49.
Thursday
Sunny, with a high near 62.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Hamilton CA
 37.35°N 121.62°W (Elev. 3406 ft)
Last Update:
12:26 pm PST Jan 8, 2026
Forecast Valid:
3pm PST Jan 8, 2026-6pm PST Jan 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation