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

48°F

9°C

Humidity 66%
Wind Speed NW 8 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 08 Jan 09:47 AM 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

  • Today

    Today: Sunny, with a high near 43. North northwest wind around 14 mph, with gusts as high as 25 mph.

    High: 43 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 36. North wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 51. East northeast wind around 6 mph.

    High: 51 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 37. Northeast wind 3 to 6 mph.

    Low: 37 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 54. East northeast wind around 6 mph becoming light and variable in the afternoon.

    High: 54 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 43. North northwest wind around 14 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a steady temperature around 36. North wind 8 to 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 51. East northeast wind around 6 mph.
Friday Night
Clear, with a low around 37. Northeast wind 3 to 6 mph.
Saturday
Sunny, with a high near 54. East northeast wind around 6 mph becoming light and variable in the afternoon.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 58.
Monday Night
Clear, with a low around 43.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 63.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Hamilton CA
 37.35°N 121.64°W (Elev. 2398 ft)
Last Update:
8:41 am PST Jan 8, 2026
Forecast Valid:
10am PST Jan 8, 2026-6pm PST Jan 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation