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

Severe Weather in the Central U.S.; Critical Fire Weather in the Southern Plains

Severe thunderstorms are expected to form today from northern Oklahoma into southern Minnesota. Very large hail and tornadoes will be the initial threats this afternoon, then transition into a wind threat tonight. Gusty winds, warm temperatures, and very dry conditions will create a Critical Risk of fire weather across portions of the southern Plains today. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Partly Cloudy

57°F

14°C

Humidity 82%
Wind Speed NW 5 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 22 Apr 09:55 PM PDT
Extended Forecast for

Mount Hamilton CA

  • Today

    Today: Sunny, with a high near 59. West northwest wind 6 to 8 mph.

    High: 59 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 43. Northwest wind 5 to 7 mph becoming light and variable after midnight.

    Low: 43 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 58. West southwest wind 3 to 6 mph.

    High: 58 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42. West wind around 7 mph.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 51. Southwest wind 6 to 8 mph.

    High: 51 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A 20 percent chance of rain before 11am. Mostly sunny, with a high near 53.

    High: 53 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 59. West northwest wind 6 to 8 mph.
Tonight
Increasing clouds, with a low around 43. Northwest wind 5 to 7 mph becoming light and variable after midnight.
Friday
Partly sunny, with a high near 58. West southwest wind 3 to 6 mph.
Friday Night
Partly cloudy, with a low around 42. West wind around 7 mph.
Saturday
Partly sunny, with a high near 51. Southwest wind 6 to 8 mph.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 42.
Sunday
A 20 percent chance of rain before 11am. Mostly sunny, with a high near 53.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Hamilton CA
 37.35°N 121.64°W (Elev. 2398 ft)
Last Update:
2:52 am PDT Apr 23, 2026
Forecast Valid:
6am PDT Apr 23, 2026-6pm PDT Apr 29, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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