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.

Clear

54°F

12°C

Humidity 76%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 23 Apr 07:47 AM PDT
Extended Forecast for

10 Miles NNE Mount Hamilton CA

  • Today

    Today: Sunny, with a high near 58. Northwest wind around 9 mph.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 38. Northwest wind 6 to 9 mph becoming west southwest after midnight.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 60. West southwest wind 5 to 7 mph.

    High: 60 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34. Southwest wind around 9 mph.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 54. Southwest wind 7 to 9 mph.

    High: 54 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A 20 percent chance of rain. Mostly sunny, with a high near 54.

    High: 54 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Areas of frost after 2am. Otherwise, mostly clear, with a low around 34.

    Low: 34 °F

    Partly Cloudy
    then Areas
    Frost

  • Monday

    Monday: Areas of frost before 8am. Otherwise, mostly sunny, with a high near 59.

    High: 59 °F

    Areas Frost
    then Sunny

Detailed Forecast

Today
Sunny, with a high near 58. Northwest wind around 9 mph.
Tonight
Partly cloudy, with a low around 38. Northwest wind 6 to 9 mph becoming west southwest after midnight.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 60. West southwest wind 5 to 7 mph.
Friday Night
Partly cloudy, with a low around 34. Southwest wind around 9 mph.
Saturday
Partly sunny, with a high near 54. Southwest wind 7 to 9 mph.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 36.
Sunday
A 20 percent chance of rain. Mostly sunny, with a high near 54.
Sunday Night
Areas of frost after 2am. Otherwise, mostly clear, with a low around 34.
Monday
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 59.
Monday Night
Patchy frost after 4am. Otherwise, mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 63.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNE Mount Hamilton CA
 37.48°N 121.56°W (Elev. 3707 ft)
Last Update:
8:31 am PDT Apr 23, 2026
Forecast Valid:
8am PDT Apr 23, 2026-6pm PDT Apr 29, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation