Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. 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 67%
Wind Speed E 3 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 21 Apr 09:47 PM PDT
Extended Forecast for

4 Miles SSW Mount Hamilton CA

  • Overnight

    Overnight: A 30 percent chance of rain after 5am.  Patchy fog before 3am.  Otherwise, partly cloudy, with a low around 41. Calm wind.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: A chance of rain before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a chance of rain after 2pm.  Patchy fog before 7am.  Otherwise, partly sunny, with a high near 58. Calm wind becoming southwest around 6 mph in the afternoon.  Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 66. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. West northwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of rain after 5am. Patchy fog before 3am. Otherwise, partly cloudy, with a low around 41. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of rain before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a chance of rain after 2pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 58. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Partly cloudy, with a low around 42. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 66. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 43. West northwest wind 5 to 8 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 66.
Friday Night
Mostly cloudy, with a low around 44.
Saturday
Mostly cloudy, with a high near 58.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Partly sunny, with a high near 62.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Mount Hamilton CA
 37.28°N 121.65°W (Elev. 1762 ft)
1:26 am PDT Apr 22, 2026
2am PDT Apr 22, 2026-6pm PDT Apr 28, 2026
 
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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