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 portions of the central and southern High Plains. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Mostly Cloudy

61°F

16°C

Humidity 59%
Wind Speed SSW 9 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 21 Apr 01:47 PM PDT
Extended Forecast for

5 Miles SSW Mount Hamilton CA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Steady temperature around 55. South southwest wind around 9 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 55 °F

    Showers

  • Tonight

    Tonight: A 30 percent chance of showers, mainly between 11pm and 2am.  Mostly cloudy, with a low around 43. West wind 5 to 7 mph becoming calm  in the evening.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 2pm, then a slight chance of showers after 4pm.  Mostly sunny, with a high near 62. Calm wind becoming west southwest 5 to 7 mph in the afternoon.  Chance of precipitation is 40%.

    High: 62 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43. North northwest wind 3 to 7 mph.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 69. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Steady temperature around 55. South southwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers, mainly between 11pm and 2am. Mostly cloudy, with a low around 43. West wind 5 to 7 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers before 2pm, then a slight chance of showers after 4pm. Mostly sunny, with a high near 62. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Chance of precipitation is 40%.
Wednesday Night
Mostly clear, with a low around 43. North northwest wind 3 to 7 mph.
Thursday
Sunny, with a high near 69. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 69.
Friday Night
Mostly cloudy, with a low around 46.
Saturday
Partly sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Mount Hamilton CA
 37.28°N 121.68°W (Elev. 1138 ft)
2:36 pm PDT Apr 21, 2026
2pm PDT Apr 21, 2026-6pm PDT Apr 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database