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

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.

Mostly Cloudy

57°F

14°C

Humidity 67%
Wind Speed SW 10 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 46°F (8°C)
Visibility 8.00 mi
Last update 21 Apr 04:47 PM PDT
Extended Forecast for

9 Miles N Mount Hamilton CA

  • This Afternoon

    This Afternoon: Showers likely. Mostly cloudy, with a steady temperature around 45. West southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Showers
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers, mainly between 11pm and 2am. Mostly cloudy, with a low around 40. West southwest wind 6 to 9 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 2pm, then a slight chance of showers after 3pm. Partly sunny, with a high near 52. South wind 6 to 8 mph becoming west northwest in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41. West wind 6 to 8 mph.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 59. Northwest wind 6 to 8 mph.

    High: 59 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Friday Night

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

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Showers likely. Mostly cloudy, with a steady temperature around 45. West southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 30 percent chance of showers, mainly between 11pm and 2am. Mostly cloudy, with a low around 40. West southwest wind 6 to 9 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A chance of showers before 2pm, then a slight chance of showers after 3pm. Partly sunny, with a high near 52. South wind 6 to 8 mph becoming west northwest in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Partly cloudy, with a low around 41. West wind 6 to 8 mph.
Thursday
Sunny, with a high near 59. Northwest wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Partly sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles N Mount Hamilton CA
 37.49°N 121.65°W (Elev. 3081 ft)
Last Update:
2:36 pm PDT Apr 21, 2026
Forecast Valid:
5pm PDT Apr 21, 2026-6pm PDT Apr 28, 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