Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Clear

64°F

18°C

Humidity 34%
Wind Speed NW 6 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 17 Apr 07:47 PM PDT
Extended Forecast for

4 Miles S Mount Hamilton CA

  • Tonight

    Tonight: Partly cloudy, with a low around 44. Light and variable wind.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 66. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 48. Light and variable wind.

    Low: 48 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 64. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 64 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43. South wind 5 to 8 mph.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers after 11am.  Mostly sunny, with a high near 63. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Showers, mainly after 11pm.  Low around 47. Chance of precipitation is 80%.

    Low: 47 °F

    Showers

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 11am.  Cloudy, with a high near 52.

    High: 52 °F

    Showers

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 11pm.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Rain Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 44. Light and variable wind.
Saturday
Mostly sunny, with a high near 66. Calm wind becoming south southwest around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 48. Light and variable wind.
Sunday
Partly sunny, with a high near 64. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 43. South wind 5 to 8 mph.
Monday
A 30 percent chance of showers after 11am. Mostly sunny, with a high near 63. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Showers, mainly after 11pm. Low around 47. Chance of precipitation is 80%.
Tuesday
Showers, with thunderstorms also possible after 11am. Cloudy, with a high near 52.
Tuesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 43.
Wednesday
A chance of rain, mainly before 11am. Partly sunny, with a high near 54.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 41.
Friday
Sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Mount Hamilton CA
 37.28°N 121.63°W (Elev. 2831 ft)
11:26 pm PDT Apr 17, 2026
11pm PDT Apr 17, 2026-6pm PDT Apr 24, 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