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

68°F

20°C

Humidity 15%
Wind Speed WNW 10 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 17 Apr 11:47 AM PDT
Extended Forecast for

4 Miles S Mount Hamilton CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 62. West northwest wind around 7 mph.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 44. North northwest wind around 6 mph becoming calm  in the evening.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 49 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 66. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 66 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers, mainly after 11am.  Partly sunny, with a high near 62.

    High: 62 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Rain likely, mainly after 11pm.  Mostly cloudy, with a low around 47.

    Low: 47 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain before 11am, then showers and possibly a thunderstorm after 11am.  Mostly cloudy, with a high near 52.

    High: 52 °F

    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 62. West northwest wind around 7 mph.
Tonight
Partly cloudy, with a low around 44. North northwest wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 67. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 49. West southwest wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 66. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 43.
Monday
A 40 percent chance of showers, mainly after 11am. Partly sunny, with a high near 62.
Monday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 47.
Tuesday
Rain before 11am, then showers and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 52.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 44.
Wednesday
A chance of rain. Partly sunny, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 58.
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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 am PDT Apr 17, 2026
12pm PDT Apr 17, 2026-6pm PDT Apr 23, 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