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

66°F

19°C

Humidity 16%
Wind Speed N 9 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 17 Apr 10:47 AM PDT
Extended Forecast for

Mount Hamilton CA

  • Today

    Today: Sunny, with a high near 60. North northwest wind around 7 mph.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 46. North northwest wind 5 to 7 mph becoming calm  after midnight.

    Low: 46 °F

    Partly Cloudy

  • Saturday

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

    High: 66 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 49 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 65. South southwest wind 3 to 8 mph.

    High: 65 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of rain after 11pm.  Mostly cloudy, with a low around 46. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Slight Chance
    Rain

  • Monday

    Monday: Rain likely, mainly after 11am.  Partly sunny, with a high near 56. Chance of precipitation is 60%.

    High: 56 °F

    Rain Likely

  • Monday Night

    Monday Night: A chance of rain.  Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am.  Mostly cloudy, with a high near 50.

    High: 50 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 60. North northwest wind around 7 mph.
Tonight
Partly cloudy, with a low around 46. North northwest wind 5 to 7 mph becoming calm after midnight.
Saturday
Mostly sunny, with a high near 66. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 49. West wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 65. South southwest wind 3 to 8 mph.
Sunday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 46. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely, mainly after 11am. Partly sunny, with a high near 56. Chance of precipitation is 60%.
Monday Night
A chance of rain. Mostly cloudy, with a low around 44.
Tuesday
Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 50.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 44.
Wednesday
A chance of rain. Partly sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Hamilton CA
 37.35°N 121.64°W (Elev. 2398 ft)
2:27 am PDT Apr 17, 2026
11am 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