Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Mostly Cloudy

66°F

19°C

Humidity 45%
Wind Speed N 0 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 30 Mar 07:48 PM PDT
Extended Forecast for

Mount Hamilton CA

  • Tonight

    Tonight: A 10 percent chance of rain after 5am.  Mostly cloudy, with a low around 52. West southwest wind around 6 mph.

    Low: 52 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: A 40 percent chance of rain, mainly after 2pm.  Mostly cloudy, with a steady temperature around 55. Southwest wind 5 to 8 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain, mainly before 11pm.  Mostly cloudy, with a low around 45. South wind 5 to 7 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Chance Rain
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain, mainly after 11am.  Partly sunny, with a high near 54. Southwest wind 5 to 10 mph, with gusts as high as 21 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely.  Mostly cloudy, with a low around 42. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Rain Likely

  • Thursday

    Thursday: A 20 percent chance of rain before 11am.  Sunny, with a high near 55.

    High: 55 °F

    Slight Chance
    Rain then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
A 10 percent chance of rain after 5am. Mostly cloudy, with a low around 52. West southwest wind around 6 mph.
Tuesday
A 40 percent chance of rain, mainly after 2pm. Mostly cloudy, with a steady temperature around 55. Southwest wind 5 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 50 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 45. South wind 5 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 40 percent chance of rain, mainly after 11am. Partly sunny, with a high near 54. Southwest wind 5 to 10 mph, with gusts as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 42. Southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 20 percent chance of rain before 11am. Sunny, with a high near 55.
Thursday Night
Mostly clear, with a low around 41.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 71.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Hamilton CA
 37.35°N 121.64°W (Elev. 2398 ft)
1:25 pm PDT Mar 30, 2026
8pm PDT Mar 30, 2026-6pm PDT Apr 6, 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