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

68°F

20°C

Humidity 49%
Wind Speed N 0 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 30 Mar 08:58 PM PDT
Extended Forecast for

Mount Hamilton CA

  • Overnight

    Overnight: A 20 percent chance of rain after 3am.  Mostly cloudy, with a low around 52. Southwest wind around 6 mph.

    Low: 52 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: Rain likely, mainly between noon and 1pm.  Mostly cloudy, with a high near 56. Southwest wind 6 to 8 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A slight chance of rain before 3am, then a slight chance of rain after 4am.  Mostly cloudy, with a low around 45. South southwest wind 5 to 7 mph.  Chance of precipitation is 20%.

    Low: 45 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain, mainly after 11am.  Partly sunny, with a high near 55. South southwest wind 6 to 10 mph, with gusts as high as 21 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °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 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Rain Likely

  • Thursday

    Thursday: A 30 percent chance of rain before 11am.  Mostly sunny, with a high near 53.

    High: 53 °F

    Chance Rain
    then Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Friday Night

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

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of rain after 3am. Mostly cloudy, with a low around 52. Southwest wind around 6 mph.
Tuesday
Rain likely, mainly between noon and 1pm. Mostly cloudy, with a high near 56. Southwest wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A slight chance of rain before 3am, then a slight chance of rain after 4am. Mostly cloudy, with a low around 45. South southwest wind 5 to 7 mph. Chance of precipitation is 20%.
Wednesday
A 50 percent chance of rain, mainly after 11am. Partly sunny, with a high near 55. South southwest wind 6 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 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 30 percent chance of rain before 11am. Mostly sunny, with a high near 53.
Thursday Night
Clear, with a low around 41.
Friday
Sunny, with a high near 63.
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
Mostly sunny, with a high near 73.
Sunday Night
Partly cloudy, 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)
1:26 am PDT Mar 31, 2026
1am PDT Mar 31, 2026-6pm PDT Apr 6, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database