Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Mostly Cloudy

61°F

16°C

Humidity 72%
Wind Speed SSW 6 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 31 Mar 09:47 PM PDT
Extended Forecast for

4 Miles S Mount Hamilton CA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 47. South southwest wind around 8 mph.

    Low: 47 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of rain, mainly after noon.  Mostly cloudy, with a high near 52. South southwest wind 8 to 14 mph, with gusts as high as 20 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Slight Chance
    Rain then
    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly between 10pm and 4am.  Mostly cloudy, with a low around 40. South southwest wind 11 to 14 mph becoming northwest after midnight. Winds could gust as high as 23 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain Likely

  • Thursday

    Thursday: A slight chance of rain, mixing with snow after 8am, then gradually ending.  Partly sunny, then gradually becoming sunny, with a high near 55. Northwest wind 13 to 15 mph, with gusts as high as 24 mph.  Chance of precipitation is 20%.

    High: 55 °F

    Slight Chance
    Rain/Snow
    then Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 40. North wind 15 to 17 mph, with gusts as high as 31 mph.

    Low: 40 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 47. South southwest wind around 8 mph.
Wednesday
A 50 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 52. South southwest wind 8 to 14 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely, mainly between 10pm and 4am. Mostly cloudy, with a low around 40. South southwest wind 11 to 14 mph becoming northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A slight chance of rain, mixing with snow after 8am, then gradually ending. Partly sunny, then gradually becoming sunny, with a high near 55. Northwest wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Thursday Night
Clear, with a low around 40. North wind 15 to 17 mph, with gusts as high as 31 mph.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 49.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Mount Hamilton CA
 37.28°N 121.63°W (Elev. 2831 ft)
1:26 am PDT Apr 1, 2026
2am PDT Apr 1, 2026-6pm PDT Apr 7, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database