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

Mount Hamilton CA

  • Overnight

    Overnight: A 20 percent chance of rain before 1am.  Mostly cloudy, with a low around 45. South southwest wind around 9 mph.

    Low: 45 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain, mainly after noon.  Mostly cloudy, with a high near 52. South southwest wind 9 to 15 mph, with gusts as high as 23 mph.  New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Slight Chance
    Rain then
    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly between 9pm and 4am.  Mostly cloudy, with a low around 40. Southwest wind 13 to 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Rain Likely

  • Thursday

    Thursday: A 20 percent chance of rain before 11am.  Partly sunny, then gradually becoming sunny, with a high near 53. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 53 °F

    Slight Chance
    Rain then
    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 41. North northwest wind 11 to 15 mph, with gusts as high as 29 mph.

    Low: 41 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °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 71.

    High: 71 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 45. South southwest wind around 9 mph.
Wednesday
A 50 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 52. South southwest wind 9 to 15 mph, with gusts as high as 23 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain likely, mainly between 9pm and 4am. Mostly cloudy, with a low around 40. Southwest wind 13 to 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
A 20 percent chance of rain before 11am. Partly sunny, then gradually becoming sunny, with a high near 53. Northwest wind around 15 mph, with gusts as high as 25 mph.
Thursday Night
Clear, with a low around 41. North northwest wind 11 to 15 mph, with gusts as high as 29 mph.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 50.
Monday
Sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Hamilton CA
 37.35°N 121.64°W (Elev. 2398 ft)
11:26 pm PDT Mar 31, 2026
12am PDT Apr 1, 2026-6pm PDT Apr 7, 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