Heavy Rain and Flooding Concerns in Hawaii; Severe Weather this Weekend in the Plains; Pacific Storm in the West

A storm system near the Hawaiian Islands is expected to bring periods of heavy rainfall, strong winds, and isolated strong to severe thunderstorms through Friday. Several rounds of severe thunderstorms are forecast to impact parts of the Great Plains into the Midwest this weekend into next week. Moderate to heavy rainfall and high elevation snow is expected this weekend over California and Oregon. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Partly Cloudy

64°F

18°C

Humidity 67%
Wind Speed NW 8 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 09 Apr 07:47 PM PDT
Extended Forecast for

2 Miles WSW Mount Hamilton CA

  • Overnight

    Overnight: A 30 percent chance of rain, mainly after 4am.  Mostly cloudy, with a low around 48. Light south wind.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Chance Rain

  • Friday

    Friday: Showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm.  High near 57. South southwest wind 5 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm, then a chance of rain after 11pm.  Mostly cloudy, with a low around 46. South southwest wind 6 to 9 mph, with gusts as high as 18 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Showers
    Likely

  • Saturday

    Saturday: Rain, mainly between 11am and 2pm, then showers and possibly a thunderstorm after 2pm.  High near 54. South wind 8 to 14 mph, with gusts as high as 28 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 54 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 2am, then rain after 2am.  Low around 41. South wind 10 to 14 mph, with gusts as high as 26 mph.  Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 41 °F

    Showers

  • Sunday

    Sunday: Rain before 11am, then showers and possibly a thunderstorm between 11am and 5pm, then a chance of showers and thunderstorms after 5pm.  High near 50. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 50 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then a chance of rain, mainly between 8pm and 11pm.  Mostly cloudy, with a low around 41. Chance of precipitation is 50%.

    Low: 41 °F

    Chance
    Showers then
    Slight Chance
    Rain

  • Monday

    Monday: A slight chance of rain before 11am.  Mostly sunny, with a high near 57.

    High: 57 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 48. Light south wind. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 57. South southwest wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 46. South southwest wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Rain, mainly between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 54. South wind 8 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and possibly a thunderstorm before 2am, then rain after 2am. Low around 41. South wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Sunday
Rain before 11am, then showers and possibly a thunderstorm between 11am and 5pm, then a chance of showers and thunderstorms after 5pm. High near 50. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers and thunderstorms before 8pm, then a chance of rain, mainly between 8pm and 11pm. Mostly cloudy, with a low around 41. Chance of precipitation is 50%.
Monday
A slight chance of rain before 11am. Mostly sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Mount Hamilton CA
 37.32°N 121.66°W (Elev. 2201 ft)
1:26 am PDT Apr 10, 2026
2am PDT Apr 10, 2026-6pm PDT Apr 16, 2026
 
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Additional Resources

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