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

11 Miles NE Mount Hamilton CA

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 4am.  Partly cloudy, with a low around 40. South southwest wind around 7 mph.

    Low: 40 °F

    Chance Rain

  • Friday

    Friday: Showers and thunderstorms, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm.  High near 55. South southwest wind 7 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 55 °F

    Showers

  • Friday Night

    Friday Night: A chance of rain and thunderstorms, then rain likely after 9pm.  Mostly cloudy, with a low around 39. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 39 °F

    Rain Likely

  • Saturday

    Saturday: Rain, mainly between 11am and 2pm, then showers and possibly a thunderstorm after 2pm.  High near 52. South wind 11 to 18 mph, with gusts as high as 31 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 52 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 11pm, then rain after 11pm.  Low around 35. South southwest wind 15 to 18 mph, with gusts as high as 31 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 35 °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 48. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 48 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then a chance of rain, mainly between 8pm and 11pm.  Areas of frost after 5am.  Otherwise, mostly cloudy, with a low around 34. Chance of precipitation is 50%.

    Low: 34 °F

    Chance
    Showers then
    Slight Chance
    Rain

  • Monday

    Monday: Areas of frost before 8am.  Otherwise, mostly sunny, with a high near 53.

    High: 53 °F

    Areas Frost
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly after 4am. Partly cloudy, with a low around 40. South southwest wind around 7 mph.
Friday
Showers and thunderstorms, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. High near 55. South southwest wind 7 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of rain and thunderstorms, then rain likely after 9pm. Mostly cloudy, with a low around 39. Southwest wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth 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 52. South wind 11 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm before 11pm, then rain after 11pm. Low around 35. South southwest wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an 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 48. 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. Areas of frost after 5am. Otherwise, mostly cloudy, with a low around 34. Chance of precipitation is 50%.
Monday
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 53.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 36.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NE Mount Hamilton CA
 37.46°N 121.5°W (Elev. 3310 ft)
11:26 pm PDT Apr 9, 2026
11pm PDT Apr 9, 2026-6pm PDT Apr 16, 2026
 
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Additional Resources

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