Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Mostly Cloudy

57°F

14°C

Humidity	87%
Wind Speed	SSE 4 MPH
Barometer	29.9 in (1012.53 mb)
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Last update	11 Apr 06:55 AM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles WSW Mount Hamilton CA

Today
High: 54 °F
Showers
Likely
Tonight
Low: 41 °F
Heavy Rain
Sunday
High: 50 °F
Showers
Sunday Night
Low: 40 °F
Chance Rain
then Mostly
Cloudy
Monday
High: 56 °F
Mostly Sunny
Monday Night
Low: 39 °F
Mostly Clear
Tuesday
High: 61 °F
Sunny
Tuesday Night
Low: 39 °F
Mostly Clear
Wednesday
High: 61 °F
Sunny

Detailed Forecast

Today

A chance of rain and thunderstorms before 4pm, then rain likely between 4pm and 5pm, then showers likely after 5pm. Mostly cloudy, with a high near 54. South southwest wind 10 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms, mainly before 3am, then rain after 5am. Some of the storms could produce heavy rainfall. Low around 41. South southwest wind 10 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Sunday

Rain before 8am, then showers and possibly a thunderstorm after 8am. High near 50. South southwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

A 40 percent chance of rain before 11pm. Mostly cloudy, with a low around 40. Southwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

Monday

Mostly sunny, with a high near 56. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

Monday Night

Mostly clear, with a low around 39.

Tuesday

Sunny, with a high near 61.

Tuesday Night

Mostly clear, with a low around 39.

Wednesday

Sunny, with a high near 61.

Wednesday Night

Partly cloudy, with a low around 42.