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

54°F

12°C

Humidity	87%
Wind Speed	E 5 MPH
Barometer	29.79 in (1008.81 mb)
Dewpoint	50°F (10°C)
Visibility	9.00 mi
Last update	11 Apr 07:47 PM PDT

More Information:

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

Extended Forecast for

Mount Hamilton CA

Tonight
Low: 41 °F
Heavy Rain
Sunday
High: 46 °F
Showers
Sunday Night
Low: 41 °F
Chance
Showers then
Partly Cloudy
Monday
High: 52 °F
Mostly Sunny
Monday Night
Low: 41 °F
Mostly Clear
Tuesday
High: 58 °F
Sunny
Tuesday Night
Low: 41 °F
Mostly Clear
Wednesday
High: 58 °F
Sunny
Wednesday Night
Low: 44 °F
Partly Cloudy

Detailed Forecast

Tonight

Showers and thunderstorms likely before midnight, then showers likely and possibly a thunderstorm between midnight and 2am, then showers likely after 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 41. Southwest wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday

Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 46. Southwest wind 11 to 15 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.

Sunday Night

A 30 percent chance of showers before 11pm. Mostly cloudy, with a low around 41. West southwest wind 6 to 11 mph becoming light southwest after midnight. 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 52. West wind 3 to 8 mph.

Monday Night

Mostly clear, with a low around 41. West wind 6 to 9 mph.

Tuesday

Sunny, with a high near 58.

Tuesday Night

Mostly clear, with a low around 41.

Wednesday

Sunny, with a high near 58.

Wednesday Night

Partly cloudy, with a low around 44.