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 >

Hazardous Weather Conditions

Special Weather Statement

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Mostly Cloudy

54°F

12°C

Humidity	71%
Wind Speed	N 0 MPH
Barometer	29.82 in (1009.82 mb)
Dewpoint	45°F (7°C)
Visibility	9.00 mi
Last update	11 Apr 09:47 PM PDT

More Information:

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

Extended Forecast for

5 Miles SSW Mount Hamilton CA

Overnight
Low: 43 °F
Showers
Likely
Sunday
High: 56 °F
Showers
Likely
Sunday Night
Low: 41 °F
Chance
Showers then
Patchy Fog
Monday
High: 62 °F
Patchy Fog
then Mostly
Sunny
Monday Night
Low: 42 °F
Partly Cloudy
Tuesday
High: 66 °F
Mostly Sunny
Tuesday Night
Low: 41 °F
Mostly Clear
Wednesday
High: 66 °F
Mostly Sunny
Wednesday Night
Low: 45 °F
Mostly Cloudy

Detailed Forecast

Overnight

Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 43. South wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

Showers likely before 8am, then showers likely and possibly a thunderstorm between 8am and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 56. Southwest wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

A 40 percent chance of showers, mainly before 7pm. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 41. West southwest wind 5 to 7 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.

Monday

Patchy fog before 8am. Otherwise, mostly sunny, with a high near 62. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

Monday Night

Partly cloudy, with a low around 42. West northwest wind 5 to 9 mph becoming calm after midnight.

Tuesday

Mostly sunny, with a high near 66.

Tuesday Night

Mostly clear, with a low around 41.

Wednesday

Mostly sunny, with a high near 66.

Wednesday Night

Mostly cloudy, with a low around 45.