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	81%
Wind Speed	N 0 MPH
Barometer	29.92 in (1013.21 mb)
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Last update	12 Apr 09:48 AM PDT

More Information:

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

Extended Forecast for

5 Miles SSW Mount Hamilton CA

Today
High: 56 °F
Showers
Likely
Tonight
Low: 41 °F
Chance
Showers then
Patchy Fog
Monday
High: 62 °F
Areas Fog
then Sunny
Monday Night
Low: 42 °F
Mostly Clear
Tuesday
High: 65 °F
Mostly Sunny
Tuesday Night
Low: 41 °F
Mostly Clear
Wednesday
High: 66 °F
Mostly Sunny
Wednesday Night
Low: 45 °F
Partly Cloudy
Thursday
High: 66 °F
Sunny

Detailed Forecast

Today

Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 56. West southwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

A 30 percent chance of showers before 8pm. 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

Areas of fog before 9am. Otherwise, mostly sunny, with a high near 62. Calm wind becoming west northwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

Monday Night

Mostly clear, with a low around 42. Northwest wind 5 to 9 mph becoming light west northwest after midnight. Winds could gust as high as 18 mph.

Tuesday

Mostly sunny, with a high near 65. Calm wind becoming west 5 to 7 mph in the afternoon.

Tuesday Night

Mostly clear, with a low around 41.

Wednesday

Mostly sunny, with a high near 66.

Wednesday Night

Partly cloudy, with a low around 45.

Thursday

Sunny, with a high near 66.