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

LOS ALTOS (LOAC1)

Lat: 37.35472°NLon: 122.14167°WElev: 539.0ft.

52°F

11°C

Humidity	82%
Wind Speed	WSW 2 MPH
Barometer	NA
Dewpoint	47°F (8°C)
Visibility	NA
Last update	12 Apr 12:10 AM PDT

More Information:

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

Extended Forecast for

3 Miles SSW Los Altos Hills CA

Overnight
Low: 47 °F
Chance
Showers
Sunday
High: 50 °F
Showers
Sunday Night
Low: 49 °F
Chance
Showers
Monday
High: 56 °F
Mostly Sunny
Monday Night
Low: 49 °F
Partly Cloudy
Tuesday
High: 57 °F
Mostly Sunny
Tuesday Night
Low: 48 °F
Mostly Clear
Wednesday
High: 57 °F
Mostly Sunny
Wednesday Night
Low: 51 °F
Mostly Cloudy

Detailed Forecast

Overnight

A chance of showers and thunderstorms. Mostly cloudy, with a low around 47. Southwest wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 50. Southwest wind 9 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday Night

A chance of showers before 9pm, then a slight chance of showers after 11pm. Partly cloudy, with a steady temperature around 49. West southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 40%. 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

Partly cloudy, with a low around 49. West northwest wind 7 to 9 mph.

Tuesday

Mostly sunny, with a high near 57.

Tuesday Night

Mostly clear, with a low around 48.

Wednesday

Mostly sunny, with a high near 57.

Wednesday Night

Mostly cloudy, with a low around 51.