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.

58°F

14°C

Humidity	78%
Wind Speed	SSW 7 MPH
Barometer	NA
Dewpoint	51°F (11°C)
Visibility	NA
Last update	11 Apr 02:10 PM PDT

More Information:

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

Extended Forecast for

5 Miles S Los Altos Hills CA

This Afternoon
High: 55 °F
Heavy Rain
Tonight
Low: 47 °F
Heavy Rain
Sunday
High: 53 °F
Showers
Sunday Night
Low: 46 °F
Chance
Showers
Monday
High: 59 °F
Mostly Sunny
Monday Night
Low: 49 °F
Mostly Clear
Tuesday
High: 61 °F
Mostly Sunny
Tuesday Night
Low: 47 °F
Mostly Clear
Wednesday
High: 61 °F
Sunny

Detailed Forecast

This Afternoon

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall. High near 55. South wind around 14 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms, mainly before 2am, then showers likely and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall. Low around 47. Southwest wind 10 to 14 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Sunday

Showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and 4pm, then a chance of showers and thunderstorms after 4pm. High near 53. Southwest wind 9 to 11 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. Mostly cloudy, with a low around 46. West southwest wind 3 to 8 mph. Winds could gust as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.

Monday

Mostly sunny, with a high near 59. West northwest wind 3 to 8 mph.

Monday Night

Mostly clear, with a low around 49.

Tuesday

Mostly sunny, with a high near 61.

Tuesday Night

Mostly clear, with a low around 47.

Wednesday

Sunny, with a high near 61.

Wednesday Night

Partly cloudy, with a low around 50.