Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for 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.

55°F

13°C

Humidity	91%
Wind Speed	W 2 MPH
Barometer	NA
Dewpoint	52°F (11°C)
Visibility	NA
Last update	10 Apr 06:10 AM PDT

More Information:

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

Extended Forecast for

4 Miles S Los Altos Hills CA

Today
High: 55 °F⇓
Showers
Tonight
Low: 51 °F
Showers
Likely
Saturday
High: 52 °F⇓
Showers
Saturday Night
Low: 49 °F
Showers
Sunday
High: 52 °F
Showers
Sunday Night
Low: 47 °F
Chance Rain
Monday
High: 55 °F
Mostly Sunny
Monday Night
Low: 48 °F
Mostly Clear
Tuesday
High: 57 °F
Mostly Sunny

Detailed Forecast

Today

Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Temperature falling to around 52 by 5pm. South southwest wind around 10 mph, with gusts as high as 22 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 likely before 11pm, then rain likely, mainly between 11pm and midnight. Mostly cloudy, with a low around 51. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

Rain, mainly before 2pm, then showers and possibly a thunderstorm after 2pm. Temperature falling to around 47 by 5pm. South wind 10 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Saturday Night

Showers and possibly a thunderstorm. Low around 49. South southwest wind 14 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Sunday

Showers and possibly a thunderstorm. High near 52. Southwest wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

A 40 percent chance of rain. Mostly cloudy, with a low around 47. New precipitation amounts of less than a tenth of an inch possible.

Monday

Mostly sunny, with a high near 55.

Monday Night

Mostly clear, with a low around 48.

Tuesday

Mostly sunny, with a high near 57.

Tuesday Night

Mostly clear, with a low around 48.

Wednesday

Mostly sunny, with a high near 60.