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.

51°F

11°C

Humidity	77%
Wind Speed	WSW 5 MPH
Barometer	NA
Dewpoint	44°F (7°C)
Visibility	NA
Last update	11 Apr 08:10 PM PDT

More Information:

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

Extended Forecast for

2 Miles SE Los Altos CA

Tonight
Low: 48 °F
Showers
Likely
Sunday
High: 62 °F
Showers
Likely
Sunday Night
Low: 46 °F
Slight Chance
Showers
Monday
High: 66 °F
Mostly Sunny
Monday Night
Low: 47 °F
Mostly Clear
Tuesday
High: 67 °F
Mostly Sunny
Tuesday Night
Low: 45 °F
Mostly Clear
Wednesday
High: 68 °F
Sunny
Wednesday Night
Low: 48 °F
Partly Cloudy

Detailed Forecast

Tonight

Showers and thunderstorms likely, mainly before 3am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 48. Southwest wind 9 to 13 mph becoming south southeast in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Sunday

A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 62. Southwest wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A 20 percent chance of showers. Partly cloudy, with a low around 46. West southwest wind 5 to 9 mph becoming calm in the evening.

Monday

Mostly sunny, with a high near 66. Calm wind becoming northwest 5 to 8 mph in the afternoon.

Monday Night

Mostly clear, with a low around 47. West northwest wind 5 to 10 mph becoming light west after midnight.

Tuesday

Mostly sunny, with a high near 67.

Tuesday Night

Mostly clear, with a low around 45.

Wednesday

Sunny, with a high near 68.