Heavy Rain in the Southern U.S.; Active Weather Continues in Alaska

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains today, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. Another Bering system will impact the Alaskan West Coast and Central Interior through the weekend bringing moderate to heavy snow, high winds, and/or some blizzard conditions. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

60°F

16°C

Humidity	63%
Wind Speed	S 1 MPH
Barometer	NA
Dewpoint	47°F (8°C)
Visibility	NA
Last update	14 Feb 01:10 PM PST

More Information:

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

Extended Forecast for

2 Miles NNW Portola Valley CA

This Afternoon
High: 60 °F
Mostly Cloudy
Tonight
Low: 48 °F
Slight Chance
Rain then
Chance Rain
Sunday
High: 60 °F
Rain and
Breezy
Sunday Night
Low: 46 °F
Rain
Washington's Birthday
High: 54 °F
Rain
Monday Night
Low: 43 °F
Rain
Tuesday
High: 52 °F
Rain and
Breezy
Tuesday Night
Low: 41 °F
Rain
Wednesday
High: 54 °F
Rain

Detailed Forecast

This Afternoon

Mostly cloudy, with a high near 60. South southwest wind around 15 mph, with gusts as high as 20 mph.

Tonight

A 50 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 48. Southeast wind around 9 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.

Sunday

Rain. High near 60. Breezy, with a south southeast wind 14 to 19 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Sunday Night

Rain. Low around 46. Light south southeast wind becoming south 5 to 9 mph in the evening. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Washington's Birthday

Rain. High near 54. East wind 5 to 11 mph becoming west southwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Monday Night

Rain. Low around 43. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Tuesday

Rain. High near 52. Breezy. Chance of precipitation is 100%.

Tuesday Night

Rain. Cloudy, with a low around 41.

Wednesday

Rain. Mostly cloudy, with a high near 54.

Wednesday Night

Rain likely. Mostly cloudy, with a low around 40.

Thursday

A chance of rain. Partly sunny, with a high near 55.