Storm System to Move Across the Ohio Valley to the Mid-Atlantic and Northeast

Isolated severe thunderstorms will be possible on Veterans Day across parts of the lower Ohio and western Tennessee Valleys. A developing storm will bring rain and gusty winds to the Mid-Atlantic and Northeast on Thursday, with the first accumulating snow likely in the higher elevations of the central Appalachians and interior Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

LOS ALTOS (LOAC1)

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

51°F

11°C

Humidity	90%
Wind Speed	WSW 1 MPH
Barometer	NA
Dewpoint	48°F (9°C)
Visibility	NA
Last update	11 Nov 06:10 AM PST

More Information:

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

Extended Forecast for

Portola Valley CA

Coastal Flood Advisory November 11, 06:25am until November 13, 04:00pm

Dense Fog Advisory until November 11, 09:00am

Click here for hazard details and duration

Coastal Flood Advisory

...

Coastal Flood Advisory November 11, 06:25am until November 13, 04:00pm
Dense Fog Advisory until November 11, 09:00am
NOW: Multiple hazards in effect
Click HERE for Details
Veterans Day
High: 77 °F
Sunny
Tonight
Low: 53 °F
Mostly Clear
Thursday
High: 73 °F
Partly Sunny
Thursday Night
Low: 56 °F
Slight Chance
Rain then
Rain Likely
Friday
High: 62 °F
Rain and
Breezy
Friday Night
Low: 50 °F
Rain
Saturday
High: 61 °F
Chance Rain
Saturday Night
Low: 48 °F
Mostly Cloudy

Detailed Forecast

Veterans Day

Sunny, with a high near 77. Calm wind.

Tonight

Mostly clear, with a low around 53. Calm wind.

Thursday

Partly sunny, with a high near 73. South wind 5 to 9 mph, with gusts as high as 24 mph.

Thursday Night

Rain likely, mainly after 4am. Mostly cloudy, with a low around 56. South wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

Friday

Rain. High near 62. Breezy, with a south wind 14 to 22 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Friday Night

Rain. Low around 50. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday

A 50 percent chance of rain. Partly sunny, with a high near 61.

Saturday Night

Mostly cloudy, with a low around 48.

Sunday

Rain likely, mainly after 4pm. Mostly cloudy, with a high near 61.

Sunday Night

Rain. Mostly cloudy, with a low around 48.

Monday

Rain likely. Mostly cloudy, with a high near 57.