Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Hazardous Weather Conditions

Current conditions at

LOS ALTOS (LOAC1)

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

60°F

16°C

Humidity	66%
Wind Speed	ESE 4 MPH
Barometer	NA
Dewpoint	49°F (9°C)
Visibility	NA
Last update	02 Jan 12:10 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

Coastal Flood Advisory January 3, 02:00pm until January 4, 02:00pm

Coastal Flood Warning January 2, 12:22pm until January 3, 02:00pm

Click here for hazard details and duration

Coastal Flood Advisory

Coastal Flood Warning

Coastal Flood Warning January 2, 12:22pm until January 3, 02:00pm
NOW until 2:00pm Sat
Coastal Flood Warning
This Afternoon
High: 61 °F
Rain
Tonight
Low: 55 °F
Showers
Saturday
High: 60 °F
Rain and
Breezy
Saturday Night
Low: 50 °F
Showers
Sunday
High: 57 °F
Rain
Sunday Night
Low: 46 °F
Rain Likely
Monday
High: 57 °F
Rain
Monday Night
Low: 46 °F
Rain Likely

Detailed Forecast

This Afternoon

Rain, mainly after 4pm. High near 61. South southeast wind around 17 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Tonight

Rain before 10pm, then showers and possibly a thunderstorm after 10pm. Steady temperature around 55. South wind 14 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Saturday

Rain. High near 60. Breezy, with a south southwest wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday Night

Rain likely before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then rain after 1am. Low around 50. South wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Sunday

Rain. High near 57. West southwest wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Sunday Night

Rain likely. Mostly cloudy, with a low around 46. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Monday

Rain. High near 57. Chance of precipitation is 80%.

Monday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 46.

Tuesday

A slight chance of rain before 10am. Partly sunny, with a high near 59.

Tuesday Night

Mostly cloudy, with a low around 44.

Wednesday

A chance of rain. Mostly cloudy, with a high near 57.