Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Hazardous Weather Conditions

Coastal Flood Advisory in effect from December 31, 05:00 AM PST until January 4, 02:00 PM PST

Current conditions at

LOS ALTOS (LOAC1)

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

40°F

4°C

Humidity	76%
Wind Speed	WSW 3 MPH
Barometer	NA
Dewpoint	33°F (1°C)
Visibility	NA
Last update	30 Dec 05:10 AM PST

More Information:

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

Extended Forecast for

Los Altos CA

Coastal Flood Advisory December 31, 05:00am until January 4, 02:00pm

Click here for hazard details and duration

Coastal Flood Advisory

Today
High: 60 °F
Mostly Cloudy
Tonight
Low: 47 °F
Mostly Cloudy
then Chance
Rain
Wednesday
High: 57 °F
Rain Likely
Wednesday Night
Low: 50 °F
Rain and
Patchy Fog
New Year's Day
High: 62 °F
Rain and
Areas Fog
Thursday Night
Low: 54 °F
Rain Likely
and Patchy
Fog
Friday
High: 61 °F
Rain Likely
Friday Night
Low: 49 °F
Rain and
Patchy Fog
Saturday
High: 58 °F
Rain Likely
and Patchy
Fog

Detailed Forecast

Today

Mostly cloudy, with a high near 60. West northwest wind around 5 mph becoming light and variable.

Tonight

A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 47. Light west northwest wind.

Wednesday

Rain likely, mainly after 10am. Cloudy, with a high near 57. Calm wind becoming northeast around 5 mph in the morning. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

Rain. Patchy fog. Low around 50. East wind 3 to 5 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

New Year's Day

Rain. Areas of fog before 1pm. High near 62. South wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Night

Rain likely. Patchy fog before 10pm. Otherwise, mostly cloudy, with a low around 54. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday

Rain likely. Cloudy, with a high near 61. Chance of precipitation is 70%.

Friday Night

Rain. Patchy fog after 5am. Otherwise, cloudy, with a low around 49.

Saturday

Rain likely. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 58.

Saturday Night

Rain likely, mainly before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 45.

Sunday

A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 59.

Sunday Night

A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 45.