Critical Fire Weather in the High Plains; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central and southern High Plains Wednesday. Two Pacific storms will continue impacting the mountains of the western U.S. into Thursday with gusty winds and heavy snow. Heavy snow and gusty winds will continue to impact the northern Plains into the central Great Lakes Wednesday. Read More >

Hazardous Weather Conditions

Cold Weather Advisory in effect from February 18, 12:00 AM PST until February 18, 09:00 AM PST

Current conditions at

LOS ALTOS (LOAC1)

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

40°F

4°C

Humidity	93%
Wind Speed	W 3 MPH
Barometer	NA
Dewpoint	38°F (3°C)
Visibility	NA
Last update	18 Feb 12:10 AM PST

More Information:

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

Extended Forecast for

5 Miles SSW Los Altos Hills CA

Cold Weather Advisory until February 18, 09:00am

Click here for hazard details and duration

Cold Weather Advisory

Cold Weather Advisory until February 18, 09:00am
NOW until 9:00am Wed
Cold Weather Advisory
Overnight
Low: 37 °F
Rain/Snow
Likely
Wednesday
High: 44 °F
Rain/Snow
then Chance
Rain
Wednesday Night
Low: 41 °F
Chance Rain
then Rain
Thursday
High: 44 °F
Rain then
Rain Likely
Thursday Night
Low: 38 °F
Chance Rain
Friday
High: 48 °F
Mostly Sunny
Friday Night
Low: 40 °F
Slight Chance
Rain
Saturday
High: 52 °F
Chance Rain

Detailed Forecast

Overnight

Rain likely, possibly mixed with snow, mainly before 3am. Some thunder is also possible. Mostly cloudy, with a low around 37. West wind 7 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Wednesday

Rain and snow, becoming all rain after 10am. High near 44. Light and variable wind becoming west northwest 8 to 13 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Wednesday Night

Rain, mainly after midnight. Steady temperature around 41. South southwest wind 5 to 14 mph becoming west northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Thursday

Rain. High near 44. West northwest wind 11 to 16 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

A 40 percent chance of rain. Partly cloudy, with a low around 38. Northwest wind 8 to 13 mph, with gusts as high as 30 mph. New precipitation amounts of less than a tenth of an inch possible.

Friday

Mostly sunny, with a high near 48.

Friday Night

A 20 percent chance of rain after 10pm. Partly cloudy, with a low around 40.

Saturday

A chance of rain, mainly after 10am. Partly sunny, with a high near 52.

Saturday Night

Rain likely, mainly after 10pm. Mostly cloudy, with a low around 48.

Sunday

Rain. Mostly cloudy, with a high near 56.

Sunday Night

Rain. Cloudy, with a low around 54.