Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring critical fire weather to the southern High Plains Friday. A winter storm will track across the Great Lakes and Northeast U.S. Friday into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Hazardous Weather Conditions

Cold Weather Advisory in effect from February 20, 01:00 AM PST until February 20, 09:00 AM PST

Current conditions at

LOS ALTOS (LOAC1)

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

46°F

8°C

Humidity	72%
Wind Speed	WNW 5 MPH
Barometer	NA
Dewpoint	37°F (3°C)
Visibility	NA
Wind Chill	44°F (7°C)
Last update	19 Feb 06:10 PM PST

More Information:

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

Extended Forecast for

2 Miles S Cupertino CA

Cold Weather Advisory February 20, 01:00am until February 20, 09:00am

Click here for hazard details and duration

Cold Weather Advisory

Tonight
Low: 36 °F
Mostly Clear
then Patchy
Frost
Friday
High: 51 °F
Partly Sunny
Friday Night
Low: 38 °F
Partly Cloudy
Saturday
High: 56 °F
Mostly Sunny
Saturday Night
Low: 45 °F
Chance Rain
Sunday
High: 62 °F
Chance Rain
Sunday Night
Low: 48 °F
Chance Rain
Monday
High: 65 °F
Chance Rain
Monday Night
Low: 52 °F
Rain

Detailed Forecast

Tonight

Patchy frost after 2am. Otherwise, partly cloudy, with a low around 36. Northwest wind 10 to 15 mph becoming light west northwest after midnight. Winds could gust as high as 30 mph.

Friday

Partly sunny, with a high near 51. Light and variable wind.

Friday Night

Partly cloudy, with a low around 38. Light and variable wind.

Saturday

Mostly sunny, with a high near 56. South wind 7 to 13 mph, with gusts as high as 25 mph.

Saturday Night

A 30 percent chance of rain, mainly after 4am. Partly cloudy, with a low around 45. South southeast wind 11 to 13 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.

Sunday

A 30 percent chance of rain, mainly before 10am. Partly sunny, with a high near 62. New precipitation amounts of less than a tenth of an inch possible.

Sunday Night

A 30 percent chance of rain. Mostly cloudy, with a low around 48.

Monday

A chance of rain. Mostly cloudy, with a high near 65.

Monday Night

Rain, mainly after 10pm. Mostly cloudy, with a low around 52.

Tuesday

Rain. Cloudy, with a high near 61.

Tuesday Night

Rain. Cloudy, with a low around 51.

Wednesday

Rain likely. Mostly cloudy, with a high near 63.