Tracking Areas of Fire Weather, Winter Weather, and Severe Weather Thursday

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. 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.

44°F

7°C

Humidity	100%
Wind Speed	ENE 3 MPH
Barometer	NA
Dewpoint	44°F (7°C)
Visibility	NA
Last update	19 Feb 01:10 AM PST

More Information:

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

Extended Forecast for

5 Miles WSW Cupertino CA

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

Click here for hazard details and duration

Cold Weather Advisory

Overnight
Low: 42 °F
Showers
Thursday
High: 44 °F
Showers then
Chance Rain
Thursday Night
Low: 37 °F
Partly Cloudy
Friday
High: 47 °F
Partly Sunny
Friday Night
Low: 40 °F
Partly Cloudy
Saturday
High: 52 °F
Mostly Sunny
Saturday Night
Low: 47 °F
Chance Rain
Sunday
High: 58 °F
Chance Rain
Sunday Night
Low: 52 °F
Chance Rain

Detailed Forecast

Overnight

Showers and possibly a thunderstorm. Steady temperature around 42. South wind 11 to 14 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

Rain and possibly a thunderstorm before 1pm, then a slight chance of rain between 1pm and 3pm. High near 44. West northwest wind around 18 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

Partly cloudy, with a low around 37. Northwest wind 7 to 14 mph, with gusts as high as 33 mph.

Friday

Partly sunny, with a high near 47. West northwest wind 3 to 5 mph.

Friday Night

Partly cloudy, with a low around 40. Calm wind becoming southeast 5 to 7 mph in the evening.

Saturday

Mostly sunny, with a high near 52.

Saturday Night

A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 47.

Sunday

A chance of rain. Partly sunny, with a high near 58.