Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

47°F

8°C

Humidity	93%
Wind Speed	WNW 2 MPH
Barometer	NA
Dewpoint	45°F (7°C)
Visibility	NA
Last update	26 Dec 11:10 PM PST

More Information:

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

Extended Forecast for

5 Miles WSW Cupertino CA

Tonight
Low: 46 °F
Chance
Showers
Saturday
High: 49 °F
Slight Chance
Showers then
Mostly Sunny
Saturday Night
Low: 40 °F
Mostly Clear
Sunday
High: 51 °F
Becoming
Sunny
Sunday Night
Low: 39 °F
Clear
Monday
High: 55 °F
Sunny
Monday Night
Low: 41 °F
Clear
Tuesday
High: 58 °F
Sunny
Tuesday Night
Low: 44 °F
Mostly Clear

Detailed Forecast

Tonight

A 40 percent chance of showers, mainly before 4am. Mostly cloudy, with a steady temperature around 46. West northwest wind around 7 mph. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A 20 percent chance of showers before 10am. Mostly sunny, with a high near 49. North wind around 7 mph.

Saturday Night

Mostly clear, with a low around 40. North northeast wind around 6 mph.

Sunday

Partly sunny, then gradually becoming sunny, with a high near 51. North northeast wind around 6 mph.

Sunday Night

Clear, with a low around 39. Northeast wind 5 to 7 mph.

Monday

Sunny, with a high near 55.

Monday Night

Clear, with a low around 41.