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Series of storm systems to bring additional heavy rain, flooding, and mountain snow to California

A series of storm systems will bring a continued threat for heavy rainfall, flooding, very heavy mountain snowfall, and strong winds to California into Tuesday. The threat for flooding, mudslides, and dangerous travel is expected to continue. Read More >

Current conditions at

LOS ALTOS (LOAC1)

Lat: 37.354722°NLon: 122.141667°WElev: 539ft.

NA

47°F

8°C

Humidity 81%
Wind Speed S 4 G 8 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 19 Feb 3:10 am PST
Extended Forecast for

3 Miles WSW Cupertino CA

Flood Watch February 19, 04:00pm until February 21, 04:00am
Wind Advisory February 19, 04:00pm until February 21, 05:00am
Click here for hazard details and duration
Flood Watch
Wind Advisory
  • Overnight

    Overnight: A 30 percent chance of rain, mainly after 4am.  Mostly cloudy, with a low around 46. West southwest wind around 10 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Chance Rain

    Low: 46 °F

  • Sunday

    Sunday: Rain likely, mainly after 10am.  Cloudy, with a high near 53. South southeast wind 9 to 14 mph, with gusts as high as 18 mph.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Rain Likely

    High: 53 °F

  • Sunday
    Night

    Sunday Night: Rain. The rain could be heavy at times.  Low around 52. South southeast wind 11 to 20 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New precipitation amounts between 2 and 3 inches possible.

    Heavy Rain

    Low: 52 °F

  • Washington's
    Birthday

    Washington's Birthday: Rain. The rain could be heavy at times.  High near 58. Breezy, with a south wind 14 to 19 mph increasing to 20 to 25 mph in the morning. Winds could gust as high as 33 mph.  Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

    Heavy Rain
    and Breezy

    High: 58 °F

  • Monday
    Night

    Monday Night: Rain, mainly before 4am. The rain could be heavy at times.  Low around 51. Windy, with a south southwest wind 27 to 32 mph decreasing to 15 to 20 mph in the evening. Winds could gust as high as 41 mph.  Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    Heavy Rain
    and Windy

    Low: 51 °F

  • Tuesday

    Tuesday: A chance of rain before 10am, then a chance of showers after 10am.  Mostly cloudy, with a high near 56. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Chance Rain

    High: 56 °F

  • Tuesday
    Night

    Tuesday Night: A 50 percent chance of showers.  Mostly cloudy, with a low around 45.

    Chance
    Showers

    Low: 45 °F

  • Wednesday

    Wednesday: A chance of showers.  Partly sunny, with a high near 51.

    Chance
    Showers

    High: 51 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 41.

    Partly Cloudy

    Low: 41 °F

Detailed Forecast

Overnight
A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 46. West southwest wind around 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain likely, mainly after 10am. Cloudy, with a high near 53. South southeast wind 9 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain. The rain could be heavy at times. Low around 52. South southeast wind 11 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between 2 and 3 inches possible.
Washington's Birthday
Rain. The rain could be heavy at times. High near 58. Breezy, with a south wind 14 to 19 mph increasing to 20 to 25 mph in the morning. Winds could gust as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.
Monday Night
Rain, mainly before 4am. The rain could be heavy at times. Low around 51. Windy, with a south southwest wind 27 to 32 mph decreasing to 15 to 20 mph in the evening. Winds could gust as high as 41 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Tuesday
A chance of rain before 10am, then a chance of showers after 10am. Mostly cloudy, with a high near 56. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 45.
Wednesday
A chance of showers. Partly sunny, with a high near 51.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 40.
Friday
A slight chance of rain. Mostly sunny, with a high near 50.
Friday Night
A chance of rain. Mostly cloudy, with a low around 43.
Saturday
A chance of rain. Partly sunny, with a high near 49.
Click Map For Forecast
Point Forecast:
3 Miles WSW Cupertino CA
 37.3°N 122.09°W (Elev. 797 ft)
1:31 am PST Feb 19, 2017
3am PST Feb 19, 2017-6pm PST Feb 25, 2017
 
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