National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Hazardous Weather Conditions

Current conditions at

LOS ALTOS (LOAC1)

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

NA

58°F

14°C

Humidity 74%
Wind Speed SSW 8 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 03 Jan 03:10 AM PST
Extended Forecast for

Los Altos CA

Coastal Flood Advisory January 3, 02:00pm until January 4, 02:00pm
Coastal Flood Warning January 3, 03:31am until January 3, 02:00pm
Click here for hazard details and duration
Coastal Flood Advisory
Coastal Flood Warning
  •  
    Coastal Flood Warning January 3, 03:31am until January 3, 02:00pm

    NOW until 2:00pm Sat

    Coastal Flood Warning

  • Overnight

    Low: 53 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 61. South wind 13 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Showers

  • Saturday Night

    Saturday Night: Showers. Low around 51. South southeast wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 56. South southwest wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 56 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely. Mostly cloudy, with a low around 47. South southeast wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Showers
    Likely

  • Monday

    Monday: Showers. High near 56. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 56 °F

    Showers

  • Monday Night

    Monday Night: Showers likely, mainly before 10pm. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.

    Low: 45 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers before 10am. Partly sunny, with a high near 57.

    High: 57 °F

    Slight Chance
    Showers then
    Mostly Sunny

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Low around 53. South wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and possibly a thunderstorm. High near 61. South wind 13 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers. Low around 51. South southeast wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers and possibly a thunderstorm. High near 56. South southwest wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers likely. Mostly cloudy, with a low around 47. South southeast wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers. High near 56. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Tuesday
A slight chance of showers before 10am. Partly sunny, with a high near 57.
Tuesday Night
A chance of showers after 4am. Mostly cloudy, with a low around 44.
Wednesday
A chance of showers, mainly before 10am. Partly sunny, with a high near 56.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 39.
Thursday
Sunny, with a high near 55.
Thursday Night
Mostly clear, with a low around 37.
Friday
Sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Los Altos CA
 37.37°N 122.1°W (Elev. 226 ft)
Last Update:
1:23 am PST Jan 3, 2026
Forecast Valid:
3am PST Jan 3, 2026-6pm PST Jan 9, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation