Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

59°F

15°C

Humidity 55%
Wind Speed ENE 2 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 20 Jan 11:10 AM PST
Extended Forecast for

5 Miles WSW Cupertino CA

  • Today

    Today: Partly sunny, with a high near 62. Calm wind.

    High: 62 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. Light northeast wind.

    Low: 52 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 60. Light and variable wind.

    High: 60 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 49. Light north wind.

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 59. Light and variable wind.

    High: 59 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 62. Calm wind.
Tonight
Mostly cloudy, with a low around 52. Light northeast wind.
Wednesday
Mostly cloudy, with a high near 60. Light and variable wind.
Wednesday Night
Mostly cloudy, with a low around 49. Light north wind.
Thursday
Partly sunny, with a high near 59. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Mostly cloudy, with a low around 48.
Monday
Partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Cupertino CA
 37.29°N 122.14°W (Elev. 1798 ft)
12:26 am PST Jan 20, 2026
11am PST Jan 20, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database