Major Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold in the North-Central U.S.

A large, long-duration winter storm is expected to bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies/Plains into the Mid-South beginning Friday, spreading eastward to the Mid-Atlantic and New England this weekend. An Arctic front will bring frigid temperatures and gusty winds that will lead to dangerous wind chills from the Northern Plains and Upper Midwest. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

49°F

9°C

Humidity 81%
Wind Speed W 2 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 22 Jan 05:10 AM PST
Extended Forecast for

5 Miles WSW Cupertino CA

  • Today

    Today: Mostly sunny, with a high near 62. Light north wind.

    High: 62 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 45. Light and variable wind.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57. Light and variable wind.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45. North northeast wind 3 to 5 mph.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 56. North northeast wind around 6 mph.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 62. Light north wind.
Tonight
Mostly clear, with a low around 45. Light and variable wind.
Friday
Sunny, with a high near 57. Light and variable wind.
Friday Night
Mostly clear, with a low around 45. North northeast wind 3 to 5 mph.
Saturday
Sunny, with a high near 56. North northeast wind around 6 mph.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Partly sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Partly sunny, with a high near 58.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 50.
Wednesday
A chance of rain. Mostly cloudy, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Cupertino CA
 37.29°N 122.14°W (Elev. 1798 ft)
3:11 am PST Jan 22, 2026
5am PST Jan 22, 2026-6pm PST Jan 28, 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