Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East; Severe Storm Threat in the Gulf States Sunday

A significant winter storm is underway, bringing widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Extremely cold air will follow, prolonging dangerous travel and infrastructure impacts into next week. Severe thunderstorms may produce damaging gusts and tornadoes across the eastern Gulf Coast states Sunday morning and afternoon. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

42°F

6°C

Humidity 55%
Wind Speed SW 4 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Wind Chill40°F (4°C)
Last update 25 Jan 03:10 AM PST
Extended Forecast for

5 Miles WSW Cupertino CA

  • Today

    Today: Increasing clouds, with a high near 57. South southeast wind 3 to 6 mph.

    High: 57 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 47. South southeast wind around 7 mph.

    Low: 47 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 60. South southeast wind 3 to 5 mph.

    High: 60 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. Calm wind becoming east southeast around 5 mph after midnight.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59. East southeast wind around 6 mph becoming south in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly after 4am.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly before 10am.  Partly sunny, with a high near 58.

    High: 58 °F

    Chance Rain

  • Wednesday Night

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

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 57. South southeast wind 3 to 6 mph.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 47. South southeast wind around 7 mph.
Monday
Sunny, with a high near 60. South southeast wind 3 to 5 mph.
Monday Night
Mostly clear, with a low around 45. Calm wind becoming east southeast around 5 mph after midnight.
Tuesday
Mostly sunny, with a high near 59. East southeast wind around 6 mph becoming south in the afternoon.
Tuesday Night
A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 48.
Wednesday
A 30 percent chance of rain, mainly before 10am. Partly sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Partly sunny, with a high near 62.
Friday Night
Mostly cloudy, with a low around 49.
Saturday
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)
1:27 am PST Jan 25, 2026
4am PST Jan 25, 2026-6pm PST Jan 31, 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