Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

39°F

4°C

Humidity 94%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 28 Dec 05:10 AM PST
Extended Forecast for

Los Altos CA

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 56. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 56 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 37. Northeast wind 3 to 5 mph.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Patchy frost before 7am.  Otherwise, sunny, with a high near 59. North northeast wind 3 to 5 mph.

    High: 59 °F

    Patchy Frost
    then Sunny

  • Monday Night

    Monday Night: Clear, with a low around 39. Light east northeast wind.

    Low: 39 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 61. North northeast wind 3 to 5 mph.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain after 10am.  Mostly cloudy, with a high near 61.

    High: 61 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

  • New Year's Day

    New Year's Day: Rain likely.  Mostly cloudy, with a high near 61.

    High: 61 °F

    Rain Likely

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 56. Calm wind becoming north northwest around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 37. Northeast wind 3 to 5 mph.
Monday
Patchy frost before 7am. Otherwise, sunny, with a high near 59. North northeast wind 3 to 5 mph.
Monday Night
Clear, with a low around 39. Light east northeast wind.
Tuesday
Sunny, with a high near 61. North northeast wind 3 to 5 mph.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
A 20 percent chance of rain after 10am. Mostly cloudy, with a high near 61.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 46.
New Year's Day
Rain likely. Mostly cloudy, with a high near 61.
Thursday Night
Rain likely. Mostly cloudy, with a low around 47.
Friday
A chance of rain. Mostly cloudy, with a high near 59.
Friday Night
A chance of rain. Mostly cloudy, with a low around 46.
Saturday
A chance of rain. Mostly cloudy, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
Los Altos CA
 37.37°N 122.1°W (Elev. 226 ft)
12:27 am PST Dec 28, 2025
6am PST Dec 28, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database