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

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

46°F

8°C

Humidity 79%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 21 Jan 07:10 AM PST
Extended Forecast for

5 Miles SSW Los Altos Hills CA

  • Today

    Today: A 10 percent chance of rain after 4pm.  Cloudy, with a high near 59. Calm wind.

    High: 59 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tonight

    Tonight: A 20 percent chance of rain before 10pm.  Mostly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 59. Calm wind.

    High: 59 °F

    Partly Sunny

  • Thursday Night

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

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 56. Calm wind.

    High: 56 °F

    Mostly Sunny

  • Friday Night

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

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Saturday Night

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

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

Detailed Forecast

Today
A 10 percent chance of rain after 4pm. Cloudy, with a high near 59. Calm wind.
Tonight
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 47. Calm wind.
Thursday
Partly sunny, with a high near 59. Calm wind.
Thursday Night
Partly cloudy, with a low around 47. Light west wind.
Friday
Mostly sunny, with a high near 56. Calm wind.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 58.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Partly sunny, with a high near 59.
Sunday Night
Mostly cloudy, with a low around 47.
Monday
Partly sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Partly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Los Altos Hills CA
 37.29°N 122.17°W (Elev. 1699 ft)
2:13 am PST Jan 21, 2026
7am PST Jan 21, 2026-6pm PST Jan 27, 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