Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

43°F

6°C

Humidity 100%
Wind Speed SW 1 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 09 Dec 04:10 AM PST
Extended Forecast for

5 Miles SSW Los Altos Hills CA

  • Today

    Today: Sunny, with a high near 63. North northeast wind around 5 mph.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 53. North northeast wind 3 to 5 mph.

    Low: 53 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65. North northeast wind around 6 mph.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 52. North northeast wind 3 to 5 mph.

    Low: 52 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 66. North wind 3 to 5 mph.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 51.

    Low: 51 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 63. North northeast wind around 5 mph.
Tonight
Clear, with a low around 53. North northeast wind 3 to 5 mph.
Wednesday
Sunny, with a high near 65. North northeast wind around 6 mph.
Wednesday Night
Clear, with a low around 52. North northeast wind 3 to 5 mph.
Thursday
Sunny, with a high near 66. North wind 3 to 5 mph.
Thursday Night
Clear, with a low around 51.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 49.
Monday
A slight chance of rain. Mostly sunny, with a high near 61.
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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)
2:42 am PST Dec 9, 2025
4am PST Dec 9, 2025-6pm PST Dec 15, 2025
 
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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