Major Winter Storm in the North-Central U.S.; Severe Weather from the Mid-South to Ohio Valley

A major winter storm will bring a swath of heavy snowfall, strong winds, blizzard conditions and freezing rain to the Northern Plains into the Great Lakes region. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-south to the Ohio Valley and the Southeast. Critical fire weather concerns shift to the southern Rockies and Plains. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

81°F

27°C

Humidity 22%
Wind Speed E 2 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Heat Index79°F (26°C)
Last update 15 Mar 02:10 PM PDT
Extended Forecast for

5 Miles S Los Altos Hills CA

Heat Advisory March 16, 10:00am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • This Afternoon

    This Afternoon: Sunny, with a high near 76. North wind around 7 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. North northeast wind 3 to 6 mph.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82. North northeast wind 3 to 6 mph.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 66. North northwest wind around 5 mph becoming light and variable  in the evening.

    Low: 66 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. Light and variable wind becoming north around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 68.

    Low: 68 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 68.

    Low: 68 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 76. North wind around 7 mph.
Tonight
Mostly clear, with a low around 62. North northeast wind 3 to 6 mph.
Monday
Sunny, with a high near 82. North northeast wind 3 to 6 mph.
Monday Night
Clear, with a low around 66. North northwest wind around 5 mph becoming light and variable in the evening.
Tuesday
Sunny, with a high near 87. Light and variable wind becoming north around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 68.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Clear, with a low around 68.
Thursday
Sunny, with a high near 88.
Thursday Night
Clear, with a low around 68.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 64.
Saturday
Mostly sunny, with a high near 78.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Los Altos Hills CA
 37.29°N 122.14°W (Elev. 1798 ft)
1:25 pm PDT Mar 15, 2026
2pm PDT Mar 15, 2026-6pm PDT Mar 21, 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