Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Hazardous Weather Conditions

Current conditions at

LOS ALTOS (LOAC1)

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

NA

67°F

19°C

Humidity 50%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 19 Mar 09:10 AM PDT
Extended Forecast for

5 Miles SSW Los Altos Hills CA

Heat Advisory March 19, 09:15am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 19, 09:15am until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Today

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 71. Northeast wind 3 to 6 mph.

    Low: 71 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 88. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 67. West northwest wind around 6 mph.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 76. Northwest wind 6 to 8 mph, with gusts as high as 21 mph.

    High: 76 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 88. Northeast wind 3 to 6 mph.
Tonight
Clear, with a low around 71. Northeast wind 3 to 6 mph.
Friday
Sunny, with a high near 88. Calm wind becoming northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 67. West northwest wind around 6 mph.
Saturday
Partly sunny, with a high near 76. Northwest wind 6 to 8 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 66.
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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)
5:12 am PDT Mar 19, 2026
9am PDT Mar 19, 2026-6pm PDT Mar 25, 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