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

84°F

29°C

Humidity 36%
Wind Speed N 2 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Heat Index83°F (28°C)
Last update 19 Mar 12:10 PM PDT
Extended Forecast for

5 Miles SSW Los Altos Hills CA

Heat Advisory March 19, 12:30pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 19, 12:30pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 72. Northeast wind 3 to 6 mph.

    Low: 72 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 86. Light and variable wind becoming northwest around 6 mph in the afternoon.

    High: 86 °F

    Sunny

  • Friday Night

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

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 75. West northwest wind 6 to 9 mph, with gusts as high as 21 mph.

    High: 75 °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 72.

    High: 72 °F

    Sunny

  • Sunday Night

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

    Low: 52 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 86. North wind around 6 mph.
Tonight
Clear, with a low around 72. Northeast wind 3 to 6 mph.
Friday
Sunny, with a high near 86. Light and variable wind becoming northwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 67. West wind around 6 mph.
Saturday
Partly sunny, with a high near 75. West northwest wind 6 to 9 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Los Altos Hills CA
 37.31°N 122.18°W (Elev. 2119 ft)
5:12 am PDT Mar 19, 2026
12pm PDT Mar 19, 2026-6pm PDT Mar 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database