Heat Persists in the South Central U.S. and California; Heavy Rain in the Ohio Valley

Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley, as well as in the Southwest and California this week with limited nighttime relief. Heavy rainfall will lead to localized areas of flash flooding in parts of the Ohio Valley/Central Appalachians. Dry and breezy conditions will enhance fire weather concerns across the northern Rockies and High Plains. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

80°F

27°C

Humidity 27%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Heat Index79°F (26°C)
Last update 09 Sep 09:10 PM PDT
Extended Forecast for

4 Miles S Los Altos Hills CA

Heat Advisory September 9, 09:50pm until September 10, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 9, 09:50pm until September 10, 10:00pm

    NOW until 10:00pm Thu

    Heat Advisory

  • Tonight

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. Northwest wind 3 to 5 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. West northwest wind 3 to 5 mph.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78. Light west northwest wind.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 60. West wind 5 to 7 mph.

    Low: 60 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 78. Northwest wind around 5 mph.
Thursday
Sunny, with a high near 86. Northwest wind 3 to 5 mph.
Thursday Night
Mostly clear, with a low around 72. West northwest wind 3 to 5 mph.
Friday
Sunny, with a high near 78. Light west northwest wind.
Friday Night
Clear, with a low around 60. West wind 5 to 7 mph.
Saturday
Sunny, with a high near 66.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 70.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Los Altos Hills CA
 37.31°N 122.15°W (Elev. 2598 ft)
9:07 pm PDT Sep 9, 2026
9pm PDT Sep 9, 2026-6pm PDT Sep 16, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database