National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 >

Hazardous Weather Conditions

Current conditions at

Livermore, Livermore Municipal Airport (KLVK)

Lat: 37.69278°NLon: 121.81444°WElev: 397.0ft.

Clear

74°F

23°C

Humidity 37%
Wind Speed N 0 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 10 Sep 02:53 AM PDT
Extended Forecast for

2 Miles SE Pleasanton CA

Heat Advisory September 10, 03:11am until September 10, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 10, 03:11am until September 10, 10:00pm

    NOW until 10:00pm Thu

    Heat Advisory

  • Overnight

    Low: 77 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 95. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. Light south southwest wind.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85. West southwest wind 3 to 7 mph. Winds could gust as high as 18 mph.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 56. Southwest wind 5 to 7 mph, with gusts as high as 18 mph.

    Low: 56 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, sunny, with a high near 80.

    High: 80 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 77. Calm wind.
Thursday
Sunny, with a high near 95. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Mostly clear, with a low around 60. Light south southwest wind.
Friday
Sunny, with a high near 85. West southwest wind 3 to 7 mph. Winds could gust as high as 18 mph.
Friday Night
Clear, with a low around 56. Southwest wind 5 to 7 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 75.
Saturday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 53.
Sunday
Patchy fog before 7am. Otherwise, sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Pleasanton CA
 37.66°N 121.86°W (Elev. 440 ft)
Last Update:
2:51 am PDT Sep 10, 2026
Forecast Valid:
3am PDT Sep 10, 2026-6pm PDT Sep 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation