Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

Jolon Hills (PG727)

Lat: 35.88446°NLon: 120.95584°WElev: 1495.0ft.

NA

78°F

26°C

Humidity 28%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Heat Index78°F (26°C)
Last update 09 Sep 01:10 AM PDT
Extended Forecast for

Lake San Antonio CA

Heat Advisory September 9, 01:23am until September 10, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 9, 01:23am until September 10, 10:00pm

    NOW until 10:00pm Thu

    Heat Advisory

  • Overnight

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 104. Northeast wind around 5 mph becoming calm  in the afternoon.

    High: 104 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67. Light west northwest wind.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 104. Calm wind becoming northwest 5 to 8 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 104 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. Northwest wind 5 to 9 mph becoming calm  after midnight. Winds could gust as high as 21 mph.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Friday Night

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

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 64. Calm wind.
Wednesday
Sunny and hot, with a high near 104. Northeast wind around 5 mph becoming calm in the afternoon.
Wednesday Night
Mostly clear, with a low around 67. Light west northwest wind.
Thursday
Sunny and hot, with a high near 104. Calm wind becoming northwest 5 to 8 mph in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
Mostly clear, with a low around 62. Northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 21 mph.
Friday
Sunny and hot, with a high near 98.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 88.
Monday Night
Clear, with a low around 52.
Tuesday
Sunny, with a high near 84.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Lake San Antonio CA
 35.86°N 120.99°W (Elev. 988 ft)
1:16 am PDT Sep 9, 2026
1am PDT Sep 9, 2026-6pm PDT Sep 15, 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