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

Duncan, Halliburton Field Airport (KDUC)

Lat: 34.47°NLon: 97.96°WElev: 1112ft.

Fair

93°F

34°C

Humidity 39%
Wind Speed SE 12 G 20 mph
Barometer 30.00 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 8 Sep 8:35 pm CDT
Extended Forecast for

Duncan/Halliburton Field Airport OK

Heat Advisory September 9, 12:00pm until September 9, 07:00pm
Click here for hazard details and duration
Heat Advisory
  • Tonight

    Tonight: Clear, with a low around 77. South wind around 10 mph.

    Low: 77 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 102. Heat index values as high as 106. South wind 8 to 10 mph.

    High: 102 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. South wind 7 to 10 mph.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  Increasing clouds, with a high near 95. Heat index values as high as 99. South wind around 6 mph becoming east in the afternoon.  Chance of precipitation is 70%.

    High: 95 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of thunderstorms before 7pm.  Partly cloudy, with a low around 71. East southeast wind 5 to 7 mph.  Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 75.

    Low: 75 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 77. South wind around 10 mph.
Wednesday
Sunny and hot, with a high near 102. Heat index values as high as 106. South wind 8 to 10 mph.
Wednesday Night
Mostly clear, with a low around 75. South wind 7 to 10 mph.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Increasing clouds, with a high near 95. Heat index values as high as 99. South wind around 6 mph becoming east in the afternoon. Chance of precipitation is 70%.
Thursday Night
A chance of thunderstorms before 7pm. Partly cloudy, with a low around 71. East southeast wind 5 to 7 mph. Chance of precipitation is 30%.
Friday
Sunny and hot, with a high near 99.
Friday Night
Clear, with a low around 75.
Saturday
Sunny and hot, with a high near 101.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny and hot, with a high near 99.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny and hot, with a high near 97.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 72.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
Duncan/Halliburton Field Airport OK
 34.48°N 97.96°W
7:42 pm CDT Sep 8, 2026
9pm CDT Sep 8, 2026-6pm CDT Sep 15, 2026
 
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