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

Severe Weather and Heavy Rainfall in the Ohio Valley; Heat Continuing in the South and Southeast

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians tonight. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Duncan, Halliburton Field Airport (KDUC)

Lat: 34.47°NLon: 97.96°WElev: 1112ft.

Fair

84°F

29°C

Humidity 51%
Wind Speed S 9 mph
Barometer 29.93 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 12 Aug 1:35 am CDT
Extended Forecast for

Duncan/Halliburton Field Airport OK

Heat Advisory August 12, 01:45am until August 14, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 12, 01:45am until August 14, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Overnight

    Low: 77 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 104. Heat index values as high as 109. South wind 10 to 16 mph, with gusts as high as 24 mph.

    High: 104 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 78. South wind 11 to 16 mph, with gusts as high as 24 mph.

    Low: 78 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 106. South wind 14 to 18 mph, with gusts as high as 28 mph.

    High: 106 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 77. South wind 13 to 17 mph, with gusts as high as 26 mph.

    Low: 77 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 105.

    High: 105 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 76.

    Low: 76 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 103.

    High: 103 °F

    Hot

Detailed Forecast

Overnight
Clear, with a low around 77. South wind around 10 mph.
Wednesday
Sunny and hot, with a high near 104. Heat index values as high as 109. South wind 10 to 16 mph, with gusts as high as 24 mph.
Wednesday Night
Clear, with a low around 78. South wind 11 to 16 mph, with gusts as high as 24 mph.
Thursday
Sunny and hot, with a high near 106. South wind 14 to 18 mph, with gusts as high as 28 mph.
Thursday Night
Clear, with a low around 77. South wind 13 to 17 mph, with gusts as high as 26 mph.
Friday
Sunny and hot, with a high near 105.
Friday Night
Clear, with a low around 76.
Saturday
Sunny and hot, with a high near 103.
Saturday Night
Clear, with a low around 76.
Sunday
Sunny and hot, with a high near 104.
Sunday Night
Clear, with a low around 75.
Monday
Sunny and hot, with a high near 105.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny and hot, with a high near 104.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Duncan/Halliburton Field Airport OK
 34.46°N 97.96°W
Last Update:
1:26 am CDT Aug 12, 2026
Forecast Valid:
1am CDT Aug 12, 2026-6pm CDT Aug 18, 2026
 
Forecast Discussion
 
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Additional Resources

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