Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >

Current conditions at

Duncan, Halliburton Field Airport (KDUC)

Lat: 34.47°NLon: 97.96°WElev: 1112ft.

102°F

39°C

Humidity 24%
Wind Speed NA
Barometer NA
Dewpoint 59°F (15°C)
Visibility NA
Heat Index102°F (39°C)
Last update 4 Aug 2:35 pm CDT
Extended Forecast for

4 Miles ENE Duncan/Halliburton Field Airport OK

  • Tonight

    Tonight: Mostly clear, with a low around 75. South southeast wind 8 to 10 mph.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 102. Heat index values as high as 105. Southwest wind 7 to 11 mph.

    High: 102 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. South wind 8 to 11 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 102. Heat index values as high as 106. South southwest wind 7 to 10 mph.

    High: 102 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. South southeast wind 8 to 11 mph.

    Low: 75 °F

    Mostly Clear

  • Friday

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

    High: 101 °F

    Hot

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly clear, with a low around 73.

    Low: 73 °F

    Slight Chance
    T-storms

  • Saturday

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

    High: 101 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 74.

    Low: 74 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 75. South southeast wind 8 to 10 mph.
Wednesday
Sunny and hot, with a high near 102. Heat index values as high as 105. Southwest wind 7 to 11 mph.
Wednesday Night
Mostly clear, with a low around 76. South wind 8 to 11 mph.
Thursday
Sunny and hot, with a high near 102. Heat index values as high as 106. South southwest wind 7 to 10 mph.
Thursday Night
Mostly clear, with a low around 75. South southeast wind 8 to 11 mph.
Friday
Sunny and hot, with a high near 101.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 73.
Saturday
Sunny and hot, with a high near 101.
Saturday Night
Clear, with a low around 74.
Sunday
Sunny and hot, with a high near 100.
Sunday Night
Clear, with a low around 75.
Monday
Sunny and hot, with a high near 100.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny and hot, with a high near 100.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Duncan/Halliburton Field Airport OK
 34.5°N 97.91°W
1:27 pm CDT Aug 4, 2026
4pm CDT Aug 4, 2026-6pm CDT Aug 11, 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