Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Duncan, Halliburton Field Airport (KDUC)

Lat: 34.47°NLon: 97.96°WElev: 1112ft.

Partly Cloudy

95°F

35°C

Humidity 34%
Wind Speed SE 15 mph
Barometer 30.00 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 27 Aug 4:55 pm CDT
Extended Forecast for

Duncan OK

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Partly sunny and hot, with a high near 98. Northeast wind around 7 mph.

    High: 98 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 72. East wind 3 to 7 mph.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 100. East wind 3 to 6 mph.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 73. East southeast wind around 7 mph.

    Low: 73 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 103. South southeast wind 6 to 10 mph.

    High: 103 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 76.

    Low: 76 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 104.

    High: 104 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 76.

    Low: 76 °F

    Clear

  • Monday

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

    High: 103 °F

    Hot

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny and hot, with a high near 98. Northeast wind around 7 mph.
Tonight
Mostly clear, with a low around 72. East wind 3 to 7 mph.
Friday
Sunny and hot, with a high near 100. East wind 3 to 6 mph.
Friday Night
Clear, with a low around 73. East southeast wind around 7 mph.
Saturday
Sunny and hot, with a high near 103. South southeast wind 6 to 10 mph.
Saturday Night
Clear, with a low around 76.
Sunday
Sunny and hot, with a high near 104.
Sunday Night
Clear, with a low around 76.
Monday
Sunny and hot, with a high near 103.
Monday Night
Clear, with a low around 75.
Tuesday
Sunny and hot, with a high near 102.
Tuesday Night
Clear, with a low around 75.
Wednesday
Sunny and hot, with a high near 103.
Wednesday Night
Clear, with a low around 76.
Thursday
Sunny and hot, with a high near 103.
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ABOUT THIS FORECAST

 
Point Forecast:
Duncan OK
 34.52°N 97.96°W
1:26 pm CDT Aug 27, 2026
5pm CDT Aug 27, 2026-6pm CDT Sep 3, 2026
 
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Additional Resources

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