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

Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

Duncan, Halliburton Field Airport (KDUC)

Lat: 34.47°NLon: 97.96°WElev: 1112ft.

Fair

90°F

32°C

Humidity 22%
Wind Speed SW 10 G 21 mph
Barometer 29.93 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 10 Oct 3:35 pm CDT
Extended Forecast for

Duncan OK

  • This Afternoon

    This Afternoon: Sunny, with a high near 92. South wind around 10 mph.

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 65. South wind around 8 mph.

    Low: 65 °F

    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 93. South southwest wind 7 to 16 mph, with gusts as high as 24 mph.

    High: 93 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 68. South wind 11 to 14 mph, with gusts as high as 21 mph.

    Low: 68 °F

    Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 93. South wind 11 to 16 mph, with gusts as high as 24 mph.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 73.

    Low: 73 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 74.

    Low: 74 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 91. Chance of precipitation is 70%.

    High: 91 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 92. South wind around 10 mph.
Tonight
Clear, with a low around 65. South wind around 8 mph.
Sunday
Mostly sunny, with a high near 93. South southwest wind 7 to 16 mph, with gusts as high as 24 mph.
Sunday Night
Clear, with a low around 68. South wind 11 to 14 mph, with gusts as high as 21 mph.
Columbus Day
Sunny, with a high near 93. South wind 11 to 16 mph, with gusts as high as 24 mph.
Monday Night
Clear, with a low around 73.
Tuesday
Sunny, with a high near 96.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 74.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 91. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Thursday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Duncan OK
 34.52°N 97.96°W
Last Update:
1:27 pm CDT Oct 10, 2026
Forecast Valid:
3pm CDT Oct 10, 2026-6pm CDT Oct 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation