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

Widespread Rain from Texas to the Central Appalachians; Heavy to Excessive Rainfall in Southern California and the Southwest

Scattered thunderstorms and widespread showers are expected from the Texas coast to the central Appalachians today. Heavy to excessive rainfall will continue in southern California into the Desert Southwest through Saturday. Heavy rain will pose a risk of flash flooding, especially across burn scar and urbanized regions. Read More >

Current conditions at

Duncan, Halliburton Field Airport (KDUC)

Lat: 34.47°NLon: 97.96°WElev: 1112ft.

Fair

54°F

12°C

Humidity 77%
Wind Speed NW 6 mph
Barometer 30.03 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 21 Nov 7:35 pm CST
Extended Forecast for

Duncan OK

  • Tonight

    Tonight: Mostly clear, with a low around 43. North northwest wind around 7 mph.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 64. North wind 5 to 7 mph.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 42. Light east wind.

    Low: 42 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after noon. Increasing clouds, with a high near 63. Calm wind becoming southeast 5 to 8 mph in the morning. Chance of precipitation is 60%.

    High: 63 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before midnight, then showers likely. Low around 52. South southeast wind around 8 mph. Chance of precipitation is 90%.

    Low: 52 °F

    Showers then
    Showers
    Likely

  • Monday

    Monday: A 40 percent chance of showers before noon. Partly sunny, with a high near 70.

    High: 70 °F

    Chance
    Showers then
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 43. North northwest wind around 7 mph.
Saturday
Mostly sunny, with a high near 64. North wind 5 to 7 mph.
Saturday Night
Partly cloudy, with a low around 42. Light east wind.
Sunday
Showers likely, mainly after noon. Increasing clouds, with a high near 63. Calm wind becoming southeast 5 to 8 mph in the morning. Chance of precipitation is 60%.
Sunday Night
Showers and possibly a thunderstorm before midnight, then showers likely. Low around 52. South southeast wind around 8 mph. Chance of precipitation is 90%.
Monday
A 40 percent chance of showers before noon. Partly sunny, with a high near 70.
Monday Night
Clear, with a low around 45.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 36.
Wednesday
Sunny, with a high near 56.
Wednesday Night
Mostly clear, with a low around 34.
Thanksgiving Day
Sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Duncan OK
 34.5°N 97.96°W
Last Update:
11:32 am CST Nov 21, 2025
Forecast Valid:
8pm CST Nov 21, 2025-6pm CST Nov 28, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation