Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Duncan, Halliburton Field Airport (KDUC)

Lat: 34.47°NLon: 97.96°WElev: 1112ft.

Fair

106°F

41°C

Humidity 18%
Wind Speed SW 9 G 20 mph
Barometer 29.92 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index105°F (41°C)
Last update 19 Aug 2:15 pm CDT
Extended Forecast for

Oscar OK

Heat Advisory August 20, 01:00pm until August 20, 08:00pm
Extreme Heat Warning August 19, 02:34pm until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
Extreme Heat Warning
  •  
    Extreme Heat Warning August 19, 02:34pm until August 19, 08:00pm

    NOW until 8:00pm Wed

    Extreme Heat Warning

  • This Afternoon

    High: 107 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 79. South wind around 7 mph.

    Low: 79 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 107. West southwest wind 5 to 8 mph becoming light and variable  in the afternoon.

    High: 107 °F

    Hot

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am.  Partly cloudy, with a low around 77. East southeast wind 3 to 5 mph.  Chance of precipitation is 10%.

    Low: 77 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: Sunny and hot, with a high near 108. Calm wind becoming southwest around 5 mph.

    High: 108 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 108.

    High: 108 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 107. South southwest wind around 7 mph.
Tonight
Mostly clear, with a low around 79. South wind around 7 mph.
Thursday
Sunny and hot, with a high near 107. West southwest wind 5 to 8 mph becoming light and variable in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 77. East southeast wind 3 to 5 mph. Chance of precipitation is 10%.
Friday
Sunny and hot, with a high near 108. Calm wind becoming southwest around 5 mph.
Friday Night
Mostly clear, with a low around 77.
Saturday
Sunny and hot, with a high near 108.
Saturday Night
Mostly clear, with a low around 76.
Sunday
Sunny and hot, with a high near 108.
Sunday Night
Mostly clear, with a low around 78.
Monday
Sunny and hot, with a high near 108.
Monday Night
Clear, with a low around 79.
Tuesday
Sunny and hot, with a high near 108.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Oscar OK
 33.99°N 97.76°W
1:27 pm CDT Aug 19, 2026
2pm CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database