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

Extreme Heat Lingers; Severe Thunderstorms for Portions of the Plains and Southeast; Heavy Rainfall Threats

Gusty winds and heavy rainfall may impact the Big Island of Hawaii as a nearby tropical system passes west of the islands. From the Southwest U.S., Rockies and across the Gulf Coast, heavy rainfall could lead to isolated flash flooding. Severe thunderstorms are expected for areas of the Plains, Gulf Coast and Southeast through Tuesday. Extreme heat lingers for the southern Plains and Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Duncan, Halliburton Field Airport (KDUC)

Lat: 34.47°NLon: 97.96°WElev: 1112ft.

Fair

109°F

43°C

Humidity 17%
Wind Speed W 14 mph
Barometer 29.84 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index108°F (42°C)
Last update 24 Aug 4:55 pm CDT
Extended Forecast for

2 Miles W Cornish OK

Heat Advisory August 25, 01:00pm until August 25, 07:00pm
Red Flag Warning until August 24, 09:00pm
Extreme Heat Warning August 24, 05:05pm until August 24, 08:00pm
Click here for hazard details and duration
Heat Advisory
Red Flag Warning
Extreme Heat Warning
  •  
    Red Flag Warning until August 24, 09:00pm
    Extreme Heat Warning August 24, 05:05pm until August 24, 08:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 111 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 80. South wind around 8 mph.

    Low: 80 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 108. South wind 7 to 10 mph becoming west in the afternoon.

    High: 108 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. North northwest wind 5 to 8 mph becoming east southeast after midnight.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 101. North wind 6 to 9 mph.

    High: 101 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 111. Southwest wind around 11 mph.
Tonight
Mostly clear, with a low around 80. South wind around 8 mph.
Tuesday
Mostly sunny and hot, with a high near 108. South wind 7 to 10 mph becoming west in the afternoon.
Tuesday Night
Mostly clear, with a low around 77. North northwest wind 5 to 8 mph becoming east southeast after midnight.
Wednesday
Mostly sunny and hot, with a high near 101. North wind 6 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 73.
Thursday
Mostly sunny and hot, with a high near 99.
Thursday Night
Partly cloudy, with a low around 71.
Friday
Sunny and hot, with a high near 100.
Friday Night
Clear, with a low around 73.
Saturday
Sunny and hot, with a high near 103.
Saturday Night
Clear, with a low around 75.
Sunday
Sunny and hot, with a high near 103.
Sunday Night
Clear, with a low around 76.
Monday
Sunny and hot, with a high near 103.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Cornish OK
 34.17°N 97.63°W
Last Update:
3:32 pm CDT Aug 24, 2026
Forecast Valid:
5pm CDT Aug 24, 2026-6pm CDT Aug 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation