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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

83°F

28°C

Humidity 47%
Wind Speed E 3 mph
Barometer 30.02 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 27 Aug 10:55 pm CDT
Extended Forecast for

4 Miles SW Cartwright OK

  • Tonight

    Tonight: Mostly clear, with a low around 75. East wind around 5 mph becoming calm after midnight.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 98. Calm wind becoming north around 5 mph in the afternoon.

    High: 98 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 76. East northeast wind around 5 mph.

    Low: 76 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 99. Heat index values as high as 102. South southeast wind around 5 mph.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 78. Southeast wind 5 to 10 mph.

    Low: 78 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 100. South wind around 10 mph.

    High: 100 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 78. South southeast wind around 10 mph.

    Low: 78 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 99. South wind around 10 mph.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 78. South southeast wind 5 to 10 mph.

    Low: 78 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 75. East wind around 5 mph becoming calm after midnight.
Friday
Sunny, with a high near 98. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Clear, with a low around 76. East northeast wind around 5 mph.
Saturday
Sunny and hot, with a high near 99. Heat index values as high as 102. South southeast wind around 5 mph.
Saturday Night
Mostly clear, with a low around 78. Southeast wind 5 to 10 mph.
Sunday
Sunny and hot, with a high near 100. South wind around 10 mph.
Sunday Night
Clear, with a low around 78. South southeast wind around 10 mph.
Monday
Sunny and hot, with a high near 99. South wind around 10 mph.
Monday Night
Mostly clear, with a low around 78. South southeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 98.
Tuesday Night
Mostly clear, with a low around 78.
Wednesday
Sunny and hot, with a high near 99.
Wednesday Night
Mostly clear, with a low around 79.
Thursday
Sunny and hot, with a high near 100.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Cartwright OK
 33.82°N 96.6°W (Elev. 617 ft)
Last Update:
6:06 pm CDT Aug 27, 2026
Forecast Valid:
11pm CDT Aug 27, 2026-6pm CDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

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