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

82°F

28°C

Humidity 62%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 28 Aug 8:50 am CDT
Extended Forecast for

2 Miles SSW Cartwright OK

  • Today

    Today: Sunny and hot, with a high near 99. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 99 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 74. East southeast wind around 5 mph.

    Low: 74 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 100. Southeast wind around 5 mph.

    High: 100 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. Southeast wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 100. South wind 5 to 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 100. South wind around 10 mph.

    High: 100 °F

    Hot

  • Monday Night

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

    Low: 78 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 97. South wind 5 to 10 mph.

    High: 97 °F

    Sunny

Detailed Forecast

Today
Sunny and hot, with a high near 99. Calm wind becoming northeast around 5 mph in the afternoon.
Tonight
Clear, with a low around 74. East southeast wind around 5 mph.
Saturday
Sunny and hot, with a high near 100. Southeast wind around 5 mph.
Saturday Night
Mostly clear, with a low around 77. Southeast wind 5 to 10 mph.
Sunday
Sunny and hot, with a high near 100. South wind 5 to 10 mph.
Sunday Night
Clear, with a low around 78. South southeast wind around 10 mph.
Monday
Sunny and hot, with a high near 100. South wind around 10 mph.
Monday Night
Clear, with a low around 78. South southeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 97. South wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 78.
Wednesday
Sunny, with a high near 98.
Wednesday Night
Mostly clear, with a low around 79.
Thursday
Sunny and hot, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Cartwright OK
 33.82°N 96.58°W (Elev. 617 ft)
Last Update:
6:06 am CDT Aug 28, 2026
Forecast Valid:
9am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

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