Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

97°F

36°C

Humidity 30%
Wind Speed E 10 G 20 mph
Barometer 29.94 in
Dewpoint 61°F (16°C)
Visibility 9.00 mi
Heat Index97°F (36°C)
Last update 27 Aug 5:50 pm CDT
Extended Forecast for

5 Miles W Cartwright OK

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 78. Northeast wind 5 to 10 mph becoming east southeast after midnight.

    Low: 78 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 95. Northeast wind around 5 mph becoming calm.

    High: 95 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 78. East northeast wind around 5 mph.

    Low: 78 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 96. Heat index values as high as 99. South southeast wind around 5 mph.

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 80. Southeast wind 5 to 10 mph.

    Low: 80 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 97. South wind around 10 mph.

    High: 97 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 80. South southeast wind around 10 mph.

    Low: 80 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 96. South wind 5 to 10 mph.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 80. South southeast wind around 10 mph.

    Low: 80 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 78. Northeast wind 5 to 10 mph becoming east southeast after midnight.
Friday
Sunny, with a high near 95. Northeast wind around 5 mph becoming calm.
Friday Night
Clear, with a low around 78. East northeast wind around 5 mph.
Saturday
Sunny, with a high near 96. Heat index values as high as 99. South southeast wind around 5 mph.
Saturday Night
Mostly clear, with a low around 80. Southeast wind 5 to 10 mph.
Sunday
Sunny, with a high near 97. South wind around 10 mph.
Sunday Night
Clear, with a low around 80. South southeast wind around 10 mph.
Monday
Sunny, with a high near 96. South wind 5 to 10 mph.
Monday Night
Clear, with a low around 80. South southeast wind around 10 mph.
Tuesday
Sunny, with a high near 96.
Tuesday Night
Mostly clear, with a low around 80.
Wednesday
Sunny, with a high near 96.
Wednesday Night
Clear, with a low around 80.
Thursday
Sunny, with a high near 97.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Cartwright OK
 33.87°N 96.66°W (Elev. 617 ft)
5:16 pm CDT Aug 27, 2026
6pm CDT Aug 27, 2026-6pm CDT Sep 3, 2026
 
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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