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
89°F
32°C
| Humidity | 36% |
| Wind Speed | SE 6 mph |
| Barometer | 29.99 in |
| Dewpoint | 58°F (14°C) |
| Visibility | 10.00 mi |
| Heat Index | 88°F (31°C) |
| Last update | 27 Aug 9:35 pm CDT |
Extended Forecast for
4 Miles WNW Cartwright OK
Tonight
Low: 77 °F
Mostly Clear
Friday
High: 95 °F
Sunny
Friday Night
Low: 78 °F
Clear
Saturday
High: 96 °F
Sunny
Saturday Night
Low: 80 °F
Mostly Clear
Sunday
High: 97 °F
Sunny
Sunday Night
Low: 80 °F
Clear
Monday
High: 96 °F
Sunny
Monday Night
Low: 80 °F
Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 77. East northeast wind 5 to 10 mph.
Friday
Sunny, with a high near 95. Northeast wind around 5 mph becoming calm.
Friday Night
Clear, with a low around 78. East southeast wind around 5 mph.
Saturday
Sunny, with a high near 96. 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 5 to 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
Mostly clear, with a low around 80.
Thursday
Sunny, with a high near 97.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles WNW Cartwright OK
33.87°N 96.63°W (Elev. 617 ft)
33.87°N 96.63°W (Elev. 617 ft)
6:06 pm CDT Aug 27, 2026
9pm CDT Aug 27, 2026-6pm CDT Sep 3, 2026
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