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
77°F
25°C
| Humidity | 63% |
| Wind Speed | E 6 mph |
| Barometer | 30.05 in |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 28 Aug 5:15 am CDT |
Extended Forecast for
2 Miles S Willis OK
Today
High: 98 °F
Sunny
Tonight
Low: 75 °F
Clear
Saturday
High: 98 °F
Sunny
Saturday Night
Low: 77 °F
Mostly Clear
Sunday
High: 99 °F
Hot
Sunday Night
Low: 78 °F
Clear
Monday
High: 98 °F
Sunny
Monday Night
Low: 78 °F
Clear
Tuesday
High: 97 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 98. Calm wind becoming east around 5 mph in the afternoon.
Tonight
Clear, with a low around 75. East wind around 5 mph.
Saturday
Sunny, with a high near 98. 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 99. South wind 5 to 10 mph.
Sunday Night
Clear, with a low around 78. South southeast wind around 10 mph.
Monday
Sunny, with a high near 98. South wind 5 to 10 mph.
Monday Night
Clear, with a low around 78. South southeast wind around 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.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles S Willis OK
33.86°N 96.82°W (Elev. 633 ft)
33.86°N 96.82°W (Elev. 633 ft)
1:26 am CDT Aug 28, 2026
5am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
Additional Resources
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