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.
A Few Clouds
79°F
26°C
| Humidity | 56% |
| Wind Speed | E 5 mph |
| Barometer | 30.05 in |
| Dewpoint | 62°F (17°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 28 Aug 1:15 am CDT |
Extended Forecast for
6 Miles SE Willis OK
Overnight
Low: 76 °F
Mostly Clear
Friday
High: 98 °F
Sunny
Friday Night
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: 99 °F
Hot
Monday Night
Low: 79 °F
Clear
Detailed Forecast
Overnight
Mostly clear, with a low around 76. East southeast wind around 5 mph.
Friday
Sunny, with a high near 98. Calm wind becoming east northeast around 5 mph in the afternoon.
Friday Night
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 5 to 10 mph.
Monday
Sunny and hot, with a high near 99. South wind 5 to 10 mph.
Monday Night
Clear, with a low around 79. South southeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 97.
Tuesday Night
Mostly clear, with a low around 79.
Wednesday
Sunny, with a high near 97.
Wednesday Night
Mostly clear, with a low around 79.
Thursday
Sunny, with a high near 98.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
6 Miles SE Willis OK
33.82°N 96.77°W (Elev. 666 ft)
33.82°N 96.77°W (Elev. 666 ft)
1:26 am CDT Aug 28, 2026
1am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
Additional Resources
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