National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Thunderstorms and Heavy Rain Across the Country; Heat Wave Begins This Weekend

Widespread showers and thunderstorms, some severe, may bring heavy rain and flash flooding in the central Gulf Coast, Mid-Atlantic, the Upper Midwest, the Great Basin and Southwest. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend. Critical fire weather conditions are expected in the Northwest and Great Basin. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

88°F

31°C

Humidity 56%
Wind Speed SE 8 mph
Barometer 29.96 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 17 Jul 8:15 pm CDT
Extended Forecast for

4 Miles SSE Willis OK

  • Tonight

    Tonight: Mostly clear, with a low around 75. South southeast wind around 5 mph.

    Low: 75 °F

    Mostly Clear

  • Friday

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

    High: 96 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. South southeast wind around 5 mph.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 96. Heat index values as high as 102. South southwest wind 5 to 10 mph.

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 78. South wind around 10 mph.

    Low: 78 °F

    Mostly Clear

  • Sunday

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

    High: 97 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 79. South wind around 10 mph.

    Low: 79 °F

    Mostly Clear

  • Monday

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

    High: 97 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 79. South wind around 10 mph.

    Low: 79 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 75. South southeast wind around 5 mph.
Friday
Sunny, with a high near 96. Heat index values as high as 99. South wind around 5 mph.
Friday Night
Mostly clear, with a low around 76. South southeast wind around 5 mph.
Saturday
Sunny, with a high near 96. Heat index values as high as 102. South southwest wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 78. South wind around 10 mph.
Sunday
Sunny, with a high near 97. South wind around 10 mph.
Sunday Night
Mostly clear, with a low around 79. South wind around 10 mph.
Monday
Sunny, with a high near 97. South wind around 10 mph.
Monday Night
Mostly clear, with a low around 79. South wind around 10 mph.
Tuesday
Sunny, with a high near 98.
Tuesday Night
Mostly clear, with a low around 78.
Wednesday
Sunny, with a high near 97.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Mostly sunny, with a high near 98.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Willis OK
 33.82°N 96.79°W (Elev. 646 ft)
Last Update:
12:25 pm CDT Jul 17, 2025
Forecast Valid:
8pm CDT Jul 17, 2025-6pm CDT Jul 24, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation