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

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 Index79°F (26°C)
Last update 28 Aug 5:15 am CDT
Extended Forecast for

6 Miles NW Pottsboro TX

  • Today

    Today: Sunny, with a high near 96. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 96 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 77. East wind around 6 mph.

    Low: 77 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 96. Heat index values as high as 99. East southeast wind around 6 mph becoming calm in the afternoon.

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 79. East southeast wind 6 to 9 mph.

    Low: 79 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 97. South wind 7 to 9 mph.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 80.

    Low: 80 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 80.

    Low: 80 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 96. Calm wind becoming east northeast around 5 mph in the afternoon.
Tonight
Clear, with a low around 77. East wind around 6 mph.
Saturday
Sunny, with a high near 96. Heat index values as high as 99. East southeast wind around 6 mph becoming calm in the afternoon.
Saturday Night
Mostly clear, with a low around 79. East southeast wind 6 to 9 mph.
Sunday
Sunny and hot, with a high near 97. South wind 7 to 9 mph.
Sunday Night
Clear, with a low around 80.
Monday
Sunny, with a high near 96.
Monday Night
Clear, with a low around 80.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 80.
Wednesday
Sunny, with a high near 95.
Wednesday Night
Mostly clear, with a low around 81.
Thursday
Sunny, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW Pottsboro TX
 33.82°N 96.75°W
Last Update:
1:27 am CDT Aug 28, 2026
Forecast Valid:
5am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation