Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

86°F

30°C

Humidity 62%
Wind Speed Vrbl 5 mph
Barometer 30.05 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 27 Aug 10:50 am CDT
Extended Forecast for

4 Miles W Pottsboro TX

  • Today

    Today: Sunny, with a high near 97. Heat index values as high as 102. Northeast wind 5 to 10 mph becoming southeast in the afternoon.

    High: 97 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 75. East northeast wind around 5 mph becoming calm  in the evening.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 99. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 75. Southeast wind around 5 mph.

    Low: 75 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 100. South wind around 5 mph.

    High: 100 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. Southeast wind around 5 mph.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 100. South wind 5 to 10 mph.

    High: 100 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 77. South southeast wind 5 to 10 mph.

    Low: 77 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 100. South wind 5 to 10 mph.

    High: 100 °F

    Hot

Detailed Forecast

Today
Sunny, with a high near 97. Heat index values as high as 102. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Tonight
Mostly clear, with a low around 75. East northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny and hot, with a high near 99. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
Clear, with a low around 75. Southeast wind around 5 mph.
Saturday
Sunny and hot, with a high near 100. South wind around 5 mph.
Saturday Night
Mostly clear, with a low around 77. Southeast wind around 5 mph.
Sunday
Sunny and hot, with a high near 100. South wind 5 to 10 mph.
Sunday Night
Clear, with a low around 77. South southeast wind 5 to 10 mph.
Monday
Sunny and hot, with a high near 100. South wind 5 to 10 mph.
Monday Night
Clear, with a low around 77.
Tuesday
Sunny and hot, with a high near 99.
Tuesday Night
Clear, with a low around 77.
Wednesday
Sunny and hot, with a high near 100.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Pottsboro TX
 33.77°N 96.74°W (Elev. 748 ft)
10:51 am CDT Aug 27, 2026
11am CDT Aug 27, 2026-6pm CDT Sep 2, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database