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

Showers and Storms in the East; Dangerously Hot and Dry in the West

Scattered showers and storms are expected across portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Hot, dry weather and increasing winds will allow elevated wildfire conditions to return to the northern Intermountain West, where air quality issues persist from ongoing fires. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair and Breezy

97°F

36°C

Humidity 42%
Wind Speed SE 21 G 25 mph
Barometer 29.98 in
Dewpoint 70°F (21°C)
Visibility 8.00 mi
Heat Index104°F (40°C)
Last update 8 Aug 5:50 pm CDT
Extended Forecast for

2 Miles E Denison TX

  • Tonight

    Tonight: Mostly clear, with a low around 77. South wind around 5 mph.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 100. Heat index values as high as 103. South wind 5 to 10 mph.

    High: 100 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 78. South wind 5 to 10 mph.

    Low: 78 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 99. Heat index values as high as 104. South wind around 10 mph.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 79. South southeast wind 5 to 10 mph.

    Low: 79 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. South wind around 10 mph.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 80. South wind around 10 mph.

    Low: 80 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 101. South wind around 10 mph, with gusts as high as 20 mph.

    High: 101 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 80. South wind 10 to 15 mph.

    Low: 80 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 77. South wind around 5 mph.
Sunday
Sunny and hot, with a high near 100. Heat index values as high as 103. South wind 5 to 10 mph.
Sunday Night
Clear, with a low around 78. South wind 5 to 10 mph.
Monday
Sunny and hot, with a high near 99. Heat index values as high as 104. South wind around 10 mph.
Monday Night
Clear, with a low around 79. South southeast wind 5 to 10 mph.
Tuesday
Sunny and hot, with a high near 99. South wind around 10 mph.
Tuesday Night
Clear, with a low around 80. South wind around 10 mph.
Wednesday
Sunny and hot, with a high near 101. South wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Clear, with a low around 80. South wind 10 to 15 mph.
Thursday
Sunny and hot, with a high near 101.
Thursday Night
Mostly clear, with a low around 79.
Friday
Sunny and hot, with a high near 101.
Friday Night
Mostly clear, with a low around 80.
Saturday
Sunny and hot, with a high near 100.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Denison TX
 33.75°N 96.55°W (Elev. 758 ft)
Last Update:
6:12 pm CDT Aug 8, 2026
Forecast Valid:
6pm CDT Aug 8, 2026-6pm CDT Aug 15, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation