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

79°F

26°C

Humidity 66%
Wind Speed S 8 mph
Barometer 30.04 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 9 Aug 1:15 am CDT
Extended Forecast for

2 Miles ENE Sherman TX

  • Overnight

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

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 99. Heat index values as high as 103. South wind 5 to 10 mph.

    High: 99 °F

    Hot

  • Sunday Night

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

    Low: 78 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 99. Heat index values as high as 102. South southwest wind around 10 mph.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 78. South wind around 10 mph.

    Low: 78 °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 79. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 79 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99. South wind around 10 mph, with gusts as high as 20 mph.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 79. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 79 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 75. South wind around 5 mph.
Sunday
Sunny and hot, with a high near 99. Heat index values as high as 103. South wind 5 to 10 mph.
Sunday Night
Clear, with a low around 78. South wind around 10 mph.
Monday
Sunny and hot, with a high near 99. Heat index values as high as 102. South southwest wind around 10 mph.
Monday Night
Clear, with a low around 78. South wind around 10 mph.
Tuesday
Sunny and hot, with a high near 99. South wind around 10 mph.
Tuesday Night
Clear, with a low around 79. South wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny and hot, with a high near 99. South wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Clear, with a low around 79. South wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Sunny and hot, with a high near 100.
Thursday Night
Mostly clear, with a low around 78.
Friday
Sunny and hot, with a high near 100.
Friday Night
Mostly clear, with a low around 79.
Saturday
Sunny and hot, with a high near 99.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Sherman TX
 33.64°N 96.57°W (Elev. 738 ft)
Last Update:
10:51 pm CDT Aug 8, 2026
Forecast Valid:
1am CDT Aug 9, 2026-6pm CDT Aug 15, 2026
 
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

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation