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

A frontal boundary will bring scattered showers and storms to portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Intermountain West and expand into the Central U.S. by early next week. Elevated wildfire conditions will develop across portions of the Northern/Central Plains and air quality issues will persist in the Northwest. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

100°F

38°C

Humidity 29%
Wind Speed S 12 mph
Barometer 29.96 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 5 Aug 4:50 pm CDT
Extended Forecast for

2 Miles SSE Collinsville TX

  • Tonight

    Tonight: Clear, with a low around 78. South southeast wind around 5 mph.

    Low: 78 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 99. Heat index values as high as 102. South southwest wind 5 to 10 mph.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78. South wind 5 to 10 mph.

    Low: 78 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 99. Heat index values as high as 105. South wind around 5 mph.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 78. South wind around 5 mph.

    Low: 78 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 99. South wind around 5 mph.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 77. South southeast wind around 5 mph.

    Low: 77 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 98. South wind 5 to 10 mph.

    High: 98 °F

    Sunny

  • Sunday Night

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

    Low: 77 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 78. South southeast wind around 5 mph.
Thursday
Sunny and hot, with a high near 99. Heat index values as high as 102. South southwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 78. South wind 5 to 10 mph.
Friday
Sunny and hot, with a high near 99. Heat index values as high as 105. South wind around 5 mph.
Friday Night
Mostly clear, with a low around 78. South wind around 5 mph.
Saturday
Sunny and hot, with a high near 99. South wind around 5 mph.
Saturday Night
Clear, with a low around 77. South southeast wind around 5 mph.
Sunday
Sunny, with a high near 98. South wind 5 to 10 mph.
Sunday Night
Clear, with a low around 77. South southeast wind 5 to 10 mph.
Monday
Sunny, with a high near 98.
Monday Night
Clear, with a low around 78.
Tuesday
Sunny, with a high near 98.
Tuesday Night
Mostly clear, with a low around 78.
Wednesday
Sunny, with a high near 98.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Collinsville TX
 33.52°N 96.9°W (Elev. 653 ft)
1:26 pm CDT Aug 5, 2026
5pm CDT Aug 5, 2026-6pm CDT Aug 12, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database