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

September is National Preparedness Month. Join us each week as we share important safety and preparedness information through our social media accounts. Check out our latest weather safety graphics here!

Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

95°F

35°C

Humidity 38%
Wind Speed S 12 mph
Barometer 29.78 in
Dewpoint 66°F (19°C)
Visibility 7.00 mi
Heat Index98°F (37°C)
Last update 11 Sep 7:15 pm CDT
Extended Forecast for

2 Miles N Dorchester TX

  • Tonight

    Tonight: Mostly clear, with a low around 76. South wind 5 to 10 mph.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 98. Heat index values as high as 101. South wind around 10 mph.

    High: 98 °F

    Sunny

  • Saturday Night

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

    Low: 77 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 98. Heat index values as high as 101. South wind 5 to 10 mph.

    High: 98 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 76. South southeast wind around 10 mph.

    Low: 76 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 97. South wind around 10 mph, with gusts as high as 20 mph.

    High: 97 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 77. South southeast wind around 10 mph.

    Low: 77 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 97. South wind around 10 mph.

    High: 97 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. South southeast wind around 10 mph.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 76. South wind 5 to 10 mph.
Saturday
Sunny, with a high near 98. Heat index values as high as 101. South wind around 10 mph.
Saturday Night
Clear, with a low around 77. South southeast wind 5 to 10 mph.
Sunday
Sunny, with a high near 98. Heat index values as high as 101. South wind 5 to 10 mph.
Sunday Night
Clear, with a low around 76. South southeast wind around 10 mph.
Monday
Sunny, with a high near 97. South wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Clear, with a low around 77. South southeast wind around 10 mph.
Tuesday
Sunny, with a high near 97. South wind around 10 mph.
Tuesday Night
Mostly clear, with a low around 77. South southeast wind around 10 mph.
Wednesday
Sunny, with a high near 97.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96.
Thursday Night
Mostly clear, with a low around 76.
Friday
A 20 percent chance of showers. Sunny, with a high near 94.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Dorchester TX
 33.57°N 96.71°W (Elev. 853 ft)
Last Update:
7:13 pm CDT Sep 11, 2026
Forecast Valid:
7pm CDT Sep 11, 2026-6pm CDT Sep 18, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation