Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

88°F

31°C

Humidity 62%
Wind Speed SW 13 mph
Barometer 30.05 in
Dewpoint 73°F (23°C)
Visibility 9.00 mi
Heat Index96°F (36°C)
Last update 15 Jul 11:50 am CDT
Extended Forecast for

Gainesville TX

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 93. Heat index values as high as 103. South wind 5 to 10 mph.

    High: 93 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 74. South wind around 5 mph.

    Low: 74 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 94. Heat index values as high as 105. South wind 5 to 10 mph.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. South wind 5 to 10 mph.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 96. South wind around 5 mph.

    High: 96 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73. South southeast wind around 5 mph becoming calm  in the evening.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 96. Calm wind becoming south around 5 mph in the afternoon.

    High: 96 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 74. Southeast wind around 5 mph.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 97. South southwest wind around 5 mph.

    High: 97 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Heat index values as high as 103. South wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 74. South wind around 5 mph.
Wednesday
Sunny, with a high near 94. Heat index values as high as 105. South wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 74. South wind 5 to 10 mph.
Thursday
Sunny, with a high near 96. South wind around 5 mph.
Thursday Night
Mostly clear, with a low around 73. South southeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 96. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 74. Southeast wind around 5 mph.
Saturday
Sunny, with a high near 97. South southwest wind around 5 mph.
Saturday Night
Mostly clear, with a low around 77.
Sunday
Sunny and hot, with a high near 99.
Sunday Night
Mostly clear, with a low around 77.
Monday
Mostly sunny and hot, with a high near 99.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Gainesville TX
 33.63°N 97.14°W (Elev. 764 ft)
12:24 pm CDT Jul 15, 2025
1pm CDT Jul 15, 2025-6pm CDT Jul 21, 2025
 
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