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

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Overcast

26°C

79°F

Humidity 84%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 23°C (73°F)
Visibility 13 km
Heat Index28°C (83°F)
Last update 3 Jul 2:50 pm CDT
Extended Forecast for

Gainesville TX

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 22. South southeast wind 5 to 10 km/h. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Low: 22 °C

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Independence Day

    Independence Day: A chance of showers and thunderstorms before 4pm, then a slight chance of showers. Partly sunny, with a high near 29. South southeast wind 10 to 15 km/h. Chance of precipitation is 50%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    High: 29 °C

    Chance
    T-storms then
    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 22. South southeast wind around 10 km/h. Chance of precipitation is 20%.

    Low: 22 °C

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 32. Heat index values as high as 36. South wind 10 to 15 km/h.

    High: 32 °C

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 22. South wind 5 to 10 km/h.

    Low: 22 °C

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 33. South wind 5 to 10 km/h.

    High: 33 °C

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 22. Calm wind.

    Low: 22 °C

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 34. Calm wind.

    High: 34 °C

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 23. Calm wind.

    Low: 23 °C

    Partly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 22. South southeast wind 5 to 10 km/h. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Independence Day
A chance of showers and thunderstorms before 4pm, then a slight chance of showers. Partly sunny, with a high near 29. South southeast wind 10 to 15 km/h. Chance of precipitation is 50%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Friday Night
A slight chance of showers, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 22. South southeast wind around 10 km/h. Chance of precipitation is 20%.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 32. Heat index values as high as 36. South wind 10 to 15 km/h.
Saturday Night
Partly cloudy, with a low around 22. South wind 5 to 10 km/h.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 33. South wind 5 to 10 km/h.
Sunday Night
Partly cloudy, with a low around 22. Calm wind.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 34. Calm wind.
Monday Night
Partly cloudy, with a low around 23. Calm wind.
Tuesday
Sunny, with a high near 34.
Tuesday Night
Mostly clear, with a low around 23.
Wednesday
Sunny, with a high near 36.
Wednesday Night
Mostly clear, with a low around 24.
Thursday
Sunny and hot, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gainesville TX
 33.63°N 97.14°W (Elev. 764 m)
Last Update:
12:25 pm CDT Jul 3, 2025
Forecast Valid:
5pm CDT Jul 3, 2025-6pm CDT Jul 10, 2025
 
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