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

72°F

22°C

Humidity 88%
Wind Speed S 15 mph
Barometer 30.07 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 13 Apr 8:50 am CDT
Extended Forecast for

Whitesboro TX

  • Today

    Today: Partly sunny, with a high near 82. South wind around 15 mph, with gusts as high as 25 mph.

    High: 82 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 66. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 79 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. South wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 76 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 62. South wind around 10 mph.

    Low: 62 °F

    Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 84. South southwest wind around 10 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 65. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. South wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Partly sunny, with a high near 82. South wind around 15 mph, with gusts as high as 25 mph.
Tonight
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 66. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. South wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Wednesday Night
A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 62. South wind around 10 mph.
Thursday
Sunny, with a high near 84. South southwest wind around 10 mph.
Thursday Night
Partly cloudy, with a low around 65. South wind around 10 mph, with gusts as high as 20 mph.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. South wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 70.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Whitesboro TX
 33.66°N 96.9°W (Elev. 801 ft)
Last Update:
6:12 am CDT Apr 13, 2026
Forecast Valid:
9am CDT Apr 13, 2026-6pm CDT Apr 19, 2026
 
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