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.

Fair

64°F

18°C

Humidity 62%
Wind Speed S 9 mph
Barometer 30.00 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 1 Mar 2:15 am CST
Extended Forecast for

Whitesboro TX

  • Overnight

    Overnight: A 20 percent chance of showers after 3am. Mostly cloudy, with a low around 59. South wind 5 to 10 mph.

    Low: 59 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 77. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 77 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly between 9pm and midnight. Partly cloudy, with a low around 57. South wind around 10 mph.

    Low: 57 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 76. South wind around 10 mph.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 80. South wind around 15 mph, with gusts as high as 25 mph.

    High: 80 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 63. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 76. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 76 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. South wind 5 to 10 mph. Chance of precipitation is 70%.

    Low: 58 °F

    Showers
    Likely

Detailed Forecast

Overnight
A 20 percent chance of showers after 3am. Mostly cloudy, with a low around 59. South wind 5 to 10 mph.
Sunday
A 20 percent chance of showers before 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 77. South wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
A 30 percent chance of showers, mainly between 9pm and midnight. Partly cloudy, with a low around 57. South wind around 10 mph.
Monday
Mostly sunny, with a high near 76. South wind around 10 mph.
Monday Night
Partly cloudy, with a low around 60. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 80. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 63. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 76. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. South wind 5 to 10 mph. Chance of precipitation is 70%.
Thursday
Showers likely, with thunderstorms also possible after noon. Partly sunny, with a high near 76. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
Friday Night
Showers and possibly a thunderstorm. Low around 57. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.
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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:
12:26 am CST Mar 1, 2026
Forecast Valid:
2am CST Mar 1, 2026-6pm CST Mar 7, 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