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

72°F

22°C

Humidity 68%
Wind Speed S 9 mph
Barometer 29.96 in
Dewpoint 61°F (16°C)
Visibility 9.00 mi
Last update 1 Apr 12:55 am CDT
Extended Forecast for

Whitesboro TX

  • Overnight

    Overnight: Partly cloudy, with a low around 64. South wind around 15 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 83. South wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 83 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms, mainly after 1am. Low around 62. South wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 62 °F

    Chance
    T-storms then
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 81. South wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 81 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 65. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80. South wind around 15 mph, with gusts as high as 25 mph.

    High: 80 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 51. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 51 °F

    T-storms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 63. North wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 63 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 44. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 64. South wind around 15 mph, with gusts as high as 20 mph.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 83. South wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Showers and thunderstorms, mainly after 1am. Low around 62. South wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Thursday
A 40 percent chance of showers and thunderstorms before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 81. South wind 15 to 20 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 65. South wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80. South wind around 15 mph, with gusts as high as 25 mph.
Friday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 51. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 63. North wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 44. North wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 44.
Tuesday
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 pm CDT Mar 31, 2026
Forecast Valid:
1am CDT Apr 1, 2026-6pm CDT Apr 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