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

31°F

-1°C

Humidity 50%
Wind Speed N 7 mph
Barometer 30.45 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 19 Jan 9:35 pm CST
Extended Forecast for

Whitesboro TX

  • Tonight

    Tonight: Partly cloudy, with a low around 24. North northeast wind around 5 mph becoming calm after midnight.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 53. Calm wind becoming south around 5 mph in the afternoon.

    High: 53 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers after midnight. Increasing clouds, with a steady temperature around 47. South wind 5 to 10 mph.

    Low: 47 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers before noon. Partly sunny, with a high near 57. South southwest wind around 5 mph becoming north in the afternoon.

    High: 57 °F

    Chance
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37. Northeast wind around 5 mph.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 55. Northeast wind around 5 mph becoming east southeast in the afternoon.

    High: 55 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after midnight. Cloudy, with a low around 38. East wind 5 to 10 mph.

    Low: 38 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely, mainly after noon. Cloudy, with a high near 44. East northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 44 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Rain, freezing rain and sleet likely, possibly mixed with snow before midnight, then snow showers and freezing rain likely, possibly mixed with sleet. Cloudy, with a low around 16. North northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 16 °F

    Wintry Mix
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 24. North northeast wind around 5 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 53. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
A 40 percent chance of showers after midnight. Increasing clouds, with a steady temperature around 47. South wind 5 to 10 mph.
Wednesday
A 30 percent chance of showers before noon. Partly sunny, with a high near 57. South southwest wind around 5 mph becoming north in the afternoon.
Wednesday Night
Partly cloudy, with a low around 37. Northeast wind around 5 mph.
Thursday
Mostly cloudy, with a high near 55. Northeast wind around 5 mph becoming east southeast in the afternoon.
Thursday Night
A 30 percent chance of showers after midnight. Cloudy, with a low around 38. East wind 5 to 10 mph.
Friday
Showers likely, mainly after noon. Cloudy, with a high near 44. East northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday Night
Rain, freezing rain and sleet likely, possibly mixed with snow before midnight, then snow showers and freezing rain likely, possibly mixed with sleet. Cloudy, with a low around 16. North northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Saturday
Snow showers likely, possibly mixed with freezing rain before noon, then a chance of snow showers. Mostly cloudy and cold, with a high near 23. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 10.
Sunday
Mostly sunny and cold, with a high near 28.
Sunday Night
Partly cloudy, with a low around 15.
Monday
Mostly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Whitesboro TX
 33.66°N 96.9°W (Elev. 801 ft)
Last Update:
5:06 pm CST Jan 19, 2026
Forecast Valid:
9pm CST Jan 19, 2026-6pm CST Jan 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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