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

25°F

-4°C

Humidity 51%
Wind Speed NE 8 mph
Barometer 30.45 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 20 Jan 3:35 am CST
Extended Forecast for

Whitesboro TX

  • Overnight

    Overnight: Mostly clear, with a low around 23. Calm wind.

    Low: 23 °F

    Mostly Clear

  • 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 30 percent chance of showers after 3am. Increasing clouds, with a steady temperature around 46. South southwest wind 5 to 10 mph.

    Low: 46 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers before noon. Cloudy, then gradually becoming mostly sunny, with a high near 59. South southwest wind around 5 mph becoming north northeast in the afternoon.

    High: 59 °F

    Chance
    Showers then
    Mostly 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. East wind around 5 mph.

    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. 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 and snow showers likely before midnight, then rain, snow, freezing rain, and sleet. Low around 19. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 19 °F

    Wintry Mix

Detailed Forecast

Overnight
Mostly clear, with a low around 23. Calm wind.
Tuesday
Sunny, with a high near 53. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers after 3am. Increasing clouds, with a steady temperature around 46. South southwest wind 5 to 10 mph.
Wednesday
A 30 percent chance of showers before noon. Cloudy, then gradually becoming mostly sunny, with a high near 59. South southwest wind around 5 mph becoming north northeast 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. East wind around 5 mph.
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. 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 and snow showers likely before midnight, then rain, snow, freezing rain, and sleet. Low around 19. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Saturday
Snow showers likely, possibly mixed with freezing rain and sleet before noon, then a chance of snow showers and freezing rain. Cloudy and cold, with a high near 26. Chance of precipitation is 70%.
Saturday Night
A slight chance of snow showers and freezing rain. Mostly cloudy, with a low around 10. Chance of precipitation is 20%.
Sunday
Mostly sunny and cold, with a high near 28.
Sunday Night
Partly cloudy, with a low around 14.
Monday
Mostly sunny, with a high near 35.
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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:
11:21 pm CST Jan 19, 2026
Forecast Valid:
3am CST Jan 20, 2026-6pm CST Jan 26, 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