National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Mostly Cloudy

49°F

9°C

Humidity 81%
Wind Speed SE 3 mph
Barometer 30.13 in
Dewpoint 43°F (6°C)
Visibility 9.00 mi
Last update 22 Jan 8:35 pm CST
Extended Forecast for

Whitesboro TX

Winter Storm Warning January 23, 06:00pm until January 25, 12:00pm
Extreme Cold Warning January 24, 06:00pm until January 26, 12:00pm
Click here for hazard details and duration
Winter Storm Warning
Extreme Cold Warning

  • Tonight

    Tonight: A 20 percent chance of showers after 3am. Cloudy, with a low around 39. East northeast wind 5 to 10 mph.

    Low: 39 °F

    Cloudy then
    Slight Chance
    Showers

  • Friday

    Friday: Showers, mainly after 9am. Temperature falling to around 34 by 4pm. East northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 44 °F⇓

    Showers
    Likely then
    Showers

  • Friday Night

    Friday Night: Rain showers, possibly mixed with sleet before 9pm, then freezing rain and sleet. Low around 23. Wind chill values between 12 and 17. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New ice accumulation of 0.1 to 0.3 of an inch possible. New sleet accumulation of less than one inch possible.

    Low: 23 °F

    Wintry Mix

  • Saturday

    Saturday: Sleet, possibly mixed with freezing rain. The sleet could be heavy at times. High near 24. Wind chill values between 8 and 13. North wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New ice accumulation of 0.1 to 0.2 of an inch possible. New sleet accumulation of less than one inch possible.

    High: 24 °F

    Wintry Mix

  • Saturday Night

    Saturday Night: Sleet, possibly mixed with freezing rain before midnight, then sleet, possibly mixed with snow showers and freezing rain between midnight and 3am, then snow showers and sleet after 3am. Low around 10. North wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    Low: 10 °F

    Wintry Mix

  • Sunday

    Sunday: A chance of snow showers and sleet before noon, then a slight chance of snow showers. Mostly cloudy and cold, with a high near 18. North northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 18 °F

    Chance
    Snow/Sleet
    then Slight
    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 0. North northwest wind 5 to 10 mph.

    Low: 0 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and cold, with a high near 27. North northwest wind around 5 mph becoming south southwest in the afternoon.

    High: 27 °F

    Cold

  • Monday Night

    Monday Night: Mostly clear, with a low around 12. South wind around 5 mph.

    Low: 12 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers after 3am. Cloudy, with a low around 39. East northeast wind 5 to 10 mph.
Friday
Showers, mainly after 9am. Temperature falling to around 34 by 4pm. East northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain showers, possibly mixed with sleet before 9pm, then freezing rain and sleet. Low around 23. Wind chill values between 12 and 17. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New ice accumulation of 0.1 to 0.3 of an inch possible. New sleet accumulation of less than one inch possible.
Saturday
Sleet, possibly mixed with freezing rain. The sleet could be heavy at times. High near 24. Wind chill values between 8 and 13. North wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New ice accumulation of 0.1 to 0.2 of an inch possible. New sleet accumulation of less than one inch possible.
Saturday Night
Sleet, possibly mixed with freezing rain before midnight, then sleet, possibly mixed with snow showers and freezing rain between midnight and 3am, then snow showers and sleet after 3am. Low around 10. North wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Sunday
A chance of snow showers and sleet before noon, then a slight chance of snow showers. Mostly cloudy and cold, with a high near 18. North northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 0. North northwest wind 5 to 10 mph.
Monday
Sunny and cold, with a high near 27. North northwest wind around 5 mph becoming south southwest in the afternoon.
Monday Night
Mostly clear, with a low around 12. South wind around 5 mph.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
Partly cloudy, with a low around 21.
Thursday
Partly sunny, with a high near 37.
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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:
5:07 pm CST Jan 22, 2026
Forecast Valid:
8pm CST Jan 22, 2026-6pm CST Jan 29, 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