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.

Fair

61°F

16°C

Humidity 42%
Wind Speed NE 16 mph
Barometer 30.14 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 21 Jan 4:50 pm CST
Extended Forecast for

Whitesboro TX

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

  • Tonight

    Tonight: Partly cloudy, with a low around 35. Northeast wind around 5 mph.

    Low: 35 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 56. Northeast wind around 5 mph becoming east southeast in the afternoon.

    High: 56 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 40 percent chance of showers after midnight. Cloudy, with a low around 38. East northeast wind 5 to 10 mph.

    Low: 38 °F

    Cloudy then
    Chance
    Showers

  • Friday

    Friday: Rain showers likely before noon, then rain showers, possibly mixed with sleet between noon and 3pm, then rain showers and freezing rain, possibly mixed with sleet after 3pm. Temperature falling to around 31 by 5pm. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible. New sleet accumulation of less than a half inch possible.

    High: 41 °F⇓

    Showers
    Likely then
    Wintry Mix

  • Friday Night

    Friday Night: Sleet, possibly mixed with freezing rain. The sleet could be heavy at times. Low around 17. North northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.

    Low: 17 °F

    Wintry Mix

  • Saturday

    Saturday: Sleet, possibly mixed with freezing rain before noon, then snow showers and sleet. The sleet could be heavy at times. High near 21. North wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.

    High: 21 °F

    Wintry Mix

  • Saturday Night

    Saturday Night: Snow showers and sleet likely, mainly before midnight. Cloudy, with a low around 8. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 8 °F

    Snow/Sleet
    Likely

  • Sunday

    Sunday: A 20 percent chance of snow showers before noon. Partly sunny and cold, with a high near 19. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 19 °F

    Slight Chance
    Snow Showers
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 4. North northwest wind around 5 mph.

    Low: 4 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 35. Northeast wind around 5 mph.
Thursday
Mostly cloudy, with a high near 56. Northeast wind around 5 mph becoming east southeast in the afternoon.
Thursday Night
A 40 percent chance of showers after midnight. Cloudy, with a low around 38. East northeast wind 5 to 10 mph.
Friday
Rain showers likely before noon, then rain showers, possibly mixed with sleet between noon and 3pm, then rain showers and freezing rain, possibly mixed with sleet after 3pm. Temperature falling to around 31 by 5pm. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible. New sleet accumulation of less than a half inch possible.
Friday Night
Sleet, possibly mixed with freezing rain. The sleet could be heavy at times. Low around 17. North northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Saturday
Sleet, possibly mixed with freezing rain before noon, then snow showers and sleet. The sleet could be heavy at times. High near 21. North wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Saturday Night
Snow showers and sleet likely, mainly before midnight. Cloudy, with a low around 8. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday
A 20 percent chance of snow showers before noon. Partly sunny and cold, with a high near 19. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 4. North northwest wind around 5 mph.
Monday
Sunny and cold, with a high near 28.
Monday Night
Mostly clear, with a low around 8.
Tuesday
Mostly sunny, with a high near 35.
Tuesday Night
Partly cloudy, with a low around 17.
Wednesday
Mostly sunny, with a high near 38.
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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 21, 2026
Forecast Valid:
5pm CST Jan 21, 2026-6pm CST Jan 28, 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