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Hazardous Weather Conditions

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

54°F

12°C

Humidity 30%
Wind Speed S 9 mph
Barometer 30.29 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 20 Jan 2:50 pm CST
Extended Forecast for

Grayson County Airport TX

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

  • This Afternoon

    This Afternoon: Sunny, with a high near 53. South wind around 10 mph.

    High: 53 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of showers after 3am. Increasing clouds, with a steady temperature around 48. South southwest wind around 10 mph.

    Low: 48 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 9am. Cloudy through mid morning, then gradual clearing, with a high near 60. South southwest wind 5 to 10 mph becoming north northeast in the afternoon.

    High: 60 °F

    Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 37. Northeast wind around 5 mph.

    Low: 37 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 56. East wind 5 to 10 mph.

    High: 56 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 50 percent chance of showers after midnight. Cloudy, with a low around 36. Northeast wind 5 to 15 mph.

    Low: 36 °F

    Cloudy then
    Chance
    Showers

  • Friday

    Friday: Rain showers likely, possibly mixed with sleet before noon, then rain, snow and sleet, possibly mixed with freezing rain. High near 38. Northeast wind 15 to 20 mph. Chance of precipitation is 80%.

    High: 38 °F

    Wintry Mix

  • Friday Night

    Friday Night: Snow showers and sleet, possibly mixed with freezing rain. Low around 15. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    Low: 15 °F

    Wintry Mix

  • Saturday

    Saturday: Snow showers, possibly mixed with freezing rain and sleet. High near 22. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    High: 22 °F

    Wintry Mix

Detailed Forecast

This Afternoon
Sunny, with a high near 53. South wind around 10 mph.
Tonight
A 30 percent chance of showers after 3am. Increasing clouds, with a steady temperature around 48. South southwest wind around 10 mph.
Wednesday
A 30 percent chance of showers, mainly before 9am. Cloudy through mid morning, then gradual clearing, with a high near 60. South southwest wind 5 to 10 mph becoming north northeast in the afternoon.
Wednesday Night
Increasing clouds, with a low around 37. Northeast wind around 5 mph.
Thursday
Mostly cloudy, with a high near 56. East wind 5 to 10 mph.
Thursday Night
A 50 percent chance of showers after midnight. Cloudy, with a low around 36. Northeast wind 5 to 15 mph.
Friday
Rain showers likely, possibly mixed with sleet before noon, then rain, snow and sleet, possibly mixed with freezing rain. High near 38. Northeast wind 15 to 20 mph. Chance of precipitation is 80%.
Friday Night
Snow showers and sleet, possibly mixed with freezing rain. Low around 15. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Saturday
Snow showers, possibly mixed with freezing rain and sleet. High near 22. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Saturday Night
A chance of snow showers, freezing rain, and sleet before midnight, then a slight chance of snow showers. Mostly cloudy, with a low around 10. Chance of precipitation is 40%.
Sunday
Partly sunny and cold, with a high near 25.
Sunday Night
Partly cloudy, with a low around 8.
Monday
Sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grayson County Airport TX
 33.71°N 96.66°W (Elev. 797 ft)
Last Update:
12:01 pm CST Jan 20, 2026
Forecast Valid:
2pm CST Jan 20, 2026-6pm CST Jan 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation