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

38°F

3°C

Humidity 72%
Wind Speed S 13 mph
Barometer 30.04 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 29 Jan 6:35 am CST
Extended Forecast for

Grayson County Airport TX

  • Today

    Today: Increasing clouds, with a high near 48. South wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 48 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. Wind chill values between 16 and 21. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 41. Wind chill values between 15 and 25. North wind around 10 mph.

    High: 41 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 14. Wind chill values between 1 and 11. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 14 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny and cold, with a high near 29. North wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 29 °F

    Cold

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 18. Calm wind becoming south around 5 mph after midnight.

    Low: 18 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 45. South southwest wind 5 to 10 mph.

    High: 45 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 28. South southwest wind around 5 mph.

    Low: 28 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 53. South wind 5 to 10 mph.

    High: 53 °F

    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 48. South wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly cloudy, with a low around 25. Wind chill values between 16 and 21. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 41. Wind chill values between 15 and 25. North wind around 10 mph.
Friday Night
Partly cloudy, with a low around 14. Wind chill values between 1 and 11. North wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Sunny and cold, with a high near 29. North wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 18. Calm wind becoming south around 5 mph after midnight.
Sunday
Sunny, with a high near 45. South southwest wind 5 to 10 mph.
Sunday Night
Clear, with a low around 28. South southwest wind around 5 mph.
Monday
Sunny, with a high near 53. South wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
A 20 percent chance of showers. Mostly cloudy, with a high near 52.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 34.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grayson County Airport TX
 33.71°N 96.66°W (Elev. 797 ft)
Last Update:
5:21 am CST Jan 29, 2026
Forecast Valid:
7am CST Jan 29, 2026-6pm CST Feb 4, 2026
 
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Additional Resources

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