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

34°F

1°C

Humidity 75%
Wind Speed N 3 mph
Barometer 30.63 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 22 Feb 7:00 am CST
Extended Forecast for

Denison TX

  • Today

    Today: Sunny, with a high near 53. North wind around 10 mph, with gusts as high as 20 mph.

    High: 53 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 31. North wind around 5 mph.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56. North northeast wind around 5 mph becoming south southwest in the afternoon.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. South wind 5 to 10 mph.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70. South southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 70 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 79. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 79 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54. South southeast wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 72. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 72 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 53. North wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 31. North wind around 5 mph.
Monday
Sunny, with a high near 56. North northeast wind around 5 mph becoming south southwest in the afternoon.
Monday Night
Mostly clear, with a low around 40. South wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 70. South southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Partly cloudy, with a low around 55. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 79. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 54. South southeast wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 72. North wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Clear, with a low around 45.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Denison TX
 33.75°N 96.57°W (Elev. 748 ft)
Last Update:
5:06 am CST Feb 22, 2026
Forecast Valid:
9am CST Feb 22, 2026-6pm CST Feb 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation