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.

Overcast

64°F

18°C

Humidity 94%
Wind Speed S 14 mph
Barometer 29.95 in
Dewpoint 63°F (17°C)
Visibility 9.00 mi
Last update 9 Mar 7:50 am CDT
Extended Forecast for

2 Miles WNW Denison TX

  • Today

    Today: Partly sunny, with a high near 81. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 81 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 67. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 67 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 78. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 62. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 62 °F

    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 71. South wind 10 to 20 mph becoming north in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 1am. Mostly clear, with a low around 42. North wind 10 to 20 mph, with gusts as high as 25 mph.

    Low: 42 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 64. North wind around 5 mph becoming south in the afternoon.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 49. South wind 5 to 10 mph.

    Low: 49 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 76. South southwest wind around 10 mph.

    High: 76 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 81. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 67. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 78. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm. Low around 62. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 71. South wind 10 to 20 mph becoming north in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%.
Wednesday Night
A 20 percent chance of showers before 1am. Mostly clear, with a low around 42. North wind 10 to 20 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 64. North wind around 5 mph becoming south in the afternoon.
Thursday Night
Clear, with a low around 49. South wind 5 to 10 mph.
Friday
Sunny, with a high near 76. South southwest wind around 10 mph.
Friday Night
Clear, with a low around 54.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Denison TX
 33.78°N 96.6°W (Elev. 702 ft)
Last Update:
6:12 am CDT Mar 9, 2026
Forecast Valid:
8am CDT Mar 9, 2026-6pm CDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation