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

51°F

11°C

Humidity 91%
Wind Speed E 5 mph
Barometer 30.06 in
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 7 May 12:35 am CDT
Extended Forecast for

Denison TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 50. North wind 5 to 10 mph.

    Low: 50 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 72. North wind around 5 mph.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. Calm wind becoming south southeast around 5 mph.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 81. South southeast wind 5 to 10 mph.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. South wind 5 to 10 mph.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 66. South southeast wind 5 to 10 mph becoming west southwest after midnight.

    Low: 66 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81. North wind 5 to 15 mph.

    High: 81 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. North northeast wind 5 to 10 mph.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 50. North wind 5 to 10 mph.
Thursday
Sunny, with a high near 72. North wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 55. Calm wind becoming south southeast around 5 mph.
Friday
Sunny, with a high near 81. South southeast wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 63. South wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 66. South southeast wind 5 to 10 mph becoming west southwest after midnight.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81. North wind 5 to 15 mph.
Sunday Night
Mostly clear, with a low around 57. North northeast wind 5 to 10 mph.
Monday
Sunny, with a high near 80.
Monday Night
Clear, with a low around 62.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Denison TX
 33.75°N 96.57°W (Elev. 748 ft)
Last Update:
6:11 pm CDT May 6, 2026
Forecast Valid:
12am CDT May 7, 2026-6pm CDT May 13, 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