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.

Light Rain

45°F

7°C

Humidity 93%
Wind Speed E 9 mph
Barometer 30.31 in
Dewpoint 43°F (6°C)
Visibility 3.00 mi
Wind Chill40°F (4°C)
Last update 15 Nov 4:50 pm CST
Extended Forecast for

Denison TX

  • This Afternoon

    This Afternoon: Rain likely. Cloudy, with a high near 46. East wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Rain Likely

  • Tonight

    Tonight: A 40 percent chance of rain, mainly before midnight. Cloudy, with a low around 43. North northeast wind 5 to 10 mph.

    Low: 43 °F

    Chance Rain

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 58. East wind around 5 mph.

    High: 58 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 40. East northeast wind around 5 mph becoming calm.

    Low: 40 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65. Southeast wind 5 to 10 mph.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45. Southeast wind around 5 mph.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 69 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 56. South southeast wind around 5 mph.

    Low: 56 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before noon. Mostly cloudy, with a high near 72. South southeast wind 5 to 10 mph.

    High: 72 °F

    Slight Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

This Afternoon
Rain likely. Cloudy, with a high near 46. East wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 40 percent chance of rain, mainly before midnight. Cloudy, with a low around 43. North northeast wind 5 to 10 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 58. East wind around 5 mph.
Monday Night
Clear, with a low around 40. East northeast wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 65. Southeast wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 45. Southeast wind around 5 mph.
Wednesday
Mostly sunny, with a high near 69. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 56. South southeast wind around 5 mph.
Thursday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 72. South southeast wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 59.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 74.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 68.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Denison TX
 33.78°N 96.57°W (Elev. 659 ft)
Last Update:
5:06 pm CST Nov 15, 2026
Forecast Valid:
5pm CST Nov 15, 2026-6pm CST Nov 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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