News Headlines
- Looking Beyond the 7-Day Forecast? Check out our latest Extended Range Weather Pattern Discussion for North and Central Texas.
- New Drought Information Statement Available
- September is National Preparedness Month. Join us each week as we share important safety and preparedness information through our social media accounts. Check out our latest weather safety graphics here!
Current conditions at
Sherman/Denison, Grayson County Airport (KGYI)
Lat: 33.72°NLon: 96.67°WElev: 748ft.
A Few Clouds
93°F
34°C
| Humidity | 44% |
| Wind Speed | SE 12 mph |
| Barometer | 30.06 in |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Heat Index | 97°F (36°C) |
| Last update | 23 Sep 4:50 pm CDT |
Extended Forecast for
Denison TX
Tonight
Low: 71 °F
Partly Cloudy
Thursday
High: 92 °F
Partly Sunny
Thursday Night
Low: 68 °F
Partly Cloudy
Friday
High: 92 °F
Mostly Sunny
Friday Night
Low: 71 °F
Mostly Cloudy
Saturday
High: 95 °F
Partly Sunny
Saturday Night
Low: 73 °F
Partly Cloudy
then Slight
Chance
T-stormsSunday
High: 96 °F
Slight Chance
T-stormsSunday Night
Low: 73 °F
Partly Cloudy
then Slight
Chance
Showers
Detailed Forecast
Tonight
Partly cloudy, with a low around 71. East wind 5 to 10 mph.
Thursday
Partly sunny, with a high near 92. East southeast wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 68. East southeast wind around 5 mph.
Friday
Mostly sunny, with a high near 92. Southeast wind around 5 mph.
Friday Night
Mostly cloudy, with a low around 71. East wind around 5 mph.
Saturday
Partly sunny, with a high near 95. South wind around 5 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. South southeast wind around 5 mph.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 96. South southwest wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 73. South southeast wind around 5 mph.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 93. Chance of precipitation is 40%.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 74.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 90. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 82.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Denison TX
33.75°N 96.55°W (Elev. 758 ft)
33.75°N 96.55°W (Elev. 758 ft)
6:06 pm CDT Sep 23, 2026
6pm CDT Sep 23, 2026-6pm CDT Sep 30, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
