Current conditions at
Sherman/Denison, Grayson County Airport (KGYI)
Lat: 33.72°NLon: 96.67°WElev: 748ft.
Overcast
53°F
12°C
| Humidity | 56% |
| Wind Speed | S 10 mph |
| Barometer | 30.23 in |
| Dewpoint | 38°F (3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 50°F (10°C) |
| Last update | 29 Mar 4:15 am CDT |
Extended Forecast for
Grayson County Airport TX
Today
High: 79 °F
Sunny
Tonight
Low: 60 °F
Mostly Clear
Monday
High: 82 °F
Sunny
Monday Night
Low: 62 °F
Partly Cloudy
Tuesday
High: 83 °F
Partly Sunny
Tuesday Night
Low: 61 °F
Chance
T-stormsWednesday
High: 77 °F
Chance
T-stormsWednesday Night
Low: 60 °F
Showers
LikelyThursday
High: 76 °F
Chance
Showers
Detailed Forecast
Today
Sunny, with a high near 79. South wind 10 to 20 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 60. South wind around 15 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 82. South wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 62. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 83. South wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61. South wind around 15 mph, with gusts as high as 20 mph.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77. South wind around 15 mph, with gusts as high as 20 mph.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. South southeast wind around 10 mph. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 62.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 71.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Grayson County Airport TX
33.71°N 96.66°W (Elev. 797 ft)
33.71°N 96.66°W (Elev. 797 ft)
1:26 am CDT Mar 29, 2026
4am CDT Mar 29, 2026-6pm CDT Apr 4, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
