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Current conditions at
Sherman/Denison, Grayson County Airport (KGYI)
Lat: 33.72°NLon: 96.67°WElev: 748ft.
Fair
77°F
25°C
| Humidity | 69% |
| Wind Speed | SW 6 mph |
| Barometer | 30.17 in |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 18 Sep 6:55 am CDT |
Extended Forecast for
6 Miles SSE Denison TX
Today

High: 99 °F
Hot
Tonight

Low: 74 °F
Clear
Saturday

High: 99 °F
Hot
Saturday Night

Low: 75 °F
Mostly Clear
Sunday

High: 98 °F
Mostly Sunny
Sunday Night

Low: 73 °F
Chance
T-stormsMonday

High: 95 °F
Slight Chance
T-stormsMonday Night
Low: 70 °F
Partly Cloudy
then Slight
Chance
ShowersTuesday

High: 91 °F
Slight Chance
Showers
Detailed Forecast
Today
Sunny and hot, with a high near 99. South southeast wind 5 to 10 mph.
Tonight
Clear, with a low around 74. Southeast wind around 5 mph.
Saturday
Sunny and hot, with a high near 99. South wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 75. South wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 98. South wind 5 to 10 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 73. South southeast wind around 5 mph becoming calm in the evening.
Monday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 95. Calm wind becoming north northwest around 5 mph in the morning.
Monday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 70. North northeast wind around 5 mph.
Tuesday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 91. North northeast wind around 10 mph.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Mostly sunny, with a high near 91.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
Mostly sunny, with a high near 93.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
6 Miles SSE Denison TX
33.69°N 96.52°W (Elev. 650 ft)
33.69°N 96.52°W (Elev. 650 ft)
6:06 am CDT Sep 18, 2026
7am CDT Sep 18, 2026-6pm CDT Sep 24, 2026


