Hurricane Isaias to Approach the Northern Gulf Coast on Friday
Isaias is expected to approach the northern Gulf Coast as a strong hurricane on Friday, bringing life-threatening storm surge, damaging winds, heavy rain, and severe thunderstorms across the region and Southeast into the weekend, with risks of flooding and tornadoes. Read More >
Current conditions at
Sherman/Denison, Grayson County Airport (KGYI)
Lat: 33.72°NLon: 96.67°WElev: 748ft.
Fair
73°F
23°C
| Humidity | 53% |
| Wind Speed | NE 3 mph |
| Barometer | 30.08 in |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 8 Oct 9:50 am CDT |
Extended Forecast for
3 Miles SSE Collinsville TX
Today
High: 87 °F
Sunny
Tonight
Low: 64 °F
Clear
Friday
High: 88 °F
Sunny
Friday Night
Low: 64 °F
Clear
Saturday
High: 85 °F
Sunny
Saturday Night
Low: 65 °F
Clear
Sunday
High: 87 °F
Sunny
Sunday Night
Low: 69 °F
Clear
Columbus Day
High: 88 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 87. Calm wind becoming northeast around 5 mph.
Tonight
Clear, with a low around 64. Calm wind.
Friday
Sunny, with a high near 88. Calm wind becoming east southeast around 5 mph in the afternoon.
Friday Night
Clear, with a low around 64. East wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 85. Calm wind becoming east southeast around 5 mph.
Saturday Night
Clear, with a low around 65. East wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 87. Light south wind becoming south southwest 5 to 10 mph in the morning.
Sunday Night
Clear, with a low around 69. South southeast wind around 5 mph.
Columbus Day
Sunny, with a high near 88. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 71.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 85.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles SSE Collinsville TX
33.52°N 96.9°W (Elev. 653 ft)
33.52°N 96.9°W (Elev. 653 ft)
6:06 am CDT Oct 8, 2026
10am CDT Oct 8, 2026-6pm CDT Oct 14, 2026
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