



Marine and Coastal Impacts from Imelda; Unsettled Weather in the West
Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine conditions and rip currents to much of the East Coast over the next several days. A series of Pacific frontal systems will bring waves of showers and thunderstorms to portions of northern California and the Pacific Northwest through midweek. Read More >
Current conditions at
Sherman/Denison, Grayson County Airport (KGYI)
Lat: 33.72°NLon: 96.67°WElev: 748ft.
Mostly Cloudy
74°F
23°C
Humidity | 62% |
Wind Speed | N 5 mph |
Barometer | 30.09 in |
Dewpoint | 60°F (16°C) |
Visibility | 10.00 mi |
Last update | 29 Sep 7:35 pm CDT |
Extended Forecast for
4 Miles NW Collinsville TX
Tonight
Low: 66 °F
Mostly Cloudy
Tuesday
High: 85 °F
Decreasing
CloudsTuesday Night
Low: 62 °F
Mostly Clear
Wednesday
High: 87 °F
Sunny
Wednesday Night
Low: 63 °F
Clear
Thursday
High: 89 °F
Sunny
Thursday Night
Low: 64 °F
Clear
Friday
High: 89 °F
Sunny
Friday Night
Low: 65 °F
Clear
Detailed Forecast
Tonight
Mostly cloudy, with a low around 66. Calm wind.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 85. Calm wind becoming east northeast around 5 mph.
Tuesday Night
Mostly clear, with a low around 62. Calm wind.
Wednesday
Sunny, with a high near 87. Calm wind becoming southeast around 5 mph.
Wednesday Night
Clear, with a low around 63. Calm wind.
Thursday
Sunny, with a high near 89. Calm wind becoming southeast around 5 mph.
Thursday Night
Clear, with a low around 64. East wind around 5 mph becoming calm.
Friday
Sunny, with a high near 89. South southeast wind around 5 mph.
Friday Night
Clear, with a low around 65. South southeast wind around 5 mph.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 66.
Monday
Sunny, with a high near 87.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles NW Collinsville TX
33.61°N 96.95°W (Elev. 758 ft)
33.61°N 96.95°W (Elev. 758 ft)
5:06 pm CDT Sep 29, 2025
7pm CDT Sep 29, 2025-6pm CDT Oct 6, 2025