National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Light Rain

45°F

7°C

Humidity 93%
Wind Speed E 9 mph
Barometer 30.31 in
Dewpoint 43°F (6°C)
Visibility 3.00 mi
Wind Chill40°F (4°C)
Last update 15 Nov 4:50 pm CST
Extended Forecast for

4 Miles ESE Collinsville TX

  • This Afternoon

    This Afternoon: A 40 percent chance of rain. Cloudy, with a high near 47. East wind around 10 mph.

    High: 47 °F

    Chance Rain

  • Tonight

    Tonight: A 40 percent chance of rain, mainly before midnight. Cloudy, with a low around 43. East northeast wind 5 to 10 mph.

    Low: 43 °F

    Chance Rain

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 57. East northeast wind around 5 mph.

    High: 57 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. Calm wind becoming east around 5 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63. South southeast wind around 5 mph.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45. Southeast wind around 5 mph.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67. South southeast wind 5 to 10 mph.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 55. South southeast wind around 5 mph.

    Low: 55 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before noon. Mostly cloudy, with a high near 71. South southeast wind 5 to 10 mph.

    High: 71 °F

    Slight Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

This Afternoon
A 40 percent chance of rain. Cloudy, with a high near 47. East wind around 10 mph.
Tonight
A 40 percent chance of rain, mainly before midnight. Cloudy, with a low around 43. East northeast wind 5 to 10 mph.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 57. East northeast wind around 5 mph.
Monday Night
Mostly clear, with a low around 41. Calm wind becoming east around 5 mph.
Tuesday
Sunny, with a high near 63. South southeast wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 45. Southeast wind around 5 mph.
Wednesday
Mostly sunny, with a high near 67. South southeast wind 5 to 10 mph.
Wednesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 55. South southeast wind around 5 mph.
Thursday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 71. South southeast wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 59.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 73.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Collinsville TX
 33.53°N 96.84°W (Elev. 692 ft)
Last Update:
5:06 pm CST Nov 15, 2026
Forecast Valid:
5pm CST Nov 15, 2026-6pm CST Nov 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation