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.

Fair

48°F

9°C

Humidity 49%
Wind Speed SW 10 mph
Barometer 30.27 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 13 Jan 1:55 am CST
Extended Forecast for

4 Miles WSW Collinsville TX

  • Overnight

    Overnight: Mostly clear, with a low around 36. Southwest wind around 5 mph.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 67. West southwest wind 5 to 10 mph.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 43. South southwest wind 5 to 10 mph becoming north after midnight.

    Low: 43 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 58 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 29. North wind 5 to 10 mph becoming light north northwest after midnight. Winds could gust as high as 20 mph.

    Low: 29 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 55. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 38. South wind around 5 mph becoming west after midnight.

    Low: 38 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 59. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31. Northwest wind around 5 mph.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 36. Southwest wind around 5 mph.
Tuesday
Sunny, with a high near 67. West southwest wind 5 to 10 mph.
Tuesday Night
Increasing clouds, with a low around 43. South southwest wind 5 to 10 mph becoming north after midnight.
Wednesday
Mostly sunny, with a high near 58. North wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 29. North wind 5 to 10 mph becoming light north northwest after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 55. Calm wind becoming south southwest around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 38. South wind around 5 mph becoming west after midnight.
Friday
Sunny, with a high near 59. North wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 31. Northwest wind around 5 mph.
Saturday
Sunny, with a high near 55.
Saturday Night
Clear, with a low around 29.
Sunday
Sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 29.
M.L.King Day
Sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Collinsville TX
 33.55°N 96.98°W (Elev. 748 ft)
Last Update:
11:21 pm CST Jan 12, 2026
Forecast Valid:
2am CST Jan 13, 2026-6pm CST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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