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

45°F

7°C

Humidity 29%
Wind Speed N 6 mph
Barometer 30.61 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 22 Feb 6:50 pm CST
Extended Forecast for

Southmayd TX

  • Tonight

    Tonight: Mostly clear, with a low around 28. North northeast wind around 5 mph.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 55. Northeast wind around 5 mph becoming calm in the morning.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69. South southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 69 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53. South wind around 15 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. South wind 5 to 15 mph.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. South southeast wind 5 to 15 mph becoming north northwest after midnight.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 68. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 40. North wind 5 to 10 mph becoming east southeast after midnight.

    Low: 40 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 28. North northeast wind around 5 mph.
Monday
Sunny, with a high near 55. Northeast wind around 5 mph becoming calm in the morning.
Monday Night
Mostly clear, with a low around 38. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 69. South southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Partly cloudy, with a low around 53. South wind around 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 78. South wind 5 to 15 mph.
Wednesday Night
Partly cloudy, with a low around 52. South southeast wind 5 to 15 mph becoming north northwest after midnight.
Thursday
Sunny, with a high near 68. North wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Clear, with a low around 40. North wind 5 to 10 mph becoming east southeast after midnight.
Friday
Sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Southmayd TX
 33.62°N 96.74°W (Elev. 748 ft)
Last Update:
5:07 pm CST Feb 22, 2026
Forecast Valid:
7pm CST Feb 22, 2026-6pm CST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation