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

65°F

18°C

Humidity 70%
Wind Speed SE 9 mph
Barometer 30.05 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 13 May 2:55 am CDT
Extended Forecast for

3 Miles W Southmayd TX

  • Overnight

    Overnight: Clear, with a steady temperature around 62. South southeast wind around 5 mph.

    Low: 62 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. Calm wind becoming south southwest around 5 mph.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 65. Southeast wind around 5 mph.

    Low: 65 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 70. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 70 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 88. South wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 70. South wind 15 to 20 mph.

    Low: 70 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 86. South wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a steady temperature around 62. South southeast wind around 5 mph.
Wednesday
Sunny, with a high near 87. Calm wind becoming south southwest around 5 mph.
Wednesday Night
Mostly clear, with a low around 65. Southeast wind around 5 mph.
Thursday
Sunny, with a high near 87. South wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 70. South wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 88. South wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 70. South wind 15 to 20 mph.
Saturday
Mostly sunny, with a high near 86. South wind 15 to 20 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 72. South wind around 15 mph, with gusts as high as 25 mph.
Sunday
Partly sunny, with a high near 88.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Tuesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Southmayd TX
 33.64°N 96.76°W (Elev. 689 ft)
Last Update:
1:26 am CDT May 13, 2026
Forecast Valid:
3am CDT May 13, 2026-6pm CDT May 19, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation