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

68°F

20°C

Humidity 40%
Wind Speed Calm
Barometer 30.13 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 12 Nov 10:50 am CST
Extended Forecast for

4 Miles NNW Southmayd TX

  • Today

    Today: Sunny, with a high near 74. Northwest wind around 5 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 46. Northeast wind around 5 mph.

    Low: 46 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 64. North northeast wind 5 to 10 mph.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43. East northeast wind around 5 mph.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 61. East southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 61 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 43. East southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 43 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Showers. High near 50. East southeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    High: 50 °F

    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44. East wind 5 to 10 mph.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 57. East northeast wind around 5 mph.

    High: 57 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 74. Northwest wind around 5 mph.
Tonight
Clear, with a low around 46. Northeast wind around 5 mph.
Friday
Sunny, with a high near 64. North northeast wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 43. East northeast wind around 5 mph.
Saturday
Partly sunny, with a high near 61. East southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 43. East southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Sunday
Showers. High near 50. East southeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Sunday Night
Mostly cloudy, with a low around 44. East wind 5 to 10 mph.
Monday
Partly sunny, with a high near 57. East northeast wind around 5 mph.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Southmayd TX
 33.68°N 96.76°W (Elev. 748 ft)
Last Update:
11:06 am CST Nov 12, 2026
Forecast Valid:
11am CST Nov 12, 2026-6pm CST Nov 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation