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 38%
Wind Speed N 15 mph
Barometer 30.35 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 5 Apr 3:50 pm CDT
Extended Forecast for

2 Miles WSW Grayson County Airport TX

  • Tonight

    Tonight: Partly cloudy, with a low around 44. East northeast wind 5 to 10 mph.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 70. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46. Southeast wind around 5 mph.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 69. Southeast wind 5 to 10 mph.

    High: 69 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 49. Southeast wind 5 to 10 mph.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. South wind 5 to 10 mph.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. South southeast wind around 10 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 77. South wind around 10 mph, with gusts as high as 20 mph.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 61. South southeast wind around 10 mph.

    Low: 61 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 44. East northeast wind 5 to 10 mph.
Monday
Sunny, with a high near 70. Calm wind becoming east southeast around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 46. Southeast wind around 5 mph.
Tuesday
Partly sunny, with a high near 69. Southeast wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 49. Southeast wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 72. South wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 57. South southeast wind around 10 mph.
Thursday
Mostly sunny, with a high near 77. South wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 61. South southeast wind around 10 mph.
Friday
Partly sunny, with a high near 78.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Grayson County Airport TX
 33.73°N 96.71°W (Elev. 725 ft)
Last Update:
1:26 pm CDT Apr 5, 2026
Forecast Valid:
4pm CDT Apr 5, 2026-6pm CDT Apr 12, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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