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

64°F

18°C

Humidity 94%
Wind Speed S 14 mph
Barometer 29.81 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 2 Apr 8:50 am CDT
Extended Forecast for

2 Miles S Knollwood TX

  • Today

    Today: A 30 percent chance of showers and thunderstorms before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 82. South southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 82 °F

    Chance
    T-storms then
    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 67. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 67 °F

    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Cloudy, with a high near 80. South wind around 15 mph, with gusts as high as 25 mph.

    High: 80 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms. Some of the storms could produce heavy rainfall. Low around 56. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 56 °F

    Heavy Rain

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 1pm. Cloudy, with a high near 67. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 67 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 48. North wind 5 to 10 mph.

    Low: 48 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 68. North northeast wind 5 to 10 mph.

    High: 68 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 48. North northeast wind around 5 mph.

    Low: 48 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 69. East wind around 5 mph.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 82. South southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, with a low around 67. South wind around 15 mph, with gusts as high as 25 mph.
Friday
A 40 percent chance of showers and thunderstorms. Cloudy, with a high near 80. South wind around 15 mph, with gusts as high as 25 mph.
Friday Night
Showers and thunderstorms. Some of the storms could produce heavy rainfall. Low around 56. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Saturday
Showers and thunderstorms likely, mainly before 1pm. Cloudy, with a high near 67. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Saturday Night
Mostly cloudy, with a low around 48. North wind 5 to 10 mph.
Sunday
Partly sunny, with a high near 68. North northeast wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 48. North northeast wind around 5 mph.
Monday
Mostly sunny, with a high near 69. East wind around 5 mph.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Knollwood TX
 33.66°N 96.63°W (Elev. 771 ft)
Last Update:
6:11 am CDT Apr 2, 2026
Forecast Valid:
9am CDT Apr 2, 2026-6pm CDT Apr 8, 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