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

66°F

19°C

Humidity 40%
Wind Speed N 16 G 21 mph
Barometer 30.37 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 5 Apr 2:50 pm CDT
Extended Forecast for

3 Miles ENE Knollwood TX

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 68. North northeast wind around 10 mph.

    High: 68 °F

    Mostly Sunny

  • Tonight

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

    Low: 46 °F

    Partly Cloudy

  • Monday

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

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 47. Southeast wind around 5 mph.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 70. Southeast wind 5 to 10 mph.

    High: 70 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 51. Southeast wind around 5 mph.

    Low: 51 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. South wind 5 to 10 mph.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. South southeast wind around 10 mph.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 78. South wind around 10 mph, with gusts as high as 20 mph.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 68. North northeast wind around 10 mph.
Tonight
Partly cloudy, with a low around 46. Northeast wind around 5 mph.
Monday
Sunny, with a high near 70. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 47. Southeast wind around 5 mph.
Tuesday
Partly sunny, with a high near 70. Southeast wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 51. Southeast wind around 5 mph.
Wednesday
Mostly sunny, with a high near 73. South wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 58. South southeast wind around 10 mph.
Thursday
Mostly sunny, with a high near 78. South wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Partly sunny, with a high near 78.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Knollwood TX
 33.71°N 96.57°W (Elev. 673 ft)
Last Update:
1:26 pm CDT Apr 5, 2026
Forecast Valid:
3pm CDT Apr 5, 2026-6pm CDT Apr 11, 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