Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Mostly Cloudy

37°F

3°C

Humidity 38%
Wind Speed NW 8 mph
Barometer 30.41 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 17 Jan 11:50 am CST
Extended Forecast for

4 Miles ENE Knollwood TX

  • This Afternoon

    This Afternoon: Cloudy early, then gradual clearing, with a high near 44. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 44 °F

    Gradual
    Clearing

  • Tonight

    Tonight: Mostly clear, with a low around 21. North northwest wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 21 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57. Wind chill values between 17 and 27 early. Light southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30. Light and variable wind becoming north northeast 5 to 10 mph after midnight.

    Low: 30 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 45. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24. North northeast wind 5 to 10 mph becoming light  after midnight.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 52. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 52 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42. South wind around 5 mph.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 57. South wind 5 to 10 mph becoming east in the afternoon.

    High: 57 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Cloudy early, then gradual clearing, with a high near 44. Northwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 21. North northwest wind 5 to 10 mph becoming light and variable after midnight.
Sunday
Sunny, with a high near 57. Wind chill values between 17 and 27 early. Light southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 30. Light and variable wind becoming north northeast 5 to 10 mph after midnight.
M.L.King Day
Mostly sunny, with a high near 45. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 24. North northeast wind 5 to 10 mph becoming light after midnight.
Tuesday
Sunny, with a high near 52. Light and variable wind becoming south 5 to 10 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 42. South wind around 5 mph.
Wednesday
Mostly cloudy, with a high near 57. South wind 5 to 10 mph becoming east in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 55.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Partly sunny, with a high near 60.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Knollwood TX
 33.71°N 96.55°W (Elev. 640 ft)
11:21 am CST Jan 17, 2026
12pm CST Jan 17, 2026-6pm CST Jan 23, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database