National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

34°F

1°C

Humidity 51%
Wind Speed NW 15 mph
Barometer 30.30 in
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 16 Mar 4:35 am CDT
Extended Forecast for

Collinsville TX

Freeze Warning until March 16, 09:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until March 16, 09:00am

    NOW until 9:00am Mon

    Freeze Warning

  • Overnight

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 49. Wind chill values between 19 and 29 early. North northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29. North northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 61. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 74. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. South wind around 5 mph.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. South southwest wind 5 to 10 mph.

    High: 84 °F

    Sunny

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 33. North northwest wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 49. Wind chill values between 19 and 29 early. North northwest wind around 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 29. North northwest wind 5 to 10 mph becoming light and variable in the evening.
Tuesday
Sunny, with a high near 61. South wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 45. South wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 74. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 52. South wind around 5 mph.
Thursday
Sunny, with a high near 84. South southwest wind 5 to 10 mph.
Thursday Night
Clear, with a low around 56. South wind around 5 mph.
Friday
Sunny, with a high near 87.
Friday Night
Clear, with a low around 58.
Saturday
Sunny, with a high near 91.
Saturday Night
Clear, with a low around 60.
Sunday
Sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Collinsville TX
 33.55°N 96.9°W (Elev. 696 ft)
Last Update:
1:26 am CDT Mar 16, 2026
Forecast Valid:
4am CDT Mar 16, 2026-6pm CDT Mar 22, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation