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

40°F

4°C

Humidity 100%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 8 Mar 6:15 am CDT
Extended Forecast for

3 Miles SW Colbert OK

  • Today

    Today: Sunny, with a high near 72. Light and variable wind.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 55. Calm wind becoming south around 5 mph after midnight.

    Low: 55 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 81. South southwest wind 5 to 13 mph, with gusts as high as 20 mph.

    High: 81 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 66. South wind 8 to 10 mph.

    Low: 66 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 77. South wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.

    High: 77 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 58. Chance of precipitation is 90%.

    Low: 58 °F

    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 1pm. Mostly sunny, with a high near 71.

    High: 71 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 72. Light and variable wind.
Tonight
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 55. Calm wind becoming south around 5 mph after midnight.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 81. South southwest wind 5 to 13 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 66. South wind 8 to 10 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 77. South wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 58. Chance of precipitation is 90%.
Wednesday
A 30 percent chance of showers, mainly before 1pm. Mostly sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 40.
Thursday
Sunny, with a high near 66.
Thursday Night
Clear, with a low around 48.
Friday
Sunny, with a high near 77.
Friday Night
Clear, with a low around 53.
Saturday
Sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Colbert OK
 33.82°N 96.53°W
Last Update:
12:27 am CST Mar 8, 2026
Forecast Valid:
6am CDT Mar 8, 2026-6pm CDT Mar 14, 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