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.

A Few Clouds and Breezy

86°F

30°C

Humidity 59%
Wind Speed S 21 G 32 mph
Barometer 29.82 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 18 May 5:50 pm CDT
Extended Forecast for

2 Miles N Pottsboro TX

  • Tonight

    Tonight: Increasing clouds, with a low around 73. South wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 73 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then a chance of showers and thunderstorms after 4pm. High near 83. South wind 10 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 83 °F

    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 64. Northeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Northeast wind 5 to 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. East northeast wind 5 to 10 mph. Chance of precipitation is 70%.

    Low: 64 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 76. East southeast wind 5 to 10 mph. Chance of precipitation is 80%.

    High: 76 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. South southeast wind around 5 mph. Chance of precipitation is 70%.

    Low: 64 °F

    Showers
    Likely

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 81. South wind around 5 mph.

    High: 81 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. South southeast wind around 5 mph.

    Low: 66 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Increasing clouds, with a low around 73. South wind 15 to 20 mph, with gusts as high as 25 mph.
Tuesday
A chance of showers and thunderstorms before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then a chance of showers and thunderstorms after 4pm. High near 83. South wind 10 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 64. Northeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Northeast wind 5 to 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. East northeast wind 5 to 10 mph. Chance of precipitation is 70%.
Thursday
Showers and possibly a thunderstorm. High near 76. East southeast wind 5 to 10 mph. Chance of precipitation is 80%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. South southeast wind around 5 mph. Chance of precipitation is 70%.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 81. South wind around 5 mph.
Friday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. South southeast wind around 5 mph.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 80.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Memorial Day
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Pottsboro TX
 33.8°N 96.68°W (Elev. 751 ft)
Last Update:
6:12 pm CDT May 18, 2026
Forecast Valid:
6pm CDT May 18, 2026-6pm CDT May 25, 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