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

72°F

22°C

Humidity 84%
Wind Speed S 14 mph
Barometer 29.88 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 9 Mar 9:55 pm CDT
Extended Forecast for

Tom Bean TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 67. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 67 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Cloudy, with a high near 78. South wind 15 to 20 mph, with gusts as high as 30 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 61. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 61 °F

    Showers
    Likely then
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. South southeast wind 10 to 20 mph becoming north in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 73 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 1am. Mostly clear, with a low around 42. North wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 42 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 64. North wind 5 to 10 mph becoming south southeast in the afternoon.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 47. South wind 5 to 10 mph.

    Low: 47 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 75. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 54. South wind around 10 mph.

    Low: 54 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 67. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Cloudy, with a high near 78. South wind 15 to 20 mph, with gusts as high as 30 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm. Low around 61. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. South southeast wind 10 to 20 mph becoming north in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A 20 percent chance of showers before 1am. Mostly clear, with a low around 42. North wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 64. North wind 5 to 10 mph becoming south southeast in the afternoon.
Thursday Night
Clear, with a low around 47. South wind 5 to 10 mph.
Friday
Sunny, with a high near 75. South wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Clear, with a low around 54. South wind around 10 mph.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Mostly cloudy, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tom Bean TX
 33.53°N 96.49°W (Elev. 755 ft)
Last Update:
6:33 pm CDT Mar 9, 2026
Forecast Valid:
10pm CDT Mar 9, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation