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.

Mostly Cloudy

81°F

27°C

Humidity 58%
Wind Speed S 20 mph
Barometer 29.96 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 4 Mar 2:50 pm CST
Extended Forecast for

2 Miles WNW Denison TX

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly after 3pm. Mostly cloudy, with a high near 76. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms, mainly before midnight, then showers likely and possibly a thunderstorm after midnight. Low around 62. West southwest wind around 5 mph becoming south after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 62 °F

    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Cloudy, then gradually becoming mostly sunny, with a high near 76. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South southeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 64 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms, mainly after noon. High near 76. South wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    High: 76 °F

    Chance
    Showers then
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm after midnight. Low around 54. South wind 10 to 15 mph becoming northwest after midnight. Chance of precipitation is 80%.

    Low: 54 °F

    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. Mostly cloudy, with a high near 65. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 65 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 50. North wind 5 to 10 mph.

    Low: 50 °F

    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers. Mostly cloudy, with a high near 66. North wind around 5 mph becoming south southwest in the afternoon.

    High: 66 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly after 3pm. Mostly cloudy, with a high near 76. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms, mainly before midnight, then showers likely and possibly a thunderstorm after midnight. Low around 62. West southwest wind around 5 mph becoming south after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Cloudy, then gradually becoming mostly sunny, with a high near 76. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South southeast wind around 15 mph, with gusts as high as 25 mph.
Friday
Showers and thunderstorms, mainly after noon. High near 76. South wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Friday Night
Showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm after midnight. Low around 54. South wind 10 to 15 mph becoming northwest after midnight. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. Mostly cloudy, with a high near 65. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 50. North wind 5 to 10 mph.
Sunday
A 20 percent chance of showers. Mostly cloudy, with a high near 66. North wind around 5 mph becoming south southwest in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 56.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 75.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Tuesday
Showers and possibly a thunderstorm. High near 75. Chance of precipitation is 80%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Denison TX
 33.78°N 96.6°W (Elev. 702 ft)
Last Update:
12:33 pm CST Mar 4, 2026
Forecast Valid:
2pm CST Mar 4, 2026-6pm CDT Mar 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation