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

70°F

21°C

Humidity 88%
Wind Speed S 18 G 26 mph
Barometer 29.90 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 3 Apr 6:50 am CDT
Extended Forecast for

Sherman TX

  • Today

    Today: A 40 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 82. South wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 82 °F

    Cloudy then
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10pm. Some of the storms could produce heavy rainfall. Low around 54. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 54 °F

    Showers then
    Heavy Rain

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 66. North wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.

    High: 66 °F

    T-storms then
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46. North wind 5 to 10 mph.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 68. Northeast wind 5 to 10 mph.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 47. Northeast wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 70. Calm wind becoming east around 5 mph in the afternoon.

    High: 70 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. East wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70. Southeast wind 5 to 10 mph.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 82. South wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10pm. Some of the storms could produce heavy rainfall. Low around 54. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Saturday
Showers and possibly a thunderstorm. High near 66. North wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Saturday Night
Partly cloudy, with a low around 46. North wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 68. Northeast wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 47. Northeast wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 70. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 46. East wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 70. Southeast wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Partly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sherman TX
 33.62°N 96.57°W (Elev. 715 ft)
Last Update:
6:06 am CDT Apr 3, 2026
Forecast Valid:
7am CDT Apr 3, 2026-6pm CDT Apr 9, 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