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Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Sherman TX

  • Overnight

    Overnight: Partly cloudy, with a low around 68. Calm wind becoming south around 5 mph.

    Low: 68 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms between 1pm and 4pm. Mostly cloudy through mid morning, then gradual clearing, with a high near 89. Heat index values as high as 97. South southwest wind around 5 mph. Chance of precipitation is 20%.

    High: 89 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Increasing clouds, with a low around 74. South southeast wind around 5 mph.

    Low: 74 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 91. Heat index values as high as 105. South wind around 5 mph.

    High: 91 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 73. South wind around 5 mph.

    Low: 73 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. South southwest wind around 5 mph.

    High: 89 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74. South wind around 5 mph.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 91. South wind 5 to 10 mph.

    High: 91 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South wind 5 to 10 mph.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 68. Calm wind becoming south around 5 mph.
Friday
A slight chance of showers and thunderstorms between 1pm and 4pm. Mostly cloudy through mid morning, then gradual clearing, with a high near 89. Heat index values as high as 97. South southwest wind around 5 mph. Chance of precipitation is 20%.
Friday Night
Increasing clouds, with a low around 74. South southeast wind around 5 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 91. Heat index values as high as 105. South wind around 5 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 73. South wind around 5 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. South southwest wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 74. South wind around 5 mph.
Monday
Mostly sunny, with a high near 91. South wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 75. South wind 5 to 10 mph.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 75.
Juneteenth
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sherman TX
 33.64°N 96.6°W (Elev. 732 ft)
Last Update:
12:33 am CDT Jun 13, 2025
Forecast Valid:
2am CDT Jun 13, 2025-6pm CDT Jun 19, 2025
 
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