Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

A Few Clouds

99°F

37°C

Humidity 29%
Wind Speed S 8 mph
Barometer 30.13 in
Dewpoint 61°F (16°C)
Visibility 9.00 mi
Heat Index100°F (38°C)
Last update 16 Sep 4:55 pm CDT
Extended Forecast for

3 Miles W Luella TX

Heat Advisory September 16, 05:37pm until September 16, 08:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory September 16, 05:37pm until September 16, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Tonight

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 99. Heat index values as high as 106. South wind around 5 mph.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. Southeast wind around 5 mph.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 99. Light south wind increasing to 5 to 10 mph in the afternoon.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 75. South southeast wind around 5 mph.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 99. South wind 5 to 10 mph.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 75. South wind 5 to 10 mph.

    Low: 75 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 98. South wind 5 to 10 mph.

    High: 98 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 77. South southeast wind 5 to 10 mph.
Thursday
Mostly sunny and hot, with a high near 99. Heat index values as high as 106. South wind around 5 mph.
Thursday Night
Mostly clear, with a low around 76. Southeast wind around 5 mph.
Friday
Sunny and hot, with a high near 99. Light south wind increasing to 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 75. South southeast wind around 5 mph.
Saturday
Sunny and hot, with a high near 99. South wind 5 to 10 mph.
Saturday Night
Clear, with a low around 75. South wind 5 to 10 mph.
Sunday
Sunny, with a high near 98. South wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 74. South wind around 5 mph.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 93. Chance of precipitation is 40%.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 69.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Luella TX
 33.57°N 96.6°W (Elev. 666 ft)
1:26 pm CDT Sep 16, 2026
5pm CDT Sep 16, 2026-6pm CDT Sep 23, 2026
 
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Additional Resources

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Hourly Weather Forecast

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