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Hazardous Weather Conditions

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

79°F

26°C

Humidity 79%
Wind Speed E 6 mph
Barometer 30.01 in
Dewpoint 72°F (22°C)
Visibility 9.00 mi
Heat Index82°F (28°C)
Last update 13 Sep 7:00 am CDT
Extended Forecast for

Howe TX

Heat Advisory September 13, 07:49am until September 13, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 13, 07:49am until September 13, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • Today

    High: 98 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 77. South southeast wind around 10 mph.

    Low: 77 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 98. Heat index values as high as 103. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 98 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 77. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100. South wind around 10 mph, with gusts as high as 20 mph.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. South southeast wind around 10 mph.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 97. South wind 5 to 10 mph.

    High: 97 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. South wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 98. Heat index values as high as 104. South wind 5 to 10 mph.
Tonight
Clear, with a low around 77. South southeast wind around 10 mph.
Monday
Sunny, with a high near 98. Heat index values as high as 103. South wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Clear, with a low around 77. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny and hot, with a high near 100. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 77. South southeast wind around 10 mph.
Wednesday
Sunny, with a high near 97. South wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 77. South wind 5 to 10 mph.
Thursday
Sunny, with a high near 96. South wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 75.
Friday
Sunny, with a high near 95.
Friday Night
Mostly clear, with a low around 71.
Saturday
Sunny, with a high near 91.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Howe TX
 33.5°N 96.63°W (Elev. 814 ft)
Last Update:
6:06 am CDT Sep 13, 2026
Forecast Valid:
7am CDT Sep 13, 2026-6pm CDT Sep 19, 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