National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Mostly Cloudy

88°F

31°C

Humidity 70%
Wind Speed SE 12 mph
Barometer 30.04 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 24 Jul 12:50 pm CDT
Extended Forecast for

Gunter TX

Heat Advisory July 24, 01:09pm until July 25, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 24, 01:09pm until July 25, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 95 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 79. South wind around 10 mph.

    Low: 79 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 97. Heat index values as high as 104. South southwest wind around 10 mph.

    High: 97 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 79. South wind 5 to 10 mph.

    Low: 79 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 100. South southwest wind around 10 mph.

    High: 100 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 80. South wind 5 to 10 mph.

    Low: 80 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 100. South southwest wind around 10 mph.

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 80. South wind 5 to 10 mph.

    Low: 80 °F

    Clear

Detailed Forecast

This Afternoon
Partly sunny, with a high near 95. Heat index values as high as 105. South wind around 10 mph.
Tonight
Partly cloudy, with a low around 79. South wind around 10 mph.
Saturday
Mostly sunny, with a high near 97. Heat index values as high as 104. South southwest wind around 10 mph.
Saturday Night
Mostly clear, with a low around 79. South wind 5 to 10 mph.
Sunday
Sunny and hot, with a high near 100. South southwest wind around 10 mph.
Sunday Night
Clear, with a low around 80. South wind 5 to 10 mph.
Monday
Sunny and hot, with a high near 100. South southwest wind around 10 mph.
Monday Night
Clear, with a low around 80. South wind 5 to 10 mph.
Tuesday
Sunny and hot, with a high near 101. South southwest wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 81.
Wednesday
Sunny and hot, with a high near 102.
Wednesday Night
Mostly clear, with a low around 81.
Thursday
Sunny and hot, with a high near 102.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gunter TX
 33.46°N 96.73°W (Elev. 797 ft)
Last Update:
1:02 pm CDT Jul 24, 2026
Forecast Valid:
1pm CDT Jul 24, 2026-6pm CDT Jul 30, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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