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.

Overcast

82°F

28°C

Humidity 66%
Wind Speed S 16 mph
Barometer 30.10 in
Dewpoint 70°F (21°C)
Visibility 9.00 mi
Heat Index86°F (30°C)
Last update 25 Jul 8:50 am CDT
Extended Forecast for

3 Miles S McBride OK

Heat Advisory July 25, 12:00pm until July 25, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny, with a high near 95. Heat index values as high as 101. South southwest wind 5 to 10 mph.

    High: 95 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 82. South wind 5 to 10 mph.

    Low: 82 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 97. Heat index values as high as 101. Southwest wind 5 to 10 mph.

    High: 97 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 81. South wind 5 to 10 mph.

    Low: 81 °F

    Mostly Clear

  • Monday

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

    High: 97 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 82. South wind 5 to 10 mph.

    Low: 82 °F

    Mostly Clear

  • Tuesday

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

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 82. South wind around 5 mph.

    Low: 82 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 98. South southwest wind around 5 mph.

    High: 98 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 95. Heat index values as high as 101. South southwest wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 82. South wind 5 to 10 mph.
Sunday
Sunny, with a high near 97. Heat index values as high as 101. Southwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 81. South wind 5 to 10 mph.
Monday
Sunny, with a high near 97. South southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 82. South wind 5 to 10 mph.
Tuesday
Sunny and hot, with a high near 99. South southwest wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 82. South wind around 5 mph.
Wednesday
Sunny, with a high near 98. South southwest wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 82.
Thursday
Mostly sunny, with a high near 98.
Thursday Night
Partly cloudy, with a low around 82.
Friday
Mostly sunny, with a high near 97.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S McBride OK
 33.89°N 96.63°W (Elev. 617 ft)
Last Update:
6:06 am CDT Jul 25, 2026
Forecast Valid:
9am CDT Jul 25, 2026-6pm CDT Jul 31, 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