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

Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

88°F

31°C

Humidity 62%
Wind Speed SW 14 mph
Barometer 30.08 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 19 Jul 10:50 am CDT
Extended Forecast for

Sherman TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 97. Heat index values as high as 105. South southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 97 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 77. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 98. Heat index values as high as 106. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 98 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Monday

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

    High: 98 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 98. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 98 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76. South wind 5 to 10 mph.

    Low: 76 °F

    Mostly Clear

  • Wednesday

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

    High: 99 °F

    Hot

Detailed Forecast

This Afternoon
Sunny, with a high near 97. Heat index values as high as 105. South southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 77. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 98. Heat index values as high as 106. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 77. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 98. South wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 77. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 98. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 76. South wind 5 to 10 mph.
Wednesday
Sunny and hot, with a high near 99. South wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Sunny and hot, with a high near 99.
Thursday Night
Mostly clear, with a low around 76.
Friday
Mostly sunny and hot, with a high near 99.
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ABOUT THIS FORECAST

 
Point Forecast:
Sherman TX
 33.62°N 96.6°W (Elev. 699 ft)
Last Update:
5:23 am CDT Jul 19, 2025
Forecast Valid:
12pm CDT Jul 19, 2025-6pm CDT Jul 25, 2025
 
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