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

Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

89°F

32°C

Humidity 56%
Wind Speed S 15 mph
Barometer 29.82 in
Dewpoint 71°F (22°C)
Visibility 9.00 mi
Heat Index95°F (35°C)
Last update 28 Jun 8:15 pm CDT
Extended Forecast for

3 Miles NNE Tom Bean TX

  • Tonight

    Tonight: Mostly clear, with a low around 77. South wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 96. Heat index values as high as 100. South southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 75. South wind 15 to 20 mph.

    Low: 75 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96. Heat index values as high as 100. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 78. South southeast wind 10 to 15 mph.

    Low: 78 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 97. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 97 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. South southeast wind 10 to 15 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 96. South wind around 10 mph.

    High: 96 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78. Southeast wind around 10 mph.

    Low: 78 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 77. South wind 15 to 20 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 96. Heat index values as high as 100. South southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Clear, with a low around 75. South wind 15 to 20 mph.
Tuesday
Sunny, with a high near 96. Heat index values as high as 100. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Clear, with a low around 78. South southeast wind 10 to 15 mph.
Wednesday
Sunny, with a high near 97. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 76. South southeast wind 10 to 15 mph.
Thursday
Sunny, with a high near 96. South wind around 10 mph.
Thursday Night
Mostly clear, with a low around 78. Southeast wind around 10 mph.
Friday
Sunny, with a high near 97.
Friday Night
Mostly clear, with a low around 77.
Independence Day
Sunny, with a high near 96.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Mostly sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Tom Bean TX
 33.57°N 96.46°W (Elev. 705 ft)
Last Update:
6:06 pm CDT Jun 28, 2026
Forecast Valid:
8pm CDT Jun 28, 2026-6pm CDT Jul 5, 2026
 
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Additional Resources

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