Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

82°F

28°C

Humidity 62%
Wind Speed S 7 mph
Barometer 29.96 in
Dewpoint 68°F (20°C)
Visibility 8.00 mi
Heat Index85°F (29°C)
Last update 4 Aug 8:50 am CDT
Extended Forecast for

Pottsboro TX

  • Today

    Today: Sunny and hot, with a high near 100. South wind 5 to 10 mph.

    High: 100 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 76. South southeast wind around 5 mph.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 101. South wind 5 to 10 mph.

    High: 101 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 78. South southeast wind 5 to 10 mph.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 98. South southwest wind 5 to 10 mph.

    High: 98 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78. South southeast wind 5 to 10 mph.

    Low: 78 °F

    Mostly Clear

  • Friday

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

    High: 98 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. South southeast wind around 5 mph.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 97. South wind around 5 mph.

    High: 97 °F

    Sunny

Detailed Forecast

Today
Sunny and hot, with a high near 100. South wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 76. South southeast wind around 5 mph.
Wednesday
Sunny and hot, with a high near 101. South wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 78. South southeast wind 5 to 10 mph.
Thursday
Sunny, with a high near 98. South southwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 78. South southeast wind 5 to 10 mph.
Friday
Sunny, with a high near 98. South southwest wind around 5 mph.
Friday Night
Mostly clear, with a low around 76. South southeast wind around 5 mph.
Saturday
Sunny, with a high near 97. South wind around 5 mph.
Saturday Night
Mostly clear, with a low around 76.
Sunday
Sunny, with a high near 97.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny, with a high near 97.
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ABOUT THIS FORECAST

 
Point Forecast:
Pottsboro TX
 33.8°N 96.68°W (Elev. 751 ft)
6:06 am CDT Aug 4, 2026
9am CDT Aug 4, 2026-6pm CDT Aug 10, 2026
 
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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