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

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 >

Hazardous Weather Conditions

Current conditions at

Rockwall Municipal Airport (KF46)

Lat: 32.93°NLon: 96.43°WElev: 564ft.

Fair

89°F

32°C

Humidity 54%
Wind Speed SW 5 mph
Barometer 29.98 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 4 Aug 11:35 am CDT
Extended Forecast for

Rowlett TX

  • Today

    Today: Sunny and hot, with a high near 102. Heat index values as high as 105. South southeast wind 5 to 10 mph.

    High: 102 °F

    Hot

  • Tonight

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

    Low: 78 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 100. Heat index values as high as 104. South wind 5 to 10 mph.

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

    High: 100 °F

    Hot

  • Thursday Night

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

    Low: 78 °F

    Mostly Clear

  • Friday

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

    High: 97 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 77. South southeast wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear

  • Saturday

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

    High: 98 °F

    Sunny

Detailed Forecast

Today
Sunny and hot, with a high near 102. Heat index values as high as 105. South southeast wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 78. South southeast wind 5 to 10 mph.
Wednesday
Sunny and hot, with a high near 100. Heat index values as high as 104. South wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 78. South southeast wind 5 to 10 mph.
Thursday
Sunny and hot, with a high near 100. South wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 78. South southeast wind around 10 mph.
Friday
Sunny, with a high near 97. South wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 77. South southeast wind 5 to 10 mph.
Saturday
Sunny, with a high near 98. South wind around 5 mph.
Saturday Night
Mostly clear, with a low around 77.
Sunday
Sunny, with a high near 98.
Sunday Night
Mostly clear, with a low around 77.
Monday
Sunny, with a high near 98.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rowlett TX
 32.92°N 96.56°W (Elev. 499 ft)
Last Update:
11:31 am CDT Aug 4, 2026
Forecast Valid:
11am CDT Aug 4, 2026-6pm CDT Aug 10, 2026
 
Forecast Discussion
 
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Additional Resources

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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