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

Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Rockwall Municipal Airport (KF46)

Lat: 32.93°NLon: 96.43°WElev: 564ft.

Fair

88°F

31°C

Humidity 48%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 26 Aug 10:55 pm CDT
Extended Forecast for

Rowlett TX

Heat Advisory August 26, 10:59pm until August 27, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 26, 10:59pm until August 27, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • Tonight

    Low: 78 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 101. Heat index values as high as 110. North northeast wind 5 to 10 mph.

    High: 101 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 77. Northeast wind 5 to 10 mph becoming southeast after midnight.

    Low: 77 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and hot, with a high near 99. Heat index values as high as 107. East wind around 5 mph.

    High: 99 °F

    Hot

  • Friday Night

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

    Low: 77 °F

    Mostly Clear

  • Saturday

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

    High: 100 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 78. Southeast wind around 10 mph.

    Low: 78 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 100. South wind around 10 mph.

    High: 100 °F

    Hot

Detailed Forecast

Tonight
A 20 percent chance of showers. Partly cloudy, with a low around 78. North wind around 5 mph becoming calm after midnight.
Thursday
Mostly sunny and hot, with a high near 101. Heat index values as high as 110. North northeast wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 77. Northeast wind 5 to 10 mph becoming southeast after midnight.
Friday
Sunny and hot, with a high near 99. Heat index values as high as 107. East wind around 5 mph.
Friday Night
Mostly clear, with a low around 77. Southeast wind 5 to 10 mph.
Saturday
Sunny and hot, with a high near 100. South wind 5 to 10 mph.
Saturday Night
Clear, with a low around 78. Southeast wind around 10 mph.
Sunday
Sunny and hot, with a high near 100. South wind around 10 mph.
Sunday Night
Clear, with a low around 77. South southeast wind around 10 mph.
Monday
Sunny and hot, with a high near 99.
Monday Night
Mostly clear, with a low around 78.
Tuesday
Sunny and hot, with a high near 99.
Tuesday Night
Mostly clear, with a low around 78.
Wednesday
Sunny and hot, with a high near 100.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rowlett TX
 32.92°N 96.54°W (Elev. 449 ft)
Last Update:
9:26 pm CDT Aug 26, 2026
Forecast Valid:
10pm CDT Aug 26, 2026-6pm CDT Sep 2, 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