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

Extreme Heat Lingers; Severe Thunderstorms for Portions of the Plains and Southeast; Heavy Rainfall Threats

Gusty winds and heavy rainfall may impact the Big Island of Hawaii as a nearby tropical system passes west of the islands. From the Southwest U.S., Rockies and across the Gulf Coast, heavy rainfall could lead to isolated flash flooding. Severe thunderstorms are expected for areas of the Plains, Gulf Coast and Southeast through Tuesday. Extreme heat lingers for the southern Plains and Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Rockwall Municipal Airport (KF46)

Lat: 32.93°NLon: 96.43°WElev: 564ft.

Overcast

100°F

38°C

Humidity 28%
Wind Speed SW 13 G 18 mph
Barometer 29.97 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 24 Aug 12:15 pm CDT
Extended Forecast for

3 Miles SSE Rowlett TX

Extreme Heat Warning August 24, 12:31pm until August 24, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 24, 12:31pm until August 24, 09:00pm

    NOW until 9:00pm Mon

    Extreme Heat Warning

  • This Afternoon

    High: 103 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 81. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 81 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 102. South southwest wind 10 to 15 mph.

    High: 102 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 81. South wind 10 to 15 mph.

    Low: 81 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 99. South southwest wind 5 to 10 mph becoming northwest in the afternoon.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 78. North northeast wind around 5 mph.

    Low: 78 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 97. North northeast wind 5 to 10 mph.

    High: 97 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 77. East southeast wind around 5 mph.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 103. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 81. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny and hot, with a high near 102. South southwest wind 10 to 15 mph.
Tuesday Night
Mostly clear, with a low around 81. South wind 10 to 15 mph.
Wednesday
Mostly sunny and hot, with a high near 99. South southwest wind 5 to 10 mph becoming northwest in the afternoon.
Wednesday Night
Partly cloudy, with a low around 78. North northeast wind around 5 mph.
Thursday
Sunny, with a high near 97. North northeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 77. East southeast wind around 5 mph.
Friday
Sunny, with a high near 97. Southeast wind around 5 mph.
Friday Night
Mostly clear, with a low around 78.
Saturday
Sunny, with a high near 97.
Saturday Night
Clear, with a low around 78.
Sunday
Sunny, with a high near 98.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Rowlett TX
 32.87°N 96.54°W (Elev. 413 ft)
Last Update:
6:12 am CDT Aug 24, 2026
Forecast Valid:
12pm CDT Aug 24, 2026-6pm CDT Aug 30, 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