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

Threats of Heavy Rainfall, Severe Thunderstorms and Dangerous Heat

Several complexes of thunderstorms, some severe with heavy rainfall, will impact areas from the northern Plains, Great Lakes, Ohio Valley to the mid-Atlantic. This threat will shift toward the Carolinas on Friday. Heavy rainfall, remnants of Edouard, continues for portions of eastern Texas through today. In-between these systems, a dome of high pressure and heat for central and eastern states. Read More >

Current conditions at

Rockwall Municipal Airport (KF46)

Lat: 32.93°NLon: 96.43°WElev: 564ft.

Fair

88°F

31°C

Humidity 55%
Wind Speed SE 10 G 16 mph
Barometer 29.88 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 3 Sep 6:35 pm CDT
Extended Forecast for

Rockwall TX

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers after 1am. Partly cloudy, with a low around 74. South southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 74 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 94. Heat index values as high as 105. South wind 5 to 10 mph.

    High: 94 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. South southeast wind 5 to 10 mph.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 96. Heat index values as high as 109. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 98. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 98 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 78. Southeast wind around 5 mph becoming calm after midnight.

    Low: 78 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny and hot, with a high near 99. Light south wind becoming southeast 5 to 10 mph in the afternoon.

    High: 99 °F

    Hot

  • Monday Night

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

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers after 1am. Partly cloudy, with a low around 74. South southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 94. Heat index values as high as 105. South wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 76. South southeast wind 5 to 10 mph.
Saturday
Sunny, with a high near 96. Heat index values as high as 109. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 98. Calm wind becoming east southeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 78. Southeast wind around 5 mph becoming calm after midnight.
Labor Day
Sunny and hot, with a high near 99. Light south wind becoming southeast 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 77. South wind 5 to 10 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 98.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
Sunny, with a high near 97.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Sunny, with a high near 97.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rockwall TX
 32.94°N 96.46°W (Elev. 548 ft)
Last Update:
6:06 pm CDT Sep 3, 2026
Forecast Valid:
6pm CDT Sep 3, 2026-6pm CDT Sep 10, 2026
 
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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