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

Lala Impacting Hawaii; Severe Thunderstorm and Flash Flooding Risks; Excessive Heat

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorm, heavy rainfall, and flash flooding threats continue from the Midwest to the Mid-Atlantic and across the central High Plains. Record heat continues for areas of the central/southern Plain into the Southeast Read More >

Hazardous Weather Conditions

Current conditions at

Rockwall Municipal Airport (KF46)

Lat: 32.93°NLon: 96.43°WElev: 564ft.

Fair

87°F

31°C

Humidity 37%
Wind Speed NA
Barometer 30.04 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 16 Aug 11:35 pm CDT
Extended Forecast for

Rockwall TX

Heat Advisory August 16, 11:54pm until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 16, 11:54pm until August 17, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Tonight

    Low: 78 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 104. Heat index values as high as 107. Southwest wind 5 to 10 mph.

    High: 104 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 79. South southwest wind 5 to 10 mph.

    Low: 79 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 103. Heat index values as high as 110. Southwest wind 5 to 10 mph.

    High: 103 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 80. South wind around 10 mph.

    Low: 80 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 102. Southwest wind around 10 mph.

    High: 102 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 79. South wind around 10 mph.

    Low: 79 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 103. South southwest wind 5 to 10 mph.

    High: 103 °F

    Hot

Detailed Forecast

Tonight
Clear, with a low around 78. South wind 5 to 10 mph.
Monday
Sunny and hot, with a high near 104. Heat index values as high as 107. Southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 79. South southwest wind 5 to 10 mph.
Tuesday
Sunny and hot, with a high near 103. Heat index values as high as 110. Southwest wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 80. South wind around 10 mph.
Wednesday
Sunny and hot, with a high near 102. Southwest wind around 10 mph.
Wednesday Night
Mostly clear, with a low around 79. South wind around 10 mph.
Thursday
Sunny and hot, with a high near 103. South southwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 78. South wind 5 to 10 mph.
Friday
Sunny and hot, with a high near 101.
Friday Night
Mostly clear, with a low around 77.
Saturday
Sunny and hot, with a high near 101.
Saturday Night
Clear, with a low around 77.
Sunday
Sunny and hot, with a high near 101.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rockwall TX
 32.92°N 96.46°W (Elev. 558 ft)
Last Update:
6:12 pm CDT Aug 16, 2026
Forecast Valid:
11pm CDT Aug 16, 2026-6pm CDT Aug 23, 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