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

Areas of Extreme Heat and Excessive Rainfall Potential

Dangerous and extreme heat will remain across portions of the central U.S. this week, persisting across the mid to lower Mississippi Valley, Gulf Coast, southern Plains and portions of Texas. A heat wave over the Southwest U.S. will peak this weekend. Heavy to excessive rainfall may produce flash flooding from the Delmarva Peninsula north into the Hudson Valley today and tonight. Read More >

Hazardous Weather Conditions

Current conditions at

Dallas / Addison Airport (KADS)

Lat: 32.97°NLon: 96.83°WElev: 643ft.

Clear

99°F

37°C

Humidity 31%
Wind Speed SE 8 mph
Barometer 29.87 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 28 Jul 2:47 pm CDT
Extended Forecast for

Richardson TX

Heat Advisory July 28, 03:12pm until July 29, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 28, 03:12pm until July 29, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 102 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 81. South wind 5 to 10 mph.

    Low: 81 °F

    Mostly Clear

  • Wednesday

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

    High: 101 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 82. South southeast wind 5 to 10 mph.

    Low: 82 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 102. South southwest wind 5 to 10 mph.

    High: 102 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 82. South wind 5 to 10 mph.

    Low: 82 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 103. Southwest wind around 10 mph.

    High: 103 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 83. South southwest wind 5 to 10 mph.

    Low: 83 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 102. Heat index values as high as 111. South wind around 10 mph.
Tonight
Mostly clear, with a low around 81. South wind 5 to 10 mph.
Wednesday
Mostly sunny and hot, with a high near 101. Heat index values as high as 110. South wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 82. South southeast wind 5 to 10 mph.
Thursday
Sunny and hot, with a high near 102. South southwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 82. South wind 5 to 10 mph.
Friday
Sunny and hot, with a high near 103. Southwest wind around 10 mph.
Friday Night
Mostly clear, with a low around 83. South southwest wind 5 to 10 mph.
Saturday
Sunny and hot, with a high near 101. West wind 10 to 15 mph becoming north in the morning. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 76.
Sunday
Sunny, with a high near 97.
Sunday Night
Mostly clear, with a low around 77.
Monday
Sunny and hot, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Richardson TX
 32.96°N 96.7°W (Elev. 630 ft)
Last Update:
1:26 pm CDT Jul 28, 2026
Forecast Valid:
3pm CDT Jul 28, 2026-6pm CDT Aug 3, 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