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5-day forecast / Dallas, TX

MondaySunny102° / 80° 7%
TuesdaySunny100° / 80°
WednesdaySunny100° / 80° 1%
ThursdaySunny99° / 79° 7%
FridaySunny99° / 77° 3%

Dallas Heat Advisory: Dangerous Heat Index Values Expected Through Tomorrow - Sep 13, 2 PM

Dallas weather, updated every four hours — local forecasts you can trust.

Dallas is under a Heat Advisory as air temperatures hit 99F and feel like 102F. Sunny skies and high heat index values are expected today and tomorrow.

Demarcus Lindgren

September 13, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Sep 13, 2 PM local time.*

Dangerous Heat Conditions

A Heat Advisory is currently active for the Dallas area, signaling dangerous heat conditions that residents should take seriously. It is currently Sunday this afternoon, and the air temperature stands at 99F. Due to the combination of heat and humidity, the feels-like temperature is 102F.

The relative humidity is 33%, with a dew point of 64F. Winds are blowing from the south southeast at 11 mph, with gusts reaching 18 mph. The sky is clear, allowing direct sunlight to intensify the heat.

Forecast Outlook

Today will remain sunny, with a high near 102F and a low near 81F. The chance of precipitation is minimal at 4%. Heat index values are expected to reach as high as 107F. Tonight, skies will be mostly clear with a low around 81F. Heat index values may still reach 104F, and winds will shift to 5 to 10 mph from the south southeast.

Tomorrow will follow a similar pattern, staying sunny with a high near 102F and a low near 80F. The chance of rain is 7%. Heat index values are forecast to peak at 105F.

Winds will be from the south at 5 to 10 mph, with gusts as high as 25 mph. Tomorrow night will be mostly clear, with temperatures dipping to 80F before rising to around 82F. Heat index values could reach 102F, with south winds around 10 mph and gusts up to 20 mph.

Safety Reminders

Given the active Heat Advisory, it is crucial to stay hydrated and limit outdoor exertion during the hottest parts of the day. Check on elderly neighbors and those without access to air conditioning. Avoid leaving pets or children in parked vehicles, as temperatures can rise rapidly. Stay informed of the latest weather updates from local authorities.

National Weather Service radar for North Texas (KFWS)

Sources

National Weather Service radar

National Weather Service forecast data

Open-Meteo weather data

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Demarcus Lindgren

Demarcus Lindgren covers weather, storms, and seasonal life around Dallas.

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