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5-day forecast / Dallas, TX

TuesdaySunny101° / 81°
WednesdaySunny100° / 80° 2%
ThursdayMostly Sunny100° / 79° 6%
FridaySunny100° / 78° 2%
SaturdaySunny100° / 78°

Dallas Heat Advisory: Dangerous Heat Index Expected Through Tomorrow - Sep 15, 2 PM

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

A Heat Advisory is active for Dallas as temperatures reach 99F with a feels-like of 103F. Sunny skies and high heat indices continue through tomorrow.

Demarcus Lindgren

September 15, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Sep 15, 2 PM local time.*

Dangerous Heat Conditions

A Heat Advisory is currently in effect for the Dallas area, signaling dangerous heat conditions that residents should take seriously. As of this afternoon, the air temperature stands at 99F, but the combination of heat and humidity creates a feels-like temperature of 103F. The relative humidity is 35%, and the dew point is 66F.

Winds are blowing from the south at 9 mph, with gusts reaching 13 mph, under a mostly clear sky. This level of heat poses significant risks to anyone spending time outdoors, particularly during the peak afternoon hours.

Forecast Outlook

The heat is not expected to break soon. Today’s high will reach near 101F, with a low of 81F. The National Weather Service notes that heat index values could climb as high as 107F.

There is no chance of precipitation, and sunny conditions will persist. Tonight, skies will remain clear, with temperatures dipping to around 81F before rising to 83F overnight. Heat index values may reach 104F.

Winds will shift to the south-southeast at 5 to 10 mph, with gusts up to 20 mph.

Tomorrow will bring similar conditions, with a high near 100F and a low of 80F. Sunny skies are expected, and heat index values could reach 106F. Winds will be from the south at 5 to 10 mph. The chance of precipitation is minimal at 2%. This pattern of intense heat and dry conditions will continue, requiring residents to remain vigilant.

Safety Reminders

Given the active Heat Advisory, it is crucial to take precautions. Stay hydrated by drinking water regularly, even if you do not feel thirsty. Limit outdoor exertion during the hottest parts of the day.

Check on elderly neighbors or those without access to air conditioning. If you must be outside, wear light-colored, loose-fitting clothing and use sunscreen. Be aware of the signs of heat exhaustion and heat stroke, and seek medical attention if symptoms occur.

The NWS Fort Worth has issued this advisory to ensure public safety during this period of extreme heat.

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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