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5-day forecast / Dallas, TX

TuesdaySunny100° / 80° 1%
WednesdaySunny101° / 80°
ThursdaySunny100° / 79°
FridaySunny101° / 80°
SaturdaySunny102° / 81°

Dallas Heat Advisory in Effect as Temperatures Climb Near 100 - Aug 11, 8 AM

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

A Heat Advisory is active for Dallas today with highs near 100F and heat indices reaching 107F. Current conditions are hot and humid.

Demarcus Lindgren

August 11, 20262 min read

National Weather Service radar for North Texas (KFWS)
National Weather Service radar for North Texas (KFWS)

*As of Aug 11, 8 AM local time.*

Alert and Current Conditions

A Heat Advisory is currently in effect for the Dallas area, signaling dangerous levels of heat that can lead to heat-related illnesses. The advisory remains active through this evening.

As of Tuesday morning, the air temperature stands at 81F, but the combination of heat and moisture makes it feel like 85F. Humidity levels are notably high, with a relative humidity of 79% and a dew point of 73F. Skies are mostly clear, allowing solar radiation to warm the surface quickly.

Winds are blowing from the south southwest at 6 mph, with gusts reaching up to 20 mph.

Forecast for Today and Tomorrow

Today will be sunny with a high near 100F. The National Weather Service reports heat index values as high as 107 during the peak afternoon hours. South southwest winds will range from 5 to 10 mph, with gusts potentially hitting 20 mph. The chance of precipitation is minimal at just 1%. Temperatures will drop to a low near 80F tonight.

Overnight, skies will remain mostly clear. The low will settle around 80F, though temperatures may rise slightly to around 82F during the night hours. Heat index values could reach as high as 102. South winds will pick up slightly to around 10 mph, with gusts as high as 20 mph.

Tomorrow continues the hot trend with sunny skies and a high near 101F. Heat index values are expected to climb to 104. Winds will increase to 10 to 15 mph from the south, with gusts reaching up to 25 mph.

The chance of rain is 0%. Temperatures will fall to a low near 80F tomorrow night, rising to around 82 overnight, with heat indices up to 103.

Safety Reminder

With temperatures and humidity combining to create extreme heat index values, it is critical to stay hydrated and limit outdoor exertion during the hottest parts of the day. Seek air-conditioned environments when possible and check on neighbors who may be vulnerable to the heat.

National Weather Service radar for North Texas (KFWS)

Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com

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Demarcus Lindgren

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

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