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5-day forecast / Dallas, TX

SundaySunny99° / 80° 3%
MondaySunny100° / 80°
TuesdaySunny100° / 80°
WednesdaySunny100° / 80°
ThursdaySunny102° / 79°

Dallas Heat and Humidity Rise to Near 100 Degrees - Aug 9, 8 AM

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

Temperatures in Dallas are climbing toward triple digits today, with heat indices reaching 103 degrees. High humidity lingers as skies remain clear.

Demarcus Lindgren

August 9, 20262 min read

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

*As of Aug 9, 8 AM local time.*

Rising Temperatures and Heavy Humidity

Dallas is bracing for a significant spike in heat this weekend, with conditions becoming increasingly oppressive. The air feels heavy right now, marked by a dew point of 72F and relative humidity at 74%. This moisture level creates a muggy atmosphere that makes the current air temperature of 81F feel much warmer, registering at 85F.

Winds are currently light at 6 mph, though they have been gusting up to 19 mph.

Weekend Forecast: Triple Digits Ahead

The heat will intensify significantly over the next two days. Today is expected to be sunny with a high near 99F. The National Weather Service indicates that heat index values will climb as high as 103 due to the combination of heat and humidity.

South winds will blow between 5 to 10 mph. There is only a 3% chance of precipitation, so skies will remain clear.

Tonight will bring little relief from the warmth. Conditions will stay clear with a low around 80F. The muggy air persists, keeping heat index values as high as 103. South winds will continue at 5 to 10 mph.

Tomorrow looks even hotter. Expect another sunny day with a high near 100F. The heat index is forecast to reach 103 once again. Winds from the south will range from 5 to 10 mph, with gusts potentially hitting 20 mph. There is no chance of rain, with precipitation at 0%.

Safety Reminders

With temperatures and humidity levels this high, it is crucial to take precautions against heat-related illnesses. Stay hydrated by drinking plenty of water throughout the day, even if you do not feel thirsty. Limit outdoor exertion during the hottest parts of the afternoon when the sun is most intense.

If you must be outside, seek air-conditioned spaces whenever possible and check on elderly neighbors or those who may be vulnerable to extreme heat. Keep an eye on how your body feels, as the high humidity can make the heat feel more dangerous than the actual temperature suggests.

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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