Dallas/ Weather & Environment

Dallas Sizzles in Sleepless Heat Wave as 100-Degree Days Grip the City

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Published on August 14, 2026
Dallas Sizzles in Sleepless Heat Wave as 100-Degree Days Grip the CitySource: IcedCowboyCoffee, CC0, via Wikimedia Commons

Dallas is heading into a punishing stretch of summer heat, with clear skies this morning and temperatures already around 82 degrees at Love Field. The city is forecast to climb to about 102 degrees this afternoon, while the heat index could reach 106. The bigger problem is that the heat barely lets up after sunset.

Heat Advisory Covers Friday Afternoon

The National Weather Service has a Heat Advisory in effect through 8 p.m. today, with heat index values as high as 107. South winds will run 10 to 15 mph, with gusts reaching 25 mph, adding another layer of discomfort during the hottest part of the day.

Tonight will stay mostly clear, but the low will only fall to around 80 degrees. That limited overnight cooldown matters, especially for people working outdoors, exercising, or living without reliable air conditioning.

Triple-Digit Heat Builds Through Tuesday

Tomorrow is expected to be just as hot, with a high near 102 and heat index values up to 109. Next Sunday should reach 103, followed by highs around 104 on both Monday and Tuesday.

Overnight lows will remain near 81 or 82 degrees through the middle of next week, keeping homes, pavement and bodies from getting much of a reset. The forecast stays sunny and dry, with little to no rain expected across the Dallas area through at least Thursday.

This is a substantial step up from the late-July heat stretch covered in earlier Hoodline coverage, with the latest outlook pointing to several consecutive days at or above 103 degrees.

Dry Weather Raises Fire Concerns

The combination of hot temperatures, low afternoon humidity, breezy south winds and dry vegetation is also raising fire-weather concerns across North and Central Texas. The threat is expected to be more noticeable in western and northwestern parts of the region, where fuels are especially dry.

Rain chances are effectively absent from the near-term forecast, so outdoor burning and activities that can create sparks deserve extra caution. Even a small ignition can spread quickly when heat, wind, and dry ground team up.

How Dallas Residents Can Stay Safer

Drink plenty of water, use air conditioning or seek a cool indoor space, and move strenuous outdoor work to early morning or evening when possible. Lightweight clothing, frequent breaks in shade, and regular check-ins with older neighbors can help reduce the risk of heat illness.

Children and pets should never be left unattended in vehicles, even for a short errand. Anyone showing signs of heat stroke should be moved to a cool place immediately, and 911 should be called because heat stroke is an emergency.

Dallas-Weather & Environment