Dallas

Dallas Sizzles As 100-Degree Heat Parks Over The City

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Published on July 18, 2026
Dallas Sizzles As 100-Degree Heat Parks Over The CitySource: IcedCowboyCoffee, CC0, via Wikimedia Commons

Dallas started today on a warm note, waking up to clear skies, sticky humidity, and early morning readings around 81°F. The National Weather Service says the weekend will stay hot and mostly dry, with a high near 97°F on Saturday and only slight relief after sunset as lows linger in the upper 70s. South winds will run from light to breezy with afternoon gusts up to 20 mph, so anyone planning outdoor time will want shade, water and a good exit plan back to air conditioning. With temperatures climbing again next week, this is the time to shift errands and workouts to the coolest parts of the day.

Forecast Snapshot

Today: Mostly sunny with a high near 97°F and heat-index values up to 102°F, with south winds of 5 to 10 mph and gusts that could reach 20 mph. Tonight stays mostly clear with a low around 78°F. Tomorrow turns sunnier and a bit hotter with a high near 98°F, and next Monday pushes the high to about 100°F. Temperatures move into the lower 100s next Tuesday and could top out near 104°F next Wednesday, according to NWS Fort Worth.

Heat Through Next Week

The warming trend means nights will not offer much of a break, with overnight lows near 80°F likely by mid-week, which can make cooling off a challenge for many households. Forecasters say a Heat Advisory may be needed by mid-week if the hottest numbers materialize. Anyone with outdoor work on the calendar should move it to the morning or evening hours whenever possible.

Where To Cool Off

The City of Dallas is pointing residents to public facilities such as libraries, recreation centers and selected community centers as temporary cooling options during their regular business hours. The city’s cooling centers listing includes sites like the West Dallas Multipurpose Center and the Martin Luther King Jr. Community Center. If you plan to rely on one of these public spaces, call ahead to double-check hours and any eligibility requirements, and look for updates on the city’s website at City of Dallas.

Heat Safety

Residents are urged to drink plenty of non-caffeinated fluids, steer clear of strenuous activity from roughly 11 a.m. to 4 p.m., and regularly check on older neighbors, children and pets. Never leave a child or pet in a parked car, even briefly. Seek air conditioning if you start to feel dizzy, nauseated or disoriented, which can signal heat illness. If someone shows possible heat-stroke symptoms such as a very high body temperature, confusion or fainting, call 911 right away.

Dallas-Weather & Environment