Dallas

Dallas Sizzles as Heat Index Nears 112, City Scrambles for Cool Spots

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Published on July 21, 2026
Dallas Sizzles as Heat Index Nears 112, City Scrambles for Cool SpotsSource: Ryan Duffy on Unsplash

Dallas woke up in the sauna today. Skies are clear, temperatures are already hovering near 84°F early in the morning, and forecasters say this is just the warm‑up. Afternoon highs are expected to top out near 104°F, with humidity pushing the heat index into the low 110s in some spots. Officials are blunt about it: this is a dangerous day to be outside without solid access to air conditioning.

Extreme Heat Warning And What It Means

The National Weather Service in Fort Worth has issued an Extreme Heat Warning for part of North Texas from noon to 8 p.m. CDT today, with heat‑index values forecast to reach up to 112°F, according to NWS Fort Worth. The warning zeroes in on areas near and east of I‑35 and north of I‑20, where the most punishing readings are expected.

During the warning period, residents are urged to take extra precautions: drink plenty of water, stay out of direct sun when possible, and move strenuous work or exercise into the cooler parts of the day.

When To Avoid The Outdoors

If you can, plan your day so you are not doing anything intense outside during the peak heat, roughly from 2 to 7 p.m. That is when temperatures and humidity will combine to produce the highest heat‑index values.

There will not be much relief after sunset either. Overnight lows are only expected to slip into the low‑80s, which means the heat will stack up from one day to the next and put extra stress on people and pets. Anyone who has to be outside should take frequent shade breaks and carry water.

Where To Cool Off

The City of Dallas is urging residents to use public facilities such as recreation centers, libraries, and community centers for relief from the heat; cooling‑center locations and hours are listed by the City of Dallas. Two of the commonly available community centers are the MLK Community Center and the West Dallas Multipurpose Center, which operate during normal business hours and often serve as daytime cooling sites.

Those depending on public transit should factor in extra travel time and try to avoid standing in direct sun at bus stops and rail platforms for long stretches.

Recognize Heat Illness

In conditions like this, heat‑related illness can escalate quickly. Heat exhaustion can show up as heavy sweating, weakness, dizziness, or nausea. Heat stroke is far more serious and is a medical emergency, marked by a very high body temperature, confusion, or loss of consciousness.

If someone shows signs of heat illness, move them to a cooler place, loosen their clothing, and try to cool them with water and fans while waiting for help. Call 911 immediately if you suspect heat stroke. Officials also urge residents to check on elderly neighbors, outdoor workers, and anyone without reliable air conditioning.

Dallas-Weather & Environment