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Pets , Monday June 29, 2026

The heat dome and your dog: a plan for this week.

The heat dome moving over the East Coast this week is hard on people and harder on dogs, who cannot sweat and will keep going long after they should stop. With two of them in this house, here is the practical version, when to walk, the pavement test, the breeds most at risk, and the signs that mean stop now. General information, not veterinary advice.

Quick context first. A heat dome is settling over the eastern U.S. this week, with feels-like temperatures of 100 to 110 in many cities through the weekend before relief arrives around July 4. The human guide is over in a heat dome is settling over the East Coast. This piece is the dog version, because the same week is genuinely risky for pets and the rules are a little different.

Line chart showing asphalt surface temperature rising far above air temperature in direct sun: about 125 degrees at 77 air, 135 at 86, 143 at 87, 149 at 95, and 160 at 100, with a marked danger threshold at 125 degrees where skin burns in 60 seconds.
Asphalt in direct sun runs far hotter than the air. At an 87 degree afternoon, the pavement can hit 143. Source: commonly cited surface-temperature data.

Dogs have very few sweat glands and rely mostly on panting to cool down, which is far less efficient than sweating. They also wear a fur coat they cannot take off and sit much closer to hot pavement than we do. Put those together and a dog can be in trouble in conditions that feel merely uncomfortable to you. They also will not stop on their own, a happy dog will chase a ball into heatstroke, so the judgment has to be yours.

Before a walk, press the back of your hand flat to the sidewalk or street and hold it for seven seconds. If you cannot keep it there comfortably, it is too hot for paws, full stop. As the chart shows, asphalt in direct sun runs far hotter than the air, on an 87 degree afternoon it can reach 143 degrees, and pavement at 125 can burn skin in about a minute. This week, that means walks happen at dawn and after dark, on grass and shade where you can, and they are short. A potty break and back inside beats a proper walk when the pavement is cooking.

Never leave a dog in a parked car during this kind of heat, not for a quick errand, not with the windows cracked, not in the shade. The inside of a car climbs to deadly levels within minutes, far hotter than the air outside, and cracking the windows barely slows it. On a 100 degree week there is no version of this that is safe. If the dog cannot come inside with you at the destination, the dog stays home.

Flat-faced breeds are the highest risk, pugs, bulldogs, French bulldogs, boxers, because their short airways make panting much less effective at shedding heat. Also at extra risk are older dogs, puppies, overweight dogs, very thick-coated breeds, and any dog with heart or breathing problems. A small, long-coated dog like a Shih Tzu can struggle in the heat too, so a summer trim and shade matter. Know where your own dogs fall on that list and plan the week around the most vulnerable one.

Inside, give them constant access to cool, fresh water, and add a few ice cubes to the bowl. Keep them in the air conditioning during the worst of the day, and if you do not have AC, set up a fan with a damp towel they can lie on and draw the shades on the sunny side of the house. A shallow pan of water or a cooling mat helps. Slow the play down, midday fetch can wait until the dome moves on around the holiday weekend.

Learn what overheating looks like, because dogs cannot tell you. Early signs are heavy, frantic panting, drooling more than usual, bright red gums, and a dog that seems tired or wobbly. If you see those, get the dog into shade or AC, offer water, and wet the belly, paws, and ears with cool, not ice cold, water. The emergency signs are stumbling, vomiting, collapse, or confusion. That is a call-the-vet-immediately situation, start cooling the dog on the way. Heatstroke in dogs can turn fatal fast, and minutes matter.

For the full, year-round version, see keeping pets safe in hot weather, and for the people side of this week's heat, a heat dome is settling over the East Coast. You can see what this studio builds at jcmobileappstudio.com.

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Written by Josuam Collazo

A lifelong tech enthusiast in his mid-thirties who builds privacy-first iOS apps in his spare time and writes plain-language pieces on tech, money, on-device AI, and your rights at work, drawn from his own experience at work and in life. More about Josuam

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