Your current misery is likely caused by a “heat dome.” That sounds like something you’d order at a fancy bakery, but it’s actually a massive blob of high-pressure air that acts like a lid on a pot. It traps the heat, refuses to move, and basically sits on our collective heads like an angry, invisible giant.
These domes are stubborn. They can park over a region for days, sometimes weeks. Weeks. As in, long enough for you to consider installing a swimming pool in your bathtub.
Here’s a surprising fact: the hottest place on Earth, Death Valley, once hit a record of 134°F. But during a heat dome, even places like Seattle or London can feel like they’ve been teleported to the surface of Venus. Your city is not prepared for this.
The Forecast: A Game of Meteorological Roulette
If you want the boring, professional answer, most heat waves last between three to seven days. But that’s like saying a “short” horror movie is only 90 minutes. Those 90 minutes feel like a lifetime when the thermostat hits triple digits.
Look for a “cold front” on the weather map. That’s the hero of our story—a line of cooler air that rides in like a knight on a sweaty, glorious horse. But if the heat dome is strong, it just laughs at cold fronts. It says, “Nice try, air conditioner. Now get back in your attic.”
Don’t trust a single forecast more than 72 hours out. Meteorologists are basically magicians trying to predict the mood of a very angry, very hot dragon. They can tell you the dragon is coming, but not if it’s going to sneeze or fart. Hot air either way.