Reposted from Legal Insurrection
My forecast calls for sensible precautions and a healthy dose of skepticism toward overheated rhetoric.
Posted by Leslie Eastman
Last year, I delved into the origins of “heat dome” hysteria. This year, the press has literally doubled down on this scare with news of a “double heat dome” hysteria.
Two heat domes are preparing to join forces, sending temperatures soaring around the U.S. next week.
The first heat dome is developing in the southwest while the second is forming over the subtropical Atlantic, said Jeff Berardelli, chief meteorologist at Nexstar’s WFLA.
They’ll be replaced by one larger heat dome set to park itself over the center of the U.S. by the Fourth of July holiday.
“This could be the first widespread, significant heat wave of 2026 for much of the South and Midwest,” said Nexstar meteorologist Blake Matthews. “Unlike the record-breaking heat that scorched the desert southwest earlier this year, this event is targeting areas that haven’t experienced prolonged extreme temperatures yet this season.”
Double heat dome coming to US: Here’s when it’ll start, where it’ll be worsthttps://t.co/Ia9P6D9AGM
— The Hill (@thehill) June 26, 2026
Instead of offering calm, practical guidance on seasonal weather and local preparedness, headline writers are racing to outdo one another with apocalyptic graphics and overheated climate rhetoric.
So as the nation gets ready for July 4th, we’re being told to fear the forecast rather than focus on the very real, yet very manageable, risks that come with a hot holiday weekend.
We call it summer. Double heat dome? https://t.co/qqWpj0gvBx
— Dr. Matthew M. Wielicki (@MatthewWielicki) July 1, 2026
A heat dome is simply a large, persistent upper‑level high‑pressure system that acts like a lid, trapping hot air near the surface and allowing temperatures and humidity to build for days or weeks. In this case, one dome is developing over the Southwest U.S., and another over the subtropical Atlantic.
Forecasters expect these two ridges to link up and effectively behave as a single, expansive dome over the central and eastern U.S. heading into the Fourth of July period.
NOAA’s Weather Prediction Center said hot weather will be the story this coming weekend from the Plains to the Ohio Valley, with widespread above-average temperatures expected thanks to a strong upper-level ridge of high pressure (aka heat dome) developing.
Highs in the 90s are expected as far north as the Great Lakes and Minnesota, and 100s for much of Texas. Heat indices approaching 110 degrees are possible from the mid-South to the central Gulf Coast where the combination of heat and high dew points will be greatest.
I grew up in the Great Lakes region. Highs in the 90s were not unheard of, and I suspect the 100s are not rare in Texas, either.
The “double” wording is more descriptive/media‑driven than a formal technical term; operational meteorologists are still describing the pattern as a strong, connected ridge/heat dome.
Despite the barrels of red ink and the adjectives, people seem to be chill with the idea that summer days can run a bit hot.
A “heat dome?” You mean high pressure bringing warm temps for a few days. Color me shocked in the middle of summer — Mookie (@MookieMich) July 1, 2026
In fact, the use of color in weather graphics has gotten ludicrous.
It was not 100°F at the North Pole like this image suggests.
Someone needs to take the orange and red crayons away. https://t.co/refJeNIVvx
— Chris Martz (@ChrisMartzWX) July 1, 2026
But I digress.
The real message is that the next few weeks will be hot. So, make a point of drinking water regularly, wearing lightweight clothing, and taking occasional breaks in the shade or air‑conditioned spaces to avoid overheating.
Finally, review the U.S. National Weather Service’s heat safety recommendations for staying safe in hot weather, and follow those that apply to any outdoor activities.
“Double heat dome.”
It’s summer. Okay?
This is a heatwave caused by a ridge of high pressure in the atmosphere. It’s not a “heat dome,” it’s a ridge.
This isn’t the first nor the last time that it will get hot. Stay indoors, chug some water, and breathe. You’ll be okay! https://t.co/LdSw0nqznG
— Chris Martz (@ChrisMartzWX) July 1, 2026
So as the media pushes “double heat dome” alarmism and slathers maps in apocalyptic reds, most Americans will simply recognize what they’ve always called this season: summer.
My forecast calls for sensible precautions and a healthy dose of skepticism toward overheated rhetoric.
