More than 130 million Americans face a dangerous, prolonged heatwave heading into the Fourth of July week, with heat indexes projected to soar past 110 degrees — and a power grid weighed down by green energy mandates may not be ready for the strain.

The National Weather Service warns this is not typical summer weather. Daytime highs will climb into the 90s and 100s across the central and eastern United States, and humidity will make it feel even hotter — heat index values could reach 105 to 115 degrees in major cities from Chicago to New York. For working families already squeezed by inflation and rising energy costs, the question isn't just how miserable it gets. It's whether the air conditioning stays on.

NWS meteorologist Bryan Putnam didn't mince words: "That's heat that's impactful to anyone. It's not just older adults or younger children or people who are spending a ton of time outdoors, maybe straining themselves a little more than normal. This is heat that really could impact everyone."

NBC News reports 111 million people are now under heat alerts. Philadelphia could feel like 112 degrees by Thursday. New York could near 108. The Guardian notes that more than 130 million Americans across southern and Great Plains states were already under moderate to severe heat risk conditions as of Sunday, with that zone expanding.

AccuWeather meteorologist Tyler Roys said temperatures will run 10 to 11 degrees above normal for this time of year. A high-pressure system — a "heat dome" — will act like a "rock," forcing storms around it and locking in the heat with little rainfall across the east.

And there's no relief after dark. Nightly lows in the 70s or even high 80s won't allow bodies to recover. Roys warned that for those without air conditioning, especially in eastern seaboard cities like New York where lows may not dip below 80, "it's going to be miserable to sleep." He called this a prime window for heat-related illness because people can't cool off.

Here's what neither outlet grapples with: the grid itself. As green energy mandates pile up and baseload power plants retire, the margin between demand and capacity shrinks every summer. When 130 million Americans crank their AC at once during a heat dome, that margin gets tested. Blackouts during a heatwave aren't an inconvenience — they're a safety crisis. The infrastructure neglect is a policy choice, and working families are the ones who pay when it fails.

The NWS advises limiting outdoor activity, staying hydrated, and ensuring access to air conditioning. Sound advice — assuming the power holds.