The mid-July heat wave, in five maps and diagrams

Atticus Dryden plays in the water with his sister, Penelope Dryden, both of Kalamazoo, as they try to beat the heat at Ramona ...

Maps show states hit hardest by incoming heat wave: "Dangerous"

A widespread heat wave is pushing dangerously high temperatures across large parts of the United States this week.

Heat dome to scorch major U.S. cities this week. Maps show the forecast and warnings.

A heat wave will blast much of the eastern U.S. this week, and forecasters say temperatures will feel even hotter because of the high humidity that's arriving with it.

Maps show this July 4th could be hottest ever in parts of U.S.

Extremely dangerous heat, coupled with humidity, could result in heat index readings of 100 to 115 degrees from the Midwest ...

Where, when and how bad the Fourth of July heat wave will be, in seven diagrams, charts and maps

The U.S. is looking at an unwelcome birthday gift: a dangerous heat wave arriving ahead of the holiday weekend. Limited time: Save 25% on NBC News subscription Get exclusive reporting, live Q&As and ...

Timeline maps show how bad the surging heat and humidity levels will get

Boston and New England are now into one of the most intense stretches of extreme, triple-digit heat on record. A massive heat dome will continue its grip over the Eastern United States and drive up ...

Maps show what to expect from New England’s hot stretch of weather

The Boston area is set to experience its second official heat wave of the month, as the eastern edge of an expansive heat dome over the north-central U.S. sneaks into New England. A high-pressure ...

New heat wave to hit SoCal: Muggy nights, high temps, dangerous surf from Tropical Storm Elida

Temperatures are expected to near or exceed triple digits across the Inland Empire, raising the risk of critical fire weather ...