Early Friday afternoon, Freedom 250 announced that the Great American State Fair on the National Mall would temporarily close until 5 pm due to the heat.

Multiday warnings of extreme heat have landed in New York, Boston and Philadelphia. The sultry weather has pushed east just ahead of weekend Fourth of July events in a region that…

Cities open cooling centres, extended pool hours and urged residents to conserve electricity

A dangerous heat wave is tightening its grip on the East Coast, with the worst conditions arriving as millions prepare to celebrate the Fourth of July outdoors.

Multiday warnings of extreme heat landed in New York, Boston and Philadelphia on Wednesday as sultry weather pushed east just ahead of Fourth of July celebratio

Gaining freedom from the heat will be a challenge this Independence Day in the eastern U.S., and it's already starting ahead of the holiday weekend.

A dangerous heat wave is bringing prolonged extreme heat to more than two dozen states across the Midwest, the South and the East Coast.

Millions of Americans sweltered in stifling heat and humidity Thursday with dangerous temperatures expected to hit swaths of densely populated areas through the Fourth of July…

National Weather Service warns heat index could reach 115F as extreme heat grips midwest, Ohio Valley and east coast

As the United States heads into a milestone July 4 holiday this weekend, parts of the Northeast are preparing for hazardous levels of heat.

High humidity is expected to make conditions feel even hotter

A heat dome — a high-pressure system above a region that traps heat and humidity — has been smothering parts of the U.S., from the Midwest to the East Coast.

Dangerous heat wave threatens U.S. Fourth of July celebrations-

The president has promised to deliver a “really long” speech Saturday no matter how hot it is.

July 4 heatwave: A severe heatwave is gripping millions across the US, threatening July 4th celebrations with record-breaking temperatures and dangerous humidity. Outdoor events…

The parade is not the only event that has been canceled or altered by the record heat this weekend.

More than 250 million Americans are experiencing a dangerous heat wave that has already spoiled some Fourth of July plans.

More than 250 million Americans are experiencing a dangerous heat wave that has already spoiled some Fourth of July plans.

Dangerous heat dome disrupts American celebrations in Midwest and East Coast with travel delays and health problems

Cities and towns across the U.S. are facing the tough decision of canceling or postponing festivities as a triple-digit heatwave continues.

The unbearable heat in Washington is just the latest issue for the lightly attended state fair on the National Mall