Multiple states are under extreme heat warnings, advisories or watches on July 23, according to the National Weather Service.

July 23 is expected to stay sunny and clear in Lower Hudson Valley, before things heat up for rest of the week.

Almost 100 million Americans were under National Weather Service extreme heat warnings, advisories or watches on July 23 as a heat dome descened on a swath of the nation and slowly spread East.

Orleans and Jefferson Parishes are urging residents to take precautions and offering resources to help beat the heat.

Wind shear (red - strong shear; green - low shear). Shear is typically strong to start the hurricane season: ...