▪ The National Weather Service in Miami will issue a heat advisory if the heat index is 105 degrees for at least a couple of hours. Before 2023, the weather service issued a heat advisory when the heat index hit 108 degrees.

Friday will still be very warm across the state, and heat advisories will be in effect for central Alabama. High temperatures will range from the upper 80s in north Alabama to the upper 90s in south Alabama. Here are today’s expected highs:

Extreme heat and humidity are expected to hammer the New York City area to start the week. We could see our second heat wave of the season, with three consecutive days above 90 degrees.CBS News New York's First Alert Weather team has issued a string of First Alert Weather Days due to the threat of intense heat.