Summer vacations are calling. Cheap flights, not so much. Aviation experts say jet fuel prices have fallen sharply in recent months, but something else is keeping airfares high.

Here’s what else you need to know to get up to speed and on with your day.

A heat wave will blanket the eastern half of the US this week, bringing days of potentially dangerous temperatures just as millions prepare to celebrate Independence Day outdoors. Several major cities, including Chicago, Detroit, St. Louis, Dallas and Nashville, could see their hottest weather of the year, forecasts show. In the West, rising heat will add another challenge for crews battling wildfires in the Four Corners region. Read more.

HEAT TRACKER: See where Americans are at the most risk for extreme heat

At least 1,450 people are now confirmed dead after last week’s devastating earthquakes in Venezuela. More than three days on, with aftershocks still rattling the region, the window to find survivors is quickly closing. Officials are hoping a surge of foreign aid and responders will accelerate rescue efforts and help address humanitarian needs. Read more.