Dangerous heat dome grips East Coast before July 4th

We are watching this week as millions of Americans are trying to stay cool as temperatures are expected to soar to above average levels across the country. According to Fox Weather, experts are now predicting that a massive ridge of high pressure will build across the Central and Eastern U.S. late this week. LiveNOW’s Andy Mac is learning more about the potential impacts that the heat dome could bring with Bryan Putnam, a meteorologist with the NOAA NWS Weather Prediction Center.