Millions from the Plains to the Northeast are under heat alerts as temperatures and humidity values soar. CNN Meteorologist Pedram Javaheri has the forecast. https://cnn.it/3kjOxdP | CNN Weather

A loop of the 7-day precipitation forecast depicts a wet & active pattern in some parched regions of the South. Some of the precipitation is courtesy of newly declared Tropical Storm Nestor this weekend & some is from a pair of systems next week. The Pacific Northwest can also expect a very wet 7 day stretch. | NOAA NWS Weather Prediction Center