July 1, 2018 10:35 am Oppressive Humidity Expected NBC10 First Alert Weather meteorologist Krystal Klei is tracking the rising temperatures and humidity levels as the heat wave continues into the start of the work week. US & World Videos 9:49 Danger in treats left out for pets: The Lineup 0:28 Dangerous dog treats found along Lehigh County stretch of Appalachian Trail 0:18 Former PAL coach sentenced for sexual assault of teen 0:50 Pat's Steaks set to reopen and add new items to their classic menu 1:56 10-year-old boy killed, another boy and teen driver injured in Wilmington crash