August 4, 2018 6:48 pm First Alert Weather: Humidity Stays, Heat Returns Sunday starts a days-long heatwave — and it will still be humid throughout the area, says First Alert Meteorologist Steve Sosna. US & World Videos 2:44 Gray, warmer Monday 2:24 Gray Monday 2:00 Dreary Monday weather 3:01 Keep your umbrellas handy as rain will be on and off all week 2:35 Isolated showers continue Sunday night into the morning