United States March 18, 2019 7:09 am First Alert Weather: Cool Temps, Clouds NBC10 First Alert Weather meteorologist Krystal Klei is tracking increasing clouds and cooler temperatures than normal with highs only in the 40s Monday. US & World Videos 3:08 One more warm day before temperatures drop over the weekend 2:40 How long will this summer-like warmth last? 2:14 The summer preview continues 2:16 Clearing out, warming into the 80s 3:04 Another hot day with chance for isolated morning showers