Philadelphia January 24, 2019 12:33 pm First Alert Weather: Rain Moves Out, Cold Air Moves in A First Alert for heavy rain will expire Thursday afternoon. As the rain ends, the air will cool. Dry colder days are ahead, says NBC10 First Alert Weather meteorologist Steve Sosna. US & World Videos 2:31 Back to cooler temperatures 2:36 Back to spring temperatures 3:09 Departure from hot weather with cloudy conditions and cooler temps 3:04 Seasonable temperatures return to end the week 2:44 One last warm, sunny day before changes this weekend