weather September 13, 2021 6:01 am Summer Warmth Before a Chance for Overnight Storms NBC10 First Alert Weather meteorologist Bill Henley is tracking warmer than normal temperatures and humid conditions Monday. There is then a chance for storms overnight. US & World Videos 2:36 Gloomy weather sticks around for Sunday's Broad Street Run 2:44 Cloudy, chance for rain this weekend 2:41 The weekend kicks off with mostly cloudy skies and passing showers 2:31 Back to cooler temperatures 2:36 Back to spring temperatures