WCAU September 5, 2017 12:39 pm Tracking Irma NBC10 First Alert Weather meteorologist Krystal Klei is keeping an eye on the path of Hurricane Irma, which was upgraded to a Category 5 storm Tuesday. US & World Videos 3:54 NJ farm, other local growers face challenges due to climate change 3:04 Frost advisory in place overnight until Tuesday morning 3:12 Showers, storms, gusty winds heading into weekend 3:05 Strong winds and heavy rain 3:32 Time to bring out the umbrellas: Thunderstorms, heavy rain expected for end of work week