Winter Storm Fern causes disruptions in deliveries by FedEx, UPS, and the Postal Service.

UPS, FedEx, and the U.S. Postal Service are alerting customers about potential delivery delays due to Winter Storm Fern, which is causing significant disruptions across the country. UPS has suspended services in over 3,000 ZIP codes in several states and warned of air network impacts. FedEx has declared a national service disruption, predicting delays throughout the week, and noted that weather-related delays are not eligible for refunds. The Postal Service has also cautioned about severe weather impacts, suspended its service guarantee for Priority Mail Express, and halted the transport of certain live cargo.