Update 7:24 p.m.: From ComEd, there are eight outages in Cortland affecting 638 customers (about one-third of the town). The total number of customers out of power in DeKalb County now stands at 1,936.

Update 6:45 p.m.: About 1,500 ComEd customers are without power in DeKalb County, a ComEd spokesman said. That includes about 100 customers in Cortland and about 500 south of Route 30, with the rest sprinkled among DeKalb, Sycamore and the northern parts of the county.

ComEd spokesman Paul Callighan did not know the cause of the Cortland outage but said crews were on site. ComEd crews are working staggered 16-hour shifts throughout the storm to try to restore power as quickly as possible.