The North Texas Tollway Authority began plowing toll roads with convoys Thursday night, using motor graders and truck-mounted plows to move snow and slush to the shoulder and applying deicer. That work will continue throughout Friday as staff work 12-hour shifts.

Road conditions are expected to improve in the afternoon before Friday's Cotton Bowl. Here are the latest weather updates from Dallas-Fort Worth:

AT&T Stadium has seen plenty of snowfall in the past. More than 10 inches accumulated in February 2010. Photo: Tom Pennington/