Snow is no longer falling over most of North Texas after the first winter storm of the season. The National Weather Service dropped a winter storm warning early Friday morning, and let a winter weather advisory expire at 12 p.

Texas refineries are bracing for an onslaught of cold, snow and freezing rain as the US South’s first major winter storm sweeps in during what’s projected to be a frigid month.

The odds of Winter Storm Cora impacting Central Texas have weakened, the NWS says. Freezing rain Thursday and Friday may still cause icy conditions.