At 5:07 a.m., talked with National Weather Service Norman. They said:
South Central (including Duncan, Pauls Valley areas): Could see 10 to 11 inches of snow.
A swath from southwestern Oklahoma up through Ponca City(this would include Oklahoma City metro area): Could see 4 to 8 inches.
Earlier, saw National Weather Service Tulsa forecasting:
Far northeastern Oklahoma: Could see 6 to 10 inches of snow.
Much of the rest of Eastern Oklahoma: About 4 inches or more.