51.   Meanwhile, sunshine and dry air will cover the Midwest as high pressure builds in the region.

52.   Much cooler air will cover most of the eastern third of the nation in the wake of a stalled cold front off the Atlantic Seaboard.

53.   Much cooler air will cover the Middle West and northern Plains.

54.   Much milder air will cover the southern Plains and Texas, where readings will average above normal.

55.   Mild, moist air will cover the eastern third of the nation Sunday.

56.   Muggy air will cover much of eastern Texas and the Deep South.

57.   North of the front, cooler and less humid air will cover the Plains and Mississippi Valley.

58.   Pacific air will cover the Northwest.

59.   Preceding the front, very mild air will cover most of the Middle Atlantic region and southern New England early Sunday.

60.   Relatively mild air will cover the remainder of the Northeast, with partial sunshine prevailing east of the mountains from Washington, D.C., to coastal Maine.