71.   Sultry air will cover the Northeast as a warm high pressure system builds.

72.   Sultry air will cover the Northeast on Friday.

73.   Sultry air will cover the southern Plains.

74.   Tropical air will cover the southern Plains, lower Mississippi and Ohio Valleys.

75.   Uncomfortably hot and humid air will cover the southern Plains and Southeast.

76.   Unseasonably cold air will cover the Northeast again Thursday, but the core of the cold will shift into New England.

77.   Unseasonably cool air will cover most areas east of the Mississippi, while a strong warming trend spreads from the Rockies into the Plains.

78.   Unseasonably mild air will cover a large area from the Southwestern states to the central and southern Plains.

79.   Unusually cool air will cover much of the South as broad high pressure builds across the region.

80.   Unseasonably cool air will cover the central and northern Plains and the Great Lakes states.