61.  Isolated potent thunderstorms will ignite across southern Texas and the lower Tennessee Valley as a weak cool front crosses the region.

62.  Less humid air will filter into Northeast Monday behind a weak front.

63.  Meanwhile, a weak front diving south from Canada will bring clouds and a period of light afternoon snow to the western Great Lakes.

64.  Meanwhile, humidities will lower across much of the peninsula of Florida as dry air filters south behind a weak cool front.

65.  Meanwhile, seasonable heat will build across the Rockies, but a weak front will stymie the warmth across Montana.

66.  Moist winds from the southwest will couple with a weak front to produce showers, some with heavy rain, in the Carolinas.

67.  Much of the Northeast will be dry, though isolated showers and storms will develop near a weak cool front stretched across the northern Middle Atlantic states.

68.  Patchy clouds and a few light showers will occur near a weak front in the northern Dakotas and Minnesota.

69.  Patchy clouds but little rain or snow will attend a weak front in the Plains and the northern Mississippi Valley.

70.  Patchy clouds will accompany a weak front in the central Plains and Great Lakes with just a few light showers, mainly in Michigan.