41.   Areas of showers and rain will cross the Great Lakes on Monday as low pressure moves north into Ontario.

42.   Another bout of thunderstorms will erupt slightly farther south and west in the afternoon as low pressure slowly slides east.

43.   As a compact but potent jet stream disturbance emerges from the Rockies on Thursday morning, an area of surface low pressure will intensify over eastern South Dakota.

44.   As a result, clouds and snow showers will persist in the mountains of northern New England as Atlantic moisture wraps inland around the stagnant area of low pressure.

45.   Arctic air will ooze eastward into the western Great Lakes region in the wake of a low pressure system that dove southeast from Alberta a couple of days ago.

46.   Arctic air will return to northwest New England in the wake of a low pressure system heading northeast into the Labrador Sea.

47.   Areas of snow will accompany low pressure crossing the upper Middle West Tuesday.

48.   As a result of hot air and its concomitant low density, a weak low pressure system will continue to hold steady near Yuma, Ariz.

49.   As the main center of low pressures presses north, it will lift progressively colder air.

50.   As the chilly air seeps south of the Mason-Dixon line, low pressure in the western Carolinas will send a wedge of mild, moist air northward.