51.  A narrow band of thunderstorms will develop from the central Plains to the western Great Lakes as a weakening cool front lifts humid air.

52.  A narrow corridor of clouds and thundershowers will stretch from Pennsylvania to interior New England as a cool front crosses the region.

53.  A Pacific cool front will promote showers in the interior Northwest, especially along west-facing slopes.

54.  A plume of moist air will stream north through the Mississippi Valley to the central Great Lakes as breezes from the south quicken ahead of a weak cool front.

55.  A moisture-starved cool front will bring clouds and a few sprinkles to the Great Lakes on Monday.

56.  A stripe of low clouds along and behind the cool front will span from the northern Middle Atlantic Seaboard to parts of the central Appalachians.

57.  A series of cool fronts will promote plenty of clouds from the Great Lakes and Northeast to the southern Plains.

58.  A slow-moving cool front will cross the Appalachians Saturday.

59.  A weak cool front moving through the Ohio Valley will yield scattered showers from southern Illinois to northern Missouri Tuesday.

60.  A weak cool front will graze northern New England and upstate New York, possibly accompanied by a brief thundershower.