31.   The cooler air is sweeping across the Great Lakes, lowering temperatures and humidity along the way, said Sam Perugini, a meteorologist at Pennsylvania State University.

32.   The day will begin with some clouds near the Northeast coast, but dry air will quickly sweep into most areas on breezes from the northwest.

33.   The warm air will sweep eastward during the next several days, ending the current chill across the Northeast by this weekend.

34.   Unseasonably chilly air will sweep from eastern Canada into the interior Northeast as gusty breezes from the northwest develop in the wake of a cold front.

35.   Unseasonably mild air will sweep from the eastern slopes of the Rockies into the upper Midwest.

36.   Unseasonably warm air will sweep across the northern parts of the Plains and Mississippi Valley ahead of a weak front.

37.   Warmer and more humid air will sweep northward into the Great Lakes and Mississippi Valley on gusty winds.

38.   Unseasonably warm air will sweep into the Northeast on balmy breezes from the southwest.

39.   However, cooler air is sweeping down the region from the northwest and Stevens expects temperatures in the UAE to drop four or five degrees next week.