31.   On Friday, temperatures will fall somewhat, but cooler air will not come without a price.

32.   Omaha, Nebraska-based Weather Express said temperatures could fall below freezing parts of Nebraska, Minnesota, Iowa and Illinois by next Friday.

33.   Patches of frost whitened the landscape across the interior Northeast early Saturday, even though the air temperature never fell to the freezing mark.

34.   Overnight, temperatures will fall below freezing from the Dakotas to the Northeast.

35.   Some computer models predict that without greenhouse gases, global average temperatures would have fallen in the second half of the century.

36.   Temperatures will fall below zero degrees on Saturday night across northwest New England and Upstate New York.

37.   Temperatures will fall during the day from Nebraska to Wisconsin.

38.   Temperatures will fall into the single numbers across the mountains and below freezing near the Coast during the mid-afternoon.

39.   Temperatures will fall late in the day.

40.   Temperatures will fall steadily during the day in the northern parts of the Dakotas and Minnesota as a strong cold front enters the Northern Plains on Wednesday.