As the fall season comes to a close, Illinois has a mean temperature of 52.7 degrees, which ranks 25th coldest fall. Total precipitation for the fall season so far is at 5.86", with only three days left it seems that this will be the official total. Looking ahead into the winter season, most of the United States will see temperatures above normal as the upper level atmospheric blocking over the north Pacific has been persistent for the past few weeks. This upper level blocking is contributing to the abnormally high temperatures as well as the lack of any significant storms in the midwest. Looking ahead in the season, we can see that the first third of the season will be lacking any significant snowfall which is due to the north Pacific blocking.
John Barmann
Meteorologist
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