A weak disturbance dropping down in the northwest flow aloft will cause some light snow and flurries this evening. It will be mostly cloudy after midnight. You can expect variable clouds and colder temperatures on Sunday with a high in the middle 20's. The next disturbance will produce some light snow after midnight on Sunday night, and that snow will continue though Monday with some accumulation possible. That is just beginning, though, of a long lasting snow event that has the potential of producing very significant amounts of snow by the time it's over on Wednesday night. The snowfall totals are very dependent on the development of the surface storm center over the southern plains Monday night and Tuesday morning. If the track of the low is across southern Illinois into central Indiana, the Stateline would get some very heavy snow out of this system along with strong winds blowing and drifting the snow around. Following the departure of the storm off to the east, arctic air with settle into the Stateline on Thursday. The cold snap will be short lived, however, with temperatures bouncing back up to the upper 20's by next weekend.
By Meteorologist
Eric Nefstead
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