After a weekend with mostly sunny skies the clouds were quick to thicken across the Midwest ahead of our next storm system currently in the Plains. A shortwave (area of low pressure in the upper levels of the atmosphere) is currently moving through the Plains this afternoon and will cross over the stateline later this evening and overnight. As it does, snow will begin to fall and continue through Tuesday morning. This system is mainly upper air driven so there currently isn't a lot of moisture with it so totals look to range anywhere between 1" to 2". The further south of the Rockford metro area totals could be a little less and the further north/northwest totals may range closer to 2.5". It will probably be enough to slicken things up on sidewalks and steps. High pressure will try to build in Tuesday night and Wednesday but clouds will hang around for a good part of the week. The good news is that we won't see any major blasts of arctic air behind this system. Temperatures are expected to remain fairly close to the average high: 29°.
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