A Winter Weather Advisory has been issued until 7am this morning for Pottawattamie, Mills and Montgomery counties in SW Iowa. Total snowfall accumulations on grassy areas are expected to be between 2-4 inches. Main roads aren’t expected to be impacted by this snow, however bridges and overpasses along with side streets may have some slush on them this morning. The snow will taper off later this morning, with most of the accumulating snow ending after sunrise.