Marion County remains under a Winter Storm Watch as a winter storm is expected to track into the area beginning late tomorrow morning. The National Weather Service reports snowfall is expected to last less than six hours, but could fall at a rate of an inch to two inches per hour. Overall snowfall across central Iowa is expected to be 5-10 inches, with heavier amounts located west of Interstate 35. Strong winds of 15-25 miles per hour, combined with heavy snow, could lead to visibility of less than a quarter-mile tomorrow afternoon. Travel conditions are expected to be hazardous, especially around rush hour.