Winter Weather Advisory: Sleet and Snow Affect Travel Conditions
As winter weather continues to impact the region, the Illinois Department of Transportation is closely monitoring changing conditions across various counties. Joe Monroe, an engineer with the department, reported late Sunday morning, Jan. 5, 2025, that in the last 45 minutes, snowfall has begun to accumulate significantly in the metro area, with a transition zone stretching from Illinois Route 143 to the south. Monroe noted that while areas north of Illinois Route 15 are predominantly experiencing snow, conditions shift rapidly south of that line, where a mix of sleet and freezing rain is prevalent. "In southern Monroe and Randolph counties, freezing rain is becoming the predominant precipitation type, leading to slick roadways," he said. Monroe emphasized that the combination of sleet and freezing rain is complicating plowing efforts, as the accumulation of ice is occurring faster than the department can manage. In St. Clair County, Monroe observed that the northern areas are experiencing