The St. Louis region's first fall snow is in the books. Snowfall was steady for much of Saturday, and some parts of the region saw several inches of snow.

A fast hit of light snow is expected to move across the St. Louis area Monday morning and early afternoon. It isn’t a major storm but will bring snow during the morning commute, which could lead to trouble.

The National Weather Service in St. Louis expects less than an inch of snow, but it could stick to cold roads and untreated surfaces.

ST. LOUIS – The final day of November brings this fall’s first snow to the St. Louis region. Most, if not all, counties in the Greater St. Louis metropolitan area should expect anywhere from half an inch to possibly as many as three inches on Saturday. Snow began around 7 a.m. and is projected to gradually keep falling until 6 p.m. Saturday.

Rain moves into the region this afternoon into this evening before ending before midnight. Rain may briefly mix with some wet snow along I-70 in southern Illinois, but no accumulation is expected. The roads will be wet for the afternoon and evening drives.

Roads, especially bridges and overpasses, will likely become slick and hazardous, the National Weather Service says, as 2-4 inches of snow is forecast.

Missouri's first snow of the season may mainly drop on Interstate 70 in the eastern half of the state on Saturday, affecting countless travelers driving home after Thanksgiving. 5 On Your Side meteorologists have issued a Weather Impact Alert Day on Saturday for that reason.