Forecast remains on track for a heavy band of snow, mainly south and southeast of St. Louis metro. St. Louis City and surrounding areas west and north are not included in any national weather service warnings. However, up to 1 inch of snow is still possible in St. Louis City and County, Jefferson County, Madison County, and adjacent areas. Blizzard conditions will likely still develop over southeastern Missouri and southern Illinois, where up to half a foot of snow is possible.

Snow will begin tonight, mainly after midnight, and continue through midday on Wednesday.

ST. LOUIS, Mo. (KSDK) - Just as Christmas and other holiday activities wind down, the bi-state region will gear up for a high impact winter storm.

The storm system, which dropped heavy rains and snow across the west coast and parts of the intermountain west since Sunday, will push into Missouri and Illinois Tuesday night.

Forecasts are calling for areas of snow to develop during Tuesday evening, after sunset. Areas from St. Louis metro and to the south and southeast will see the highest snow total as the storm streams along the Missouri and Arkansas border. As the storm tracks northeast, snows will accumulate from southeast Missouri into parts of southern Illinois.

Gusty winds with the snow will add to dangerous driving conditions overnight Tuesday into Wednesday morning. Some areas may see up to half a foot of snow before the storm pulls away Wednesday afternoon.

National Weather Service meteorologists have issued numerous winter weather advisories and blizzard advisories for Missouri and Illinois. For the latest updates visit

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