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ST. LOUIS (KSDK) – Snow covered the St. Louis metropolitan area Tuesday and looks to cause more problems throughout the day Wednesday.

The winter weather advisory for the metro area has been extended to noon Wednesday due to blowing and drifting snow in the area, according to NewsChannel 5 meteorologist Scott Connell. Winter storm warnings north of the area will also be extended until noon.

Light snow fell over the St. Louis area early Wednesday morning and will continue through morning rush hour with less than an inch of accumulation.

The Missouri Department of Transportation and Illinois Department of Transportation worked overnight to clear roads in time for the morning commute. In St. Louis, several side streets remained unclear early Wednesday morning.

As of 7:30 a.m., Metro reported no delays on Metrolink. A few Metrobuses have up to 25 minute delays, and No. 59 Dogtown and No. 1 Illinois Main Street are operating on snow routes.

According to Connell, wind chill advisories will go into effect Wednesday at 9 p.m. for St. Louis and areas north, northeast, west and southwest. Wind chills below 15 degrees or more are expected and the advisory will continue through noon Thursday.