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ST. LOUIS (KSDK) – The St. Louis metropolitan region saw its first heavy snowfall Wednesday night and early Thursday morning and could see its coldest temperatures in the past three years.

As of 4 a.m. Thursday, Jerseyville, Ill. was reporting the highest snowfall amounts of more than 5 inches in preliminary spotter reports. In St. Louis and St. Charles county areas, residents saw between 1 and 2 inches so far.

RELATED: Follow our interactive radar for where the snow is

EARLIER STORY: Snowfall starts in STL, temps fall overnight

The snow is expected to taper off and will end by late morning in the eastern counties of the viewing area, according to NewsChannel 5 meteorologist Bree Smith. The winter weather advisory is expected to end at 6 a.m., according to the National Weather Service.

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Winds will be significant, according to Bree, with wind chills in the single digits and below 0 in some spots of the viewing area.

RELATED: Get the latest forecast on our weather page

Although the snow will be tapering off, the region could see its coldest night since February 2011 with temperatures expected to drop as low as 3 degrees Thursday night.

With below freezing temperatures, there is concern for refreezing on the ramps, overpasses and bridges throughout the area, so drivers are asked to use caution.

RELATED: Stay up-to-date on road conditions on our traffic page

Although snow will end today, winter is getting ramped up for 2014.

The next chance for snow is expected to be Saturday night into Sunday morning, and the beginning of next week is the possibility for the coldest air mass seen in roughly 30 years and could rival the Christmas of 1983, according to Bree Smith.

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