ST. LOUIS — Temperatures will fall into the 20s by the early Thursday morning rush hour in St. Louis and drop into the teens by mid-morning. These temperatures could cause flash freezing in areas where roads remain wet as the frigid air surges in.

The snow has tapered off after midnight Wednesday to just flurries by early Thursday morning. 

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The greatest accumulation will stretch from central Missouri into central Illinois where mostly 2 to 4 inches of snow will fall. Amounts will drop off quickly as you travel southeast from the heavier band with trace amounts to an inch for most of the St. Louis metro area.

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Winds start gusting up to 25-30 mph Early Thursday morning and they will gust through the entire day. 

Temperatures drop into the 20s throughout the morning, and around Noon we'll bottom out around 18 and stay near 20 this afternoon.

Gusty winds will drive wind chills into the single digits through the day. Clouds will clear during the afternoon into the evening.

Tonight will be the coldest of the season, near 6 degrees overnight and tomorrow only near 30.

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Friday morning will feature low temperatures near zero in areas where snow covers the ground. Even with sunshine, temperatures are expected to only rise into the 20s.

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