St. Louis, MO  (KTRS)  The St. Louis-area is bracing for more winter weather.

A winter weather advisory is in effect from 9 a.m. until midnight. The National Weather Service is calling for 1 to 3 inches of snow. That weather is expected to move in around midday.

MODOT crews have been busy pre-treating roads. MODOT officials are advising motorists to limit travel and to leave work early as the roads could be slick during the Friday evening commute.