The National Weather Service in Saint Louis has issued a Winter Storm Warning for heavy snow…sleet and freezing rain…which is in effect through 6 PM tomorrow across much of the area along and south of the Interstate 70 corridor.  Snow accumulations of 5 to 7 inches…along with up to two tenths of an inch of ice are expected, as well as wind gusts of up to 25 miles per hour.  Road conditions will be deteriorating rapidly this afternoon and evening as the wintry precipitation develops and increases in intensity.  The additional snowfall on Friday will continue the hazardous travel conditions.