...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL NOON CST TODAY... * WHAT...Freezing drizzle. Additional ice accumulations of a light glaze. * WHERE...Portions of central and east central Missouri and south central and southwest Illinois. * WHEN...Until noon CST today. * ADDITIONAL DETAILS...The hazardous conditions could impact the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory means that periods of freezing rain or freezing drizzle will cause travel difficulties. Be prepared for slippery roads. Slow down and use caution while driving. In Illinois, call 1-800-452-4368 for road information. In Missouri, call 1-888-275-6636 for road information.