...EXTREME COLD WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY... ...COLD WEATHER ADVISORY IN EFFECT FROM NOON TODAY TO 6 AM CST MONDAY... * WHAT...For the Extreme Cold Warning, dangerously cold wind chills as low as 30 below. For the Cold Weather Advisory, very cold wind chills as low as 20 below expected. * WHERE...Portions of central and east central Illinois. * WHEN...For the Extreme Cold Warning, until noon CST today. For the Cold Weather Advisory, from noon today to 6 AM CST Monday. * IMPACTS...The dangerously cold wind chills can cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Dress in layers including a hat, face mask, and gloves if you must go outside. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside. &&