...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST SATURDAY... ...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT SATURDAY NIGHT TO 6 PM CST MONDAY... * WHAT...For the Winter Storm Warning, heavy snow and dangerous wind chills expected. Total snow accumulations of 6 to 10 inches. Wind chills of 20 to 30 degrees below zero are expected Monday and Tuesday mornings. For the Wind Chill Advisory, wind chills as low as 15 below zero Saturday morning. * WHERE...Portions of central, northern, northwest, southwest and western Oklahoma. * WHEN...For the Winter Storm Warning, from midnight Saturday night to 6 PM CST Monday. For the Wind Chill Advisory, until noon CST Saturday. * IMPACTS...Travel could be very difficult to impossible. Areas of blowing snow could significantly reduce visibility. The cold wind chills could cause frostbite on exposed skin in as little as 15 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.