Avoid outside activities if possible. When outside, make sure you wear appropriate clothing, a hat, and gloves. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.

WIND CHILL WARNING NOW IN EFFECT UNTIL NOON CST TODAY... ...WIND CHILL ADVISORY IN EFFECT FROM NOON TODAY TO NOON CST TUESDAY... * WHAT...For the Wind Chill Warning, dangerously cold wind chills. Wind chills as low as 15 to 20 below zero. For the Wind Chill Advisory, very cold wind chills expected. Wind chills as low as 10 below zero. * WHERE...Portions of central, east central, northern, northwest, southeast, southern, southwest and western Oklahoma. * WHEN...For the Wind Chill Warning, until noon today. For the Wind Chill Advisory, from noon today to noon Tuesday. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes.