A wind chill advisory means the combination of wind and cold temperatures will create dangerously low wind chill values. If you go outside, cover all parts of your body, especially your head, face, and hands.

WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST /NOON CST/ THIS MORNING... * WHAT...Very cold wind chills. Wind chills as low as 35 below zero. * WHERE...Portions of northwestern, south central, southwestern and the Black Hills of South Dakota and northeast and the Black Hills of Wyoming. This includes the Tribal Lands of the Cheyenne River Reservation, the Pine Ridge Reservation and the Rosebud Reservation. * WHEN...Until 11 AM MST /noon CST/ this morning. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 minutes.