... Wind Chill Advisory in effect from 6 PM MST /7 PM CST/ this
evening to 9 am MST /10 am CST/ Wednesday...
* what... very cold wind chills expected. Expect wind chills as
low as 30 below zero.
* Where... portions of northeast and the Black Hills Wyoming and
northwestern, south central and southwestern South Dakota.
* When... from 6 PM MST /7 PM CST/ this evening to 9 am MST /10
am CST/ Wednesday.
* Additional details... the cold wind chills could cause
frostbite on exposed skin in as little as 30 minutes.
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.
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Wind Chill Advisory
Issued: 2:45 PM CST Feb. 20, 2018 – National Weather Service