***The warning was lifted shortly after 10 a.m. on Friday***
An extreme cold warning is still in effect for Waterloo Region Friday morning.
It was first issued on Thursday.
Temperatures are expected to dip to -30 with the wind chill.
Frost bite and hypothermia are a concern once the temperature becomes this cold.
The Region has warming centres open.
A full list of area warming centres can be found here.