Extreme Cold Watch issued February 15 at 1:52PM MST until February 19 at 11:00AM MST by NWS Rapid City SD

* WHAT…Dangerously cold wind chills as low as 40 below to 45 below
possible at times, especially during the overnight and morning
hours.

* WHERE…Harding, Northern Perkins, Southern Perkins, and Ziebach.

* WHEN…From Sunday evening through Wednesday morning.

* IMPACTS…The dangerously cold wind chills as low as 40 below zero
could cause frostbite on exposed skin in as little as 10 minutes.