Extreme Cold Warning issued January 19 at 12:49PM MST until January 21 at 11:00AM MST by NWS Cheyenne WY

* WHAT…For the Cold Weather Advisory, very cold wind chill
temperatures as low as 30 below zero. For the Extreme Cold
Warning, dangerously cold wind chill temperatures as low as 40
below expected.

* WHERE…In Nebraska, Box Butte County, Dawes County, Morrill
County, Northern Sioux County, and Southern Sioux County. In
Wyoming, Converse County Lower Elevations, Niobrara County,
Central Carbon County, and Laramie Valley.

* WHEN…For the Cold Weather Advisory, until 11 PM MST this
evening. For the Extreme Cold Warning, from 11 PM this evening to
11 AM MST Tuesday.

* IMPACTS…Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures.