We can not emphasize enough - the #cold air and wind chill forecast tomorrow (Wed) night thru Thursday feature some of the most extreme values you will ever see!
— NWS Cheyenne (@NWSCheyenne) December 20, 2022
Please take precautions: Check on elderly/vulnerable, protect pets, shelter livestock, cover exposed skin! #WYwx #NEwx pic.twitter.com/aFFqnCXftk