Via USA Today
19 May 2017 – Interstate 80 and U.S. Route 30 from Laramie to Cheyenne, Wyoming were closed in both directions Thursday night and early Friday morning due to heavy snow.
A record 11 inches of snow fell in Cheyenne on Thursday.
The last time Cheyenne experienced such a significant snow event this late in spring was about 67 years ago, when Harry Truman was president, the Weather Channel said.
WYDOT District 1 on Twitter
This is a closed section of I-80 b/t the Summit and Vedauwoo. Very poor visibility with snow and icy roads #wyoroad #wywx