UPDATE: I-80 in Wyoming Partially Re-Opens
UPDATE: Interstate 80 in Wyoming has now partially re-opened. But at last report it was still closed in the westbound lane between Rawlins and Cheyenne.
That's according to the WYDOT Road and Travel website. WYDOT says that I-80 is closed in both directions between Rawlins and Laramie.
The website says that as of 5:30 a.m. that closure was expected to remain in effect for roughly 11 to 13 hours. I-80 westbound was closed between Cheyenne and Laramie and eastbound from the Utah line to Rawlins due to rolling closures
While I-25 was open, it was slick throughout it's entire length in Wyoming. A "no unnecessary travel" advisory was in effect in the Chugwater and Glendo areas.
You can access the WYDOT Road and Travel report here.