UPDATE:

Interstate 80 is open all across southern Wyoming, but there are still advisories of slick spots and areas of blowing snow.  

Highway 30 is also open.  Current road conditions are available at wyoroad.info.  

Original Story:

Interstate 80 between Rawlins and Laramie is expected to remain closed due to winter conditions for an extended period, according to WYDOT.  The agency does not have a projected opening time for that particular stretch of roadway as of 10:55 p.m. Wednesday, Dec. 23.

In addition, I-80 eastbound between Evanston and Rock Springs is closed at this time, also due to winter conditions.

Highway 30 between between I-80, Walcott Junction, and WY 34 is also under an extended closure advisory with an unknown projected opening time.

Current road conditions throughout Wyoming are available here.