UPDATE:  Westbound I-80 between Cheyenne and Laramie is now open.  The Wyoming Department of Transportation is reporting black ice between Otto Road and Buford.  Speed limits as low as 35 m.p.h. are in effect from Otto Road to Laramie.

ORIGINAL STORY :

Westbound I-80 between Cheyenne and Laramie has been closed due to winter conditions.

The eastbound lanes are still open, but Wyoming Department of Transportation officials are advising no unnecessary travel between Buford and Cheyenne.

A no light trailer advisory is also in effect from Laramie to Cheyenne.

A high wind warning remains in effect for the area until 5:00 p.m.