Winter weather will prolong an already lengthy closure of Interstate 80 in southern Wyoming into Monday, according to the state transportation department.

As of 3 p.m. Sunday, WYDOT estimated the closure -- impacting all lanes between Laramie and Rawlins -- would last another 20-22 hours, putting the approximate reopening time between 11 a.m. and 1 p.m. Monday.

A day earlier, WYDOT crews worked to clear snow drifts that were several feet high in the Elk Mountain area.

In addition to the Laramie-Rawlins closure, the eastbound lanes were closed between Rock Springs and Rawlins, and the westbound lanes shut down between Cheyenne and Laramie, all with the same estimated reopening time.

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