Westbound lanes of I-90 over Lookout Pass now open, following avalanches

LOOKOUT PASS, Idaho - UPDATE (4:40 p.m.): Westbound lanes of I-90 between Lookout Pass and St. Regis, Montana are open. Road crews are monitoring the section closely for any signs of potential slides.

ORIGINAL STORY: The westbound lanes of Interstate 90 from St. Regis, MT. to Lookout Pass will remain closed due to the threat of avalanches.

Four avalanches struck Wednesday afternoon about a mile from Lookout Pass ski resort on the Montana side.

Today, crews removed the snow and debris from those avalanches were removed; however, several minor slides have occurred since then, and MDT maintenance crews are working to clear those areas.

Officials say there continues to be areas of instability, increasing the likelihood of additional slides.  

MDT has an avalanche expert on site and is accessing areas of instability for additional mitigation.

Officials say as soon as it is safe to do so, the westbound lanes of I-90 will be reopened, but it is unknown at this time when that will occur.  

Eastbound lanes will remain open, but this is subject to change based on conditions. 

Travelers may consider an alternate route of MT 135 at St. Regis to MT 200.

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