UPDATE: FROM WYDOT... I-90 from Sheridan to Buffalo anticipated to re-open this evening I-90 northbound/west from Buffalo to Sheridan is expected to re-open within the hour, the wreckage in the northbound lanes has been cleared and crews are working to get it open as soon as possible. I-90 southbound/east from Sheridan to Buffalo is not expected to re-open until later this evening. There is still a tanker truck hauling fuel blocking the road and crews are working to off load/remove that fuel, as soon as they get the fuel removed they will be able to move the truck and get the road ready to re-open. Motorists are asked to continue to be patient and understand crews are working to get the road re-opened as soon as possible. Motorists are also reminded that when the road does re-open the conditions will still be slick with snowfall, strong winds, blowing snow and areas of limited visibility so please slow down and use caution. Because the road has been closed there will be an increased amount of traffic as soon as it re-opens. SO REMEMBER THIS IS NOT THE INDY 500 AND ITS BETTER TO ARRIVE LATE THAN NOT AS ALL. Strong winds mixed with falling snow created whiteout conditions this morning on Interstate 90 between Buffalo and Sheridan. During the whiteout conditions, multiple crashes ensued at mile post 40 at approximately 11:48 a.m. Troopers on scene estimated approximately 18 passenger cars and trucks along with five commercial trucks were involved in a yet to be determined number of crashes. Along with the crashes, several dozen other vehicles slid off of the road due to the conditions or while avoiding crashes in the roadway. No fatal injuries occurred during the string of crashes. One serious injury and several minor injuries are being reported at this time. The event caused Interstate 90 to be closed between Buffalo and Sheridan and is still closed as crews work to clear up the crashes. Deputies from both Johnson and Sheridan Counties responded and assisted the Patrol with the incident. ORIGINAL STORY: Interstate 90 remains closed between Buffalo and Sheridan after multiple nonfatal crashes occurred during whiteout conditions this morning, according to the Wyoming Highway Patrol.

Strong winds and falling snow created the whiteout, and 18 passenger cars and trucks collided in an as yet unknown number of crashes at mile post 40 at 11:48 a.m., according to the news release from WHP Sgt. David Wagener.
Besides the crashes several dozen other vehicles slid off the highway either because of the conditions or to avoid the other accidents.
Highway Patrol troopers reported no fatalities, but did report one serious and several minor injuries, according to the news release.
Deputies from Johnson and Sheridan counties also responded to the crashes and continue to work with the Highway Patrol to clear the highway.