FREMONT COUNTY – The Montana State Police and Fremont County Sheriff’s deputies have reopened Highway 20 after it was shuttered for two hours early Sunday morning. A semi jackknifed during a heavy snowstorm causing for the road closure.

While traffic is moving, it is moving at a snail’s pace, reported Fremont County Dispatch workers.

Law enforcement shut down the highway around 8:30 a.m. Sunday morning after the semi jackknifed. The West Yellowstone Police Department reported that several vehicles had also slid off the Highway.

Fremont Dispatch reported that both Montana and Fremont Counties have snowplows out.

Last week, weather forecasters reported that Montana would receive a substantial amount of snow, but that much of eastern Idaho would be spared most of the storm’s wrath.

Temperatures were cool and some rain received on Saturday and so far today. It’s expected that daytime highs will be between 40 and 50 degrees from now through Tuesday.

The National Weather Service predicted that during the next three months, East Idaho would receive above average, below average or average precipitation during October, November and December.

The annual Farmers’ Almanac is predicting that the upcoming winter in East Idaho will include “chilly” temperatures and “normal precipitation.” The Almanac is also forecasting a “frigid and snowy” winter in middle America, including Montana and Wyoming.

As more information on the accident is made available, the Standard Journal will update this story.