UPDATE: Heavy snowfall and wind closes US 20 and ID 32
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U.S. Highway 20 had reopened as of 7:30 a.m. Sunday, however, Idaho Highway 32 between Ashton and Tetonia remains closed.
Additionally, the Teton Pass on Idaho Highway 33 is closed for avalanche control this morning.
IDAHO FALLS — The Idaho Transportation Department has closed U.S. Highway 20 from Ashton to the Montana border due to blowing snow, high winds and low visibility.
Idaho Highway 32 between Ashton and Tetonia also is closed for the same reason. It’s unclear when the roads will reopen.
The highways, and most of the area along the Wyoming and Montana borders, are under a winter storm warning and a wind advisory, according to the National Weather Service.
Most of Fremont, Teton, Clark, western Madison and western Bonneville counties are seeing heavy snowfall. Total snow accumulations of 5 to 8 inches, with localized amounts up to 17 inches, are expected Saturday through Sunday. Winds as high as 50 mph are causing areas of blowing and drifting snow, especially over mountain passes, making travel hazardous.
Similar conditions are being reported in Bannock, Bingham, Franklin, Oneida, Caribou and Power counties.
Lower elevation areas are seeing significantly less precipitation, but some snow and high winds are expected throughout Saturday and Sunday.
The winter storm is expected to last until at least 11 p.m. Sunday, according to the NWS.