WEATHER & ROADS: Snow storm to hit parts of eastern Idaho tonight

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The Thornton area along U.S. Highway 20. | Idaho Transportation Department

IDAHO FALLS — A winter storm will sweep across eastern Idaho starting Tuesday evening and continuing into Wednesday.

The National Weather Service has issued a winter weather advisory for higher elevation areas in southern Montana, western Wyoming, northern Utah, northern Nevada and the following eastern Idaho counties: Clark, Fremont, Teton, Caribou, Franklin, Oneida, Butte, Lemhi, Custer, Blaine and Minidoka.

Between 3 to 6 inches of snow are expected throughout the region with some areas predicting between 8 and 10 inches.

U.S. Highway 30 between McCammon and Wyoming, Interstate 84 heading south to Utah, and U.S. Highway 20 in Fremont County are expected to be among the roads hardest hit by the storm.

Lower elevations areas — including Rexburg, Idaho Falls and Pocatello are also likely to see snow during the same period, however, it will be much less. There are no winter advisories at the lower elevations.

SEE THE 7-DAY FORECAST HERE

Tuesday’s Forecast:

Idaho Falls, Rigby and Rexburg

It’ll be mostly cloudy tonight with a chance of snow during the evening and after midnight. Lows of 21 to 31 degrees are expected with southwest winds of 10 mph.

Pocatello, Chubbuck and Blackfoot

It’ll be cloudy tonight with a slight chance of snow and rain in the evening and an increasing chance of precipitation after midnight. Lows of 24 to 31 degrees are expected with south winds of 10 to 15 mph.

Dubois, St. Anthony, Ashton, Island Park, Driggs, and Victor

There is a chance of snow in the evening and snow is likely after midnight with up to 3 inches of snowfall possible. Lows of 23 to 30 degrees are expected.

Arco, Challis, and Mackay

It’s going to be mostly cloudy at night with a chance of snow. Up to 2 inches of snow is possible with lows of 18 to 25 degrees.

Henry, Soda Springs, Downey, and Lava Hot Springs

It’ll be mostly cloudy at night with a chance of snow throughout the night and up to 3 inches of accumulation possible. Lows of 24 to 31 degrees are expected.

Road Report:

The following roads are listed as in fair conditions due to ice or snow on the roadway:

  • Idaho Highway 29 between Leadore and the Montana border
  • Idaho Highway 34 between Soda Springs and the Wyoming border
  • U.S. Highway 93 between salmon and the Wyoming border
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