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Highway closures begin as storm hits Wyoming; 6-9 inches of snow expected on Casper Mountain

I-80 Wagonhound (WYDOT)

CASPER, Wyo. — Some Wyoming highways are seeing impacts with a snowstorm hitting the Cowboy State on Thursday morning.

Wyoming Highway 70 is closed to through traffic near Baggs and Saratoga from the eastbound to the westbound closure gate, according to the Wyoming Department of Transportation (WYDOT). Local traffic is still allowed to access the highway. “No unnecessary travel” advisories are in effect on Wyoming Highway 70 from mile marker 22 to Wyoming Highway 230.

Chain Law – Level 1 is in effect on Interstate 80 between Evanston and Exit 18, according to WYDOT. Chain Law – Level 1 is also in effect on U.S. Highway 189 between Evanston and I-80 Exit 18. Along I-80, the areas around Evanston and around Rawlins are expected to see some of the highest snow accumulations with 6-8 inches expected by noon Friday, according to the National Weather Service (NWS) in Riverton.

WYDOT also reports Chain Law – Level 1 and a black ice advisory in effect on U.S. Highway 89 from the Idaho state line to Afton. Black ice advisories are also in effect on multiple other highways in the Afton area, including Wyoming Highways 236, 237, 238 and 239.

Snow is expected to move north throughout the day. The heaviest snowfall in the Casper area is expected to occur overnight Thursday. The Casper area could see 3-7 inches overnight Thursday with an additional 1-2 inches possible on Friday, according to the NWS in Riverton.

Casper Mountain is expected to see a total of 6-9 inches during the storm.

Both I-80 and I-25 could see some moderate to heavy snow throughout the day. WYDOT forecasts travel impacts across the state Thursday as follows:

Road condition information is available from WYDOT.