UPDATE (8:18 a.m.)

U.S. 20-26 is closed between Casper and Moneta with no estimated reopening time. 

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UPDATE (7:47 a.m.)

Joining the list of highway closures are I-80 between Laramie and Rawlins, I-80 between Laramie and Cheyenne, WY 210 between I-80 and Curt Gowdy State Park, U.S. 30 from Laramie to Walcott Junction, WY 487 from Medicine Bow to the WY 77 north junction, U.S. 287/WY 789 from Rawlins to Muddy Gap, U.S. 287 from Muddy Gap to the WY 28 junction and WY 225 between I-80 and Cheyenne. 

Those stretches of highway have no estimated reopening time, according to WYDOT. 

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Part of Interstate 25 is among the segments of Wyoming highway closed early Wednesday due to winter weather.

I-25 is closed in both directions between Casper and Buffalo. WYDOT had not posted an estimated opening time as of 6:08 a.m.

Meanwhile, WYDOT advises no unnecessary travel on I-25 between Casper and Douglas.

Also closed is U.S. 20-26 between Casper and Shoshoni. There is also no estimated reopening time for that highway.

Wyoming Highway 220 between WY 487 and Muddy Gap due to winter weather and multiple crashes. Again, WYDOT had no estimated reopening time as of 5:46 a.m.

Most other highways in the Casper area had 'no unnecessary travel' advisories issued, including WY 258 and U.S. 20/26/87 between Casper and Glenrock.

For the latest road conditions, visit WyoRoad.info or call 511.