UPDATE (7:45 p.m.):

All lanes of Interstate 80 between Laramie and Cheyenne reopened around 7 p.m. Thursday. WYDOT advises drivers to expect black ice on the roadway.

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UPDATE (3:10 p.m.): 

WYDOT now projects I-80 between Laramie and Cheyenne will remain closed until after 9 p.m. Thursday. Both directions of travel remain closed at the time of this update.

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UPDATE (1:34 p.m.):

WYDOT estimates I-80 between Laramie and Cheyenne will reopen after 4 p.m. Thursday. Both lanes remained closed at the time of this update.

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The first big winter storm of the year in Southeastern Wyoming has forced the Wyoming Department of Transportation to close all lanes of Interstate 80 between Laramie and Cheyenne Thursday morning.

No projected opening time was provided with the closure announcement, which was emailed shortly before 11:45 a.m. Thursday.

For the latest road conditions and closure updates across Wyoming, visit WyoRoad.info.