The National Weather Service is warning of a winter storm expected to bring heavy snowfall to southeastern and central Wyoming, as well as northern Colorado and western Nebraska, Monday night into Tuesday.

The latest forecast as of Sunday night called for six to 15 inches of snow accumulation in elevations of southeast and central Wyoming including Douglas, Glenrock, Wheatland, Guernsey, Torrington, Rawlins, Laramie, Cheyenne.

Travel in the area could be very difficult, potentially impacting holiday commuters.

Meanwhile, the northern Laramie Range, Sierra Madre Range and Snowy Range could see 12-18 inches of snow pile up with winds gusting up to 45 mph. There, travel may be impossible, with gusty winds potentially bringing down tree branches and wind chills as low as -15 F resulting in hypothermia for anyone caught unprepared.

A winter storm warning is in effect for Albany, Carbon, Converse, Goshen, Laramie, Niobrara and Platte counties in southeastern Wyoming, as well as parts of southwestern Nebraska and adjacent counties in northeastern Colorado. The warning is in effect from 3 a.m. Monday through 6 p.m. Tuesday.

A winter weather advisory is in effect for most of Sweetwater County, including Rock Springs, and all of Uinta County.

Meanwhile, NWS forecasters in Riverton have reduced their predicted snow totals for Casper. Sunday night could bring less than half an inch of new snow, while up to an inch could fall on Monday.

Monday night is expected to see the heaviest snow in Casper, with new accumulation of two to four inches possible. Another inch of snow could pile up on Tuesday.

For the latest road conditions, call 511, visit or download the Wyoming 511 app.

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