Locally heavy, blinding snow will slow travel along I-10, I-25, I-15, I-17, I-40 and I-70 in the Four Corners region into Wednesday night.
Rough travel conditions from snow will be along I-17 and I-40 in Arizona, where snow levels will dip as low as 3,000 feet with accumulating snow and slippery travel beginning near 3,500 feet. Up to a foot of snow will fall over the Rim Country.
Pockets of heavy snow will also occur farther east along I-40 in western New Mexico.
The snow could be intense enough for a time to bring white-out conditions and road closures.
Snow will fall as far south as the mountains of southeastern Arizona. Slushy, snow-covered roads are possible along high-elevation stretches of I-10 east of Tucson.
Farther north, along I-15 in Utah, areas of slushy and snow-covered roads are in store.
Travel along I-70 through the Rockies in Colorado will be nasty as well with some areas receiving a foot of snow.
East of the Rockies, the worst of the storm in terms of snow and wind combined will occur over portions of Kansas and Nebraska with all routes in the area being affected.
Other Attributes of the Storm
The storm will bring bursts of rain to many of the desert locations in southern Arizona with lesser rain in store over southern New Mexico.
While rainfall is welcomed due to the dry conditions, a few incidents of flash flooding and debris flows are possible.
Gusty winds can kick up dust in portions of southern and eastern New Mexico and western Texas.
Spotty thunderstorms are also in store for portions of Arizona, New Mexico and western Texas. A few of these storms can be not only heavy and gusty but could also produce sizable hail.
Farther east, thunderstorms are likely to bring a significant severe weather outbreak from central Texas to Mississippi.
Arizona high country thumbnail images by Photos.com