UPDATE (4:45 p.m. Sunday)

The National Weather Service posted a winter storm warning for Casper and other areas of central Wyoming. The warning predicts seven to nine inches of snow for Casper as well as 15 inches of snow accumulation on Casper Mountain. 

Original Story:

Road conditions are expected to be poor across Wyoming through Wednesday as a winter storm moves through the region.

That's according to K2 Radio Meteorologist Don Day of Dayweather, Inc. in Cheyenne. Day predicts high travel impact on all three segments of interstate highway in Wyoming, as well as adjacent roadways.

Day says the major storm will begin impacting western Wyoming with snow late Sunday night and spread east across the rest of the state Monday afternoon through Tuesday morning, with southeast Wyoming likely to get the worst of the weather.

"Cold northerly wind flow will continue Tuesday into Wednesday, causing blowing snow and a continuation of icy conditions," Day says. "So be prepared for poor winter travel weather."

Current road conditions are available at WyoRoad.info, by calling 511 or via the Wyoming 511 app.