The Department of Transportation has deemed roads in southwest and southcentral Oklahoma, including Interstate 35, "severely slick and hazardous." Crews are treating roads in northwestern, eastern and southeastern Oklahoma.

With snow expected this week across Arkansas and Oklahoma, schools and government offices are beginning to take action to keep students, families, and staff safe. Here are the schools and offices that have announced closures as of Wednesday,

A winter storm is expected to blast the southern United States with heavy snow, ice and rain Thursday and Friday.