COLUMBIA, Mo. - Missouri Department of Transportation crews plan to check on the condition of Interstate 70 until at least 6:30 p.m. Thursday.
"Monitoring to make sure nothing gets slick as the temperatures drop," MoDOT Maintenance Specialist Bobby Slater said. "If we think we need to call a night shift in after that we will, but we don't foresee that happening."
State highways north of I-70 that were snow-covered Thursday morning showed improvement as the day wore on.
Columbia Public Works said it concluded its weather operations at about 5 p.m., but engineers would monitor road conditions through the night.
The Missouri Department of Transportation's online travel map showed state highways north of Columbia were snow covered or partly snow covered by mid-morning Thursday. Parts of highways 63, 24 and 240 were either snow-covered or partly covered, the map showed. By late morning those routes were primarily being shown as clear.
The Missouri State Highway Patrol's Troop B, which covers north-central and northeast Missouri, reported two injury crashes Thursday morning -- one in Randolph and another in Macon County. The troop said it worked 28 crashes during the morning snow.
At least three schools planned early dismissals.
Salisbury R-4 and St. Joseph in Salisbury were set to dismiss at 12:30 p.m. Thursday, while Moberly Public Schools were dismissing one hour early. Closings and early dismissals will be updated throughout the day on the ABC 17 News website.
Temperatures in the area were expected to bottom out in the teens overnight.
An eight-person Columbia Public Works plow crew began working on the designated snow routes at 5 a.m. Thursday to prepare roads for the morning commute.