In Oklahoma, temperatures have plummeted compared to last weekend’s 70 degrees, and they aren’t expected to rise until next week.

A wintry mix of precipitation is expected Monday night in northern Oklahoma, and in central and western Oklahoma Tuesday evening. Here's what you need to know. Snow falls as traffic backs up in the southbound lane of Lake Hefner Parkway due to an accident in Oklahoma City,

A winter weather advisory has been issued for parts of Oklahoma as the state because of the incoming snow, freezing rain and ice threat.