Temperatures in Marion County will complete a nearly 50 degree swing by Saturday night.

According to the National Weather Service, a cold front passing through Friday will bring dangerous wind chills of 20 to 30 below zero on Sunday and Monday mornings, with actual air temperatures of five to ten below.

Frostbite can occur on exposed skin in as little as 15 minutes in those bitterly cold conditions.

Stay tuned to KNIA/KRLS for the latest winter weather information, including cancellations and delays.