A blast of artic cold is moving into the state on Sunday afternoon. The National Weather Service says dangerously cold temperatures will follow.

Temperatures will fall as low as 15-to-20 degrees below zero across Nebraska Sunday night, and Monday's high temperatures could remain below zero in many places.

Wind chills of 30-to-40 degrees below zero are expected across Nebraska Sunday night.   Emergency officials are warning that frostbite and hypothermia are possible if people aren't properly bundled up. 

Frostbite can occur within five minutes.  The most common areas of the body prone to frostbite are the ears, nose, fingers and toes.  We could know Sunday night whether metro area schools will close on Monday.