Warning in effect for Chicago area as wind chills drop to -30, -40 degrees

CHICAGO (CBS)-- The extreme cold continues for the Chicago area. 

A Wind Chill Warning is in effect until noon on Tuesday. A Wind Chill Advisory takes effect at noon and continues through 9 a.m. Wednesday. 

Tuesday's wind chills are expected to drop as low as -30 to -40 degrees. The wind chills early Tuesday morning have been described as "under-performing" by the National Weather Service. But no need to worry about the performance, the wind chills are still expected to drop. 

Slight improvement for Wednesday and Thursday as highs rebound to the teens. A few flurries are possible Wednesday night and again Thursday night. 

The National Weather Service is tracking "a potential for a band of impactful accumulating snow" by the afternoon. CBS 2 meteorologists will monitor as the forecast develops. 

Arctic air returns this weekend with lows and wind chills below zero returning.