Extreme winter weather conditions have come to Madison in the form of a high-impact storm that could cause snow accumulations of up to six inches, according to the National Weather Service.

Flurries are expected to fall at a rate of one inch per hour through the early afternoon, according to a special weather statement issued at 9:49 a.m. by the National Weather Service. Roads will be treacherous, and travel will be extremely difficult, said the alert.

A winter weather advisory for blowing snow issued at 3:48 a.m. on Thursday remains in effect until 7 p.m.

Bitter cold will follow the storm, and a wind chill advisory is in effect from 6 p.m. Friday until noon on Saturday. Post-storm conditions will bring up to 40 mph gusts and wind chills of between -5 and -15 degrees to the Rose City, according to the alert. Frostbite can occur in minutes if skin is exposed under these conditions.