A Wind Chill Advisory remains in effect for most of the area until 10 am this morning. Among the counties included in the advisory are Calumet, Columbia, Dodge, Fond du Lac, Green Lake, Marquette, Waupaca, Waushara, and Winnebago. Wind chills could range from 20 to 30 below zero. The dangerously cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. Pets should not be left outdoors. Limit your time outdoors and if you can check on elderly or infirm family members or neighbors.