* Go ice skating. Illinois has many public ice skating rinks, both indoor and outdoor. Some popular rinks include the Millennium Park Ice Rink in Chicago, the Peggy Notebaert Nature Museum Ice Skating Rink in Chicago, and the Rock Island Ice Rink in Rock Island.
* Sledding. If there's enough snow, sledding is a great way to enjoy the winter weather. Some popular sledding hills in Illinois include Signal Hill in Belleville, Mount Zion Park in Morton, and Raddant Park in St. Charles.
* Snowshoeing. Snowshoeing is a great way to explore the winter landscape. Some popular snowshoeing trails in Illinois include the Morton Arboretum in Lisle, the Volo Bog State Natural Area in Volo, and the Starved Rock State Park in Utica.
* Cross-country skiing. Cross-country skiing is a great way to get some exercise and enjoy the winter scenery. Some popular cross-country skiing trails in Illinois include the Moraine Hills State Park in McHenry, the Kickapoo State Park in Danville, and the Weinberg-Newton Park in Champaign.
* Build a snowman. Building a snowman is a classic winter activity that's fun for kids of all ages. Be creative and make a snowman that's unique to your family.
* Have a snowball fight. Snowball fights are a great way to get some exercise and have some fun with friends. Just make sure to play safely and avoid throwing snowballs at people's faces.
* Go for a winter hike. Hiking in the winter can be a beautiful experience. Dress warmly and enjoy the peace and quiet of the woods.
* Visit a zoo or museum. Many zoos and museums in Illinois offer special winter exhibits and activities. Some popular zoos and museums to visit in the winter include the Brookfield Zoo in Brookfield, the Field Museum in Chicago, and the Illinois State Museum in Springfield.
* Attend a winter festival. There are many winter festivals held throughout Illinois. These festivals offer a variety of activities, such as ice carving competitions, snow sculpture contests, and live music.