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Illustration

State guide

When to catch Illinoisthrough the year

We follow 6 places in Illinois for spring migration, wildlife by season, winter wildlife, wildflowers and fall foliage: fall at Shawnee National Forest, winter at Chautauqua Refuge and Emiquon Refuge, spring at Chautauqua Refuge and Emiquon Refuge and summer at Midewin Prairie. Each timing below is the place's own source, in its words; none is a forecast.

When are you going?

Fall in Illinois

Good in fall

  • Chautauqua RefugeSandpipers, plovers and dowitchers on the mudflats, July through September
  • Chautauqua RefugeDabbling and diving ducks, October through late November (migration typically peaks in November)
  • Chautauqua RefugeAll refuge land and water open, February 1 to October 15
  • Emiquon RefugeSandpipers, plovers and dowitchers, July through September
  • Emiquon RefugeDucks from October through late November, with the migration typically peaking in November
  • Emiquon RefugeRoadside birdwatching all year

Open places and seasons from each place's sources; no peak claimed.

Places in Illinois

Pin color: each place's season now or next
  • Spring
  • Summer
  • Fall
  • Winter
Places on this map, as a list
Map: approximate positions; state lines US Census.

Planning a Illinois trip

Sources: U.S. Fish and Wildlife Service · USDA Forest Service · USA National Phenology Network · checked Sep 30 · How we know