These state parks will close at the end of the business day on Sunday:

Castle Rock State Park, Oregon

Lowden State Park, Oregon

Illini State Park, Marseilles

Hidden Springs State Forrest, Strasburg

Moraine View State Park, Leroy

Weldon Springs State Park, Clinton

Wolf Creek State Park, Windsor

These state historic sites are closing at the end of regular hours on Sunday:

Dana-Thomas House, Springfield

Lincoln log cabin near Charleston

Fort de Chartres, Randolph County

Vandalia statehouse (Saturday is last day; not open Sundays)

State center at Bishop Hill, Henry County

Carl Sandburg birthplace, Galesburg

Cahokia courthouse

Hauberg Indian Museum, Rock Island County, (part of the Black Hawk State Historic Site) but the adjacent natural area will stay open.

Jubilee College, near Peoria

Apple River Fort, Elizabeth

Fort Kaskaskia, Randolph County

Pierre Menard home, Randolph County