April showers bring May flowers — so as wet spring weather descends on Chicago, residents might be looking for an indoor activity that won't break the bank. Museums in and around Chicago offer free days for Illinois residents throughout the month of April, and some spots are always free and open t o the public. Here are the free museum days for Illinois residents in April:Chicago museums with free days in AprilAdler Planetarium 📍1300 S. Lake Shore DuSable Dr.Free admission from 4-11 p.m. on Wednesdays for Illinois residents.The Field Museum 📍1400 S. Lake Shore DuSable Dr.Free admission Wednesdays for Illinois residents.Griffin Museum of Science and Industry 📍5700 S. Lake Shore DuSable Dr.Free for Illinois residents on April 20.Shedd Aquarium 📍1200 S. Lake Shore DuSable Dr.Free for Illinois residents on April 1, 8, 15, 22, 29 from 5 p.m. to 9 p.m.American Writers Museum 📍180 N. Michigan Ave.Free the third Sunday of the month.Chicago History Museum📍1601 N. Clark St.Free for Illinois residents on April 16 and 30.Chicago Botanic Garden📍1000 Lake Cook Rd., GlencoeFree for Illinois residents April 7-11.Driehaus Museum📍50 E. Erie St.Free on Wednesdays from 5 p.m. to 7 p.m.DuSable Museum of African American History📍740 E. 56th Pl.Free on Wednesdays for Illinois residents.Heritage Museum of Asian Art📍3500 S. Morgan St.Free admission on third Friday of the month.Illinois Holocaust Museum📍9603 Woods Dr., SkokieFree admission last Friday of the month.Museum of Contemporary Art📍220 E. Chicago Ave. Free admission for Illinois residents on Tuesdays from 5 p.m. to 9 p.m.Peggy Notebaert Nature Museum📍2430 N. Cannon Dr. Free on Thursdays for Illinois residents.Swedish American Museum📍5211 N. Clark St.Free admission second Tuesday of the month.Chicago-area museums that are always freeBlock Museum of Art (40 Arts Circle Dr., Evanston)Chicago Cultural Center (78 E. Washington St.)Chicago Fed Money Museum (230 S. LaSalle St.)DePaul Art Museum (935 W. Fullerton Ave.)Design Museum of Chicago (108 N. State St.)Garfield Park Conservatory (300 N. Central Park Ave.)Hyde Park Art Center (5020 S. Cornell Ave.)Jane Addams Hull-House Museum (800 S Halsted St.)Lincoln Park Zoo (2001 N. Clark St.)Museum of Contemporary Photography (600 S Michigan Ave)National Museum of Mexican Art (1852 W 19th St.)National Museum of Puerto Rican Arts & Culture (3015 W Division St.)National Veterans Art Museum (4041 N Milwaukee Ave., 2nd floor)The Renaissance Society (5811 S Ellis Ave.)Smart Museum (5550 S Greenwood Ave.) ...read more read less