Illinois Weather and Climate Synopsis by County


Point and click inside a county boundary, or select from the list below.

Adams Alexander Bacon Bond Boone Brown Bureau Calhoun Carroll Cass Champaign Christian Clark Clay Clinton Coles Cook Crawford Cumberland DeKalb Dewitt Douglas Dupage Edgar Edwards Effingham Fayette Ford Franklin Fulton Gallatin Greene Grundy Hamilton Hancock Hardin Henderson Henry Iroquois Jackson Jasper Jefferson Jersey Jo Daviess Johnson Kane Kankakee Kendall Knox Lake Lasalle Lawrence Lee Livingston Logan Macoupin Madison Marion Marshall Mason Massac McDonough McHenry McLean Menard Mercer Monroe Montgomery Morgan Moultaire Ogle Peoria Perry Piatt Pike Pope Pulaski Putnam Randolph Richland Rock Island Saline Sangamon Schuyler Scott Shelby St Clair Stark Stephenson Tazewell Union Vermillion Wabash Warren Washington Wayne White Whiteside Will Williamson Winnebago Woodford

Selected Cities

Carbondale Champaign Chicago Peoria

Ag Weather Center, Department of Biosystems & Agricultural Engineering, University of Kentucky