County Mapping

County | Value | Rank 131 Years | Anomaly | 1901- |
---|---|---|---|---|
Adams County | 40.4ยฐF | 53 | -0.4ยฐF | 40.8ยฐF |
Alexander County | 45.3ยฐF | 42 | -1.4ยฐF | 46.8ยฐF |
Bond County | 42.7ยฐF | 55 | -0.4ยฐF | 43.0ยฐF |
Boone County | 36.6ยฐF | 92 | 1.8ยฐF | 34.8ยฐF |
Brown County | 40.7ยฐF | 65 | 0.0ยฐF | 40.7ยฐF |
Bureau County | 38.3ยฐF | 87 | 1.4ยฐF | 36.8ยฐF |
Calhoun County | 42.9ยฐF | 62 | 0.1ยฐF | 42.8ยฐF |
Carroll County | 36.7ยฐF | 87 | 1.5ยฐF | 35.1ยฐF |
Cass County | 41.4ยฐF | 74 | 0.5ยฐF | 40.8ยฐF |
Champaign County | 40.1ยฐF | 76 | 0.9ยฐF | 39.3ยฐF |
Christian County | 41.8ยฐF | 76 | 0.6ยฐF | 41.2ยฐF |
Clark County | 41.8ยฐF | 63 | 0.3ยฐF | 41.5ยฐF |
Clay County | 42.5ยฐF | 52 | -0.6ยฐF | 43.1ยฐF |
Clinton County | 42.8ยฐF | 48 | -0.9ยฐF | 43.7ยฐF |
Coles County | 41.4ยฐF | 74 | 0.5ยฐF | 40.9ยฐF |
Cook County | 38.1ยฐF | 91 | 1.6ยฐF | 36.5ยฐF |
Crawford County | 42.3ยฐF | 55 | -0.3ยฐF | 42.6ยฐF |
Cumberland County | 42.0ยฐF | 68 | 0.4ยฐF | 41.7ยฐF |
DeKalb County | 37.3ยฐF | 93 | 1.8ยฐF | 35.5ยฐF |
De Witt County | 40.1ยฐF | 80 | 0.9ยฐF | 39.2ยฐF |
Douglas County | 40.7ยฐF | 74 | 0.5ยฐF | 40.2ยฐF |
DuPage County | 37.7ยฐF | 87 | 1.5ยฐF | 36.2ยฐF |
Edgar County | 41.1ยฐF | 74 | 0.6ยฐF | 40.5ยฐF |
Edwards County | 43.4ยฐF | 47 | -0.8ยฐF | 44.3ยฐF |
Effingham County | 42.1ยฐF | 57 | 0.0ยฐF | 42.1ยฐF |
Fayette County | 42.5ยฐF | 60 | 0.0ยฐF | 42.5ยฐF |
Ford County | 39.5ยฐF | 83 | 1.2ยฐF | 38.3ยฐF |
Franklin County | 43.6ยฐF | 43 | -1.2ยฐF | 44.8ยฐF |
Fulton County | 40.2ยฐF | 76 | 0.5ยฐF | 39.7ยฐF |
Gallatin County | 44.5ยฐF | 43 | -1.3ยฐF | 45.8ยฐF |
Greene County | 42.7ยฐF | 67 | 0.2ยฐF | 42.5ยฐF |
Grundy County | 39.1ยฐF | 92 | 1.9ยฐF | 37.2ยฐF |
Hamilton County | 43.7ยฐF | 44 | -1.1ยฐF | 44.8ยฐF |
Hancock County | 40.2ยฐF | 72 | 0.3ยฐF | 39.9ยฐF |
Hardin County | 44.5ยฐF | 36 | -1.6ยฐF | 46.1ยฐF |
Henderson County | 39.5ยฐF | 82 | 0.7ยฐF | 38.7ยฐF |
Henry County | 38.2ยฐF | 85 | 1.2ยฐF | 37.0ยฐF |
Iroquois County | 39.3ยฐF | 80 | 1.1ยฐF | 38.1ยฐF |
Jackson County | 44.2ยฐF | 47 | -1.0ยฐF | 45.2ยฐF |
Jasper County | 42.4ยฐF | 57 | -0.1ยฐF | 42.5ยฐF |
Jefferson County | 43.0ยฐF | 40 | -1.2ยฐF | 44.2ยฐF |
Jersey County | 43.2ยฐF | 61 | 0.1ยฐF | 43.1ยฐF |
Jo Daviess County | 36.0ยฐF | 90 | 1.4ยฐF | 34.5ยฐF |
Johnson County | 44.5ยฐF | 43 | -1.4ยฐF | 45.9ยฐF |
Kane County | 37.4ยฐF | 92 | 1.8ยฐF | 35.6ยฐF |
Kankakee County | 39.4ยฐF | 92 | 1.9ยฐF | 37.5ยฐF |
Kendall County | 38.5ยฐF | 92 | 1.7ยฐF | 36.8ยฐF |
Knox County | 39.0ยฐF | 85 | 1.1ยฐF | 37.9ยฐF |
Lake County | 37.0ยฐF | 95 | 2.0ยฐF | 35.0ยฐF |
LaSalle County | 38.6ยฐF | 88 | 1.6ยฐF | 37.0ยฐF |
Lawrence County | 43.0ยฐF | 53 | -0.5ยฐF | 43.5ยฐF |
Lee County | 37.6ยฐF | 89 | 1.7ยฐF | 35.8ยฐF |
Livingston County | 39.3ยฐF | 90 | 1.6ยฐF | 37.7ยฐF |
Logan County | 40.6ยฐF | 76 | 0.5ยฐF | 40.0ยฐF |
McDonough County | 39.9ยฐF | 76 | 0.5ยฐF | 39.4ยฐF |
McHenry County | 36.5ยฐF | 91 | 2.0ยฐF | 34.6ยฐF |
McLean County | 39.4ยฐF | 84 | 1.2ยฐF | 38.3ยฐF |
Macon County | 41.0ยฐF | 80 | 0.8ยฐF | 40.2ยฐF |
Macoupin County | 42.4ยฐF | 63 | 0.2ยฐF | 42.1ยฐF |
Madison County | 43.2ยฐF | 53 | -0.4ยฐF | 43.7ยฐF |
Marion County | 42.5ยฐF | 50 | -0.9ยฐF | 43.3ยฐF |
Marshall County | 39.4ยฐF | 89 | 1.5ยฐF | 37.9ยฐF |
Mason County | 40.8ยฐF | 73 | 0.4ยฐF | 40.5ยฐF |
Massac County | 45.0ยฐF | 37 | -1.7ยฐF | 46.7ยฐF |
Menard County | 41.0ยฐF | 73 | 0.4ยฐF | 40.6ยฐF |
Mercer County | 38.4ยฐF | 78 | 0.7ยฐF | 37.7ยฐF |
Monroe County | 44.3ยฐF | 50 | -0.7ยฐF | 44.9ยฐF |
Montgomery County | 42.2ยฐF | 62 | 0.2ยฐF | 42.0ยฐF |
Morgan County | 42.0ยฐF | 81 | 0.9ยฐF | 41.1ยฐF |
Moultrie County | 41.2ยฐF | 73 | 0.6ยฐF | 40.6ยฐF |
Ogle County | 37.0ยฐF | 90 | 1.8ยฐF | 35.2ยฐF |
Peoria County | 39.6ยฐF | 82 | 1.1ยฐF | 38.6ยฐF |
Perry County | 43.5ยฐF | 46 | -1.0ยฐF | 44.5ยฐF |
Piatt County | 40.4ยฐF | 79 | 0.9ยฐF | 39.5ยฐF |
Pike County | 41.5ยฐF | 60 | -0.1ยฐF | 41.6ยฐF |
Pope County | 44.4ยฐF | 37 | -1.7ยฐF | 46.1ยฐF |
Pulaski County | 45.2ยฐF | 41 | -1.5ยฐF | 46.7ยฐF |
Putnam County | 39.2ยฐF | 87 | 1.5ยฐF | 37.8ยฐF |
Randolph County | 44.0ยฐF | 49 | -0.8ยฐF | 44.8ยฐF |
Richland County | 42.9ยฐF | 54 | -0.5ยฐF | 43.4ยฐF |
Rock Island County | 38.2ยฐF | 83 | 1.1ยฐF | 37.2ยฐF |
St. Clair County | 43.7ยฐF | 50 | -0.8ยฐF | 44.4ยฐF |
Saline County | 44.2ยฐF | 44 | -1.3ยฐF | 45.5ยฐF |
Sangamon County | 41.4ยฐF | 73 | 0.5ยฐF | 40.9ยฐF |
Schuyler County | 40.4ยฐF | 68 | 0.1ยฐF | 40.3ยฐF |
Scott County | 42.2ยฐF | 72 | 0.6ยฐF | 41.6ยฐF |
Shelby County | 41.9ยฐF | 72 | 0.5ยฐF | 41.4ยฐF |
Stark County | 38.7ยฐF | 85 | 1.2ยฐF | 37.4ยฐF |
Stephenson County | 36.1ยฐF | 91 | 1.7ยฐF | 34.3ยฐF |
Tazewell County | 40.0ยฐF | 82 | 0.8ยฐF | 39.1ยฐF |
Union County | 44.9ยฐF | 49 | -0.9ยฐF | 45.8ยฐF |
Vermilion County | 40.0ยฐF | 71 | 0.5ยฐF | 39.5ยฐF |
Wabash County | 43.7ยฐF | 51 | -0.5ยฐF | 44.2ยฐF |
Warren County | 39.0ยฐF | 83 | 0.8ยฐF | 38.2ยฐF |
Washington County | 43.3ยฐF | 50 | -0.8ยฐF | 44.1ยฐF |
Wayne County | 43.0ยฐF | 45 | -1.0ยฐF | 44.0ยฐF |
White County | 44.1ยฐF | 48 | -1.0ยฐF | 45.1ยฐF |
Whiteside County | 37.6ยฐF | 86 | 1.4ยฐF | 36.2ยฐF |
Will County | 39.0ยฐF | 93 | 1.8ยฐF | 37.2ยฐF |
Williamson County | 44.1ยฐF | 43 | -1.2ยฐF | 45.3ยฐF |
Winnebago County | 36.6ยฐF | 91 | 1.7ยฐF | 34.9ยฐF |
Woodford County | 39.5ยฐF | 90 | 1.5ยฐF | 38.0ยฐF |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published July 2025, retrieved on July 14, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping