County Mapping

County
|
Value | Anomaly | Rank 130 Years | 1901- |
---|---|---|---|---|
Adams County | 42.4ยฐF | 0.2ยฐF | 70 | 42.2ยฐF |
Alexander County | 47.1ยฐF | 0.0ยฐF | 61 | 47.1ยฐF |
Bond County | 44.2ยฐF | 0.1ยฐF | 64 | 44.1ยฐF |
Boone County | 38.8ยฐF | 1.6ยฐF | 92 | 37.2ยฐF |
Brown County | 42.3ยฐF | 0.4ยฐF | 73 | 42.0ยฐF |
Bureau County | 39.5ยฐF | 0.9ยฐF | 79 | 38.6ยฐF |
Calhoun County | 44.0ยฐF | 0.2ยฐF | 63 | 43.8ยฐF |
Carroll County | 38.1ยฐF | 1.0ยฐF | 83 | 37.0ยฐF |
Cass County | 42.5ยฐF | 0.5ยฐF | 75 | 42.0ยฐF |
Champaign County | 41.4ยฐF | 0.4ยฐF | 71 | 40.9ยฐF |
Christian County | 43.1ยฐF | 0.6ยฐF | 72 | 42.5ยฐF |
Clark County | 43.4ยฐF | 0.6ยฐF | 70 | 42.9ยฐF |
Clay County | 44.4ยฐF | 0.4ยฐF | 67 | 44.0ยฐF |
Clinton County | 44.7ยฐF | 0.0ยฐF | 59 | 44.7ยฐF |
Coles County | 42.8ยฐF | 0.5ยฐF | 71 | 42.3ยฐF |
Cook County | 40.5ยฐF | 1.0ยฐF | 81 | 39.5ยฐF |
Crawford County | 44.4ยฐF | 0.7ยฐF | 71 | 43.8ยฐF |
Cumberland County | 43.4ยฐF | 0.5ยฐF | 73 | 42.9ยฐF |
DeKalb County | 39.3ยฐF | 1.5ยฐF | 88 | 37.8ยฐF |
De Witt County | 41.5ยฐF | 0.7ยฐF | 75 | 40.8ยฐF |
Douglas County | 42.2ยฐF | 0.5ยฐF | 70 | 41.7ยฐF |
DuPage County | 40.0ยฐF | 1.2ยฐF | 82 | 38.8ยฐF |
Edgar County | 42.7ยฐF | 0.7ยฐF | 74 | 42.0ยฐF |
Edwards County | 45.7ยฐF | 0.5ยฐF | 73 | 45.1ยฐF |
Effingham County | 43.7ยฐF | 0.5ยฐF | 70 | 43.2ยฐF |
Fayette County | 43.7ยฐF | 0.2ยฐF | 68 | 43.6ยฐF |
Ford County | 40.6ยฐF | 0.5ยฐF | 72 | 40.1ยฐF |
Franklin County | 45.6ยฐF | 0.1ยฐF | 64 | 45.5ยฐF |
Fulton County | 41.6ยฐF | 0.5ยฐF | 76 | 41.1ยฐF |
Gallatin County | 46.4ยฐF | 0.0ยฐF | 64 | 46.4ยฐF |
Greene County | 43.7ยฐF | 0.2ยฐF | 68 | 43.5ยฐF |
Grundy County | 40.7ยฐF | 1.4ยฐF | 89 | 39.3ยฐF |
Hamilton County | 45.2ยฐF | -0.2ยฐF | 59 | 45.4ยฐF |
Hancock County | 41.6ยฐF | 0.2ยฐF | 64 | 41.4ยฐF |
Hardin County | 46.7ยฐF | 0.0ยฐF | 69 | 46.7ยฐF |
Henderson County | 40.9ยฐF | 0.6ยฐF | 73 | 40.3ยฐF |
Henry County | 39.9ยฐF | 1.1ยฐF | 83 | 38.9ยฐF |
Iroquois County | 40.4ยฐF | 0.4ยฐF | 68 | 40.1ยฐF |
Jackson County | 45.9ยฐF | 0.2ยฐF | 71 | 45.6ยฐF |
Jasper County | 44.0ยฐF | 0.5ยฐF | 71 | 43.5ยฐF |
Jefferson County | 45.1ยฐF | 0.0ยฐF | 67 | 45.0ยฐF |
Jersey County | 44.3ยฐF | 0.2ยฐF | 67 | 44.1ยฐF |
Jo Daviess County | 38.3ยฐF | 1.7ยฐF | 92 | 36.6ยฐF |
Johnson County | 46.0ยฐF | -0.4ยฐF | 51 | 46.4ยฐF |
Kane County | 39.8ยฐF | 1.6ยฐF | 90 | 38.2ยฐF |
Kankakee County | 40.7ยฐF | 1.0ยฐF | 82 | 39.7ยฐF |
Kendall County | 40.6ยฐF | 1.6ยฐF | 90 | 39.0ยฐF |
Knox County | 40.7ยฐF | 1.1ยฐF | 82 | 39.6ยฐF |
Lake County | 39.9ยฐF | 1.5ยฐF | 88 | 38.4ยฐF |
LaSalle County | 40.0ยฐF | 1.0ยฐF | 80 | 39.0ยฐF |
Lawrence County | 45.2ยฐF | 0.7ยฐF | 74 | 44.5ยฐF |
Lee County | 38.8ยฐF | 1.0ยฐF | 81 | 37.8ยฐF |
Livingston County | 40.1ยฐF | 0.5ยฐF | 71 | 39.6ยฐF |
Logan County | 41.9ยฐF | 0.4ยฐF | 72 | 41.4ยฐF |
McDonough County | 41.2ยฐF | 0.4ยฐF | 71 | 40.8ยฐF |
McHenry County | 38.9ยฐF | 1.6ยฐF | 89 | 37.3ยฐF |
McLean County | 40.5ยฐF | 0.6ยฐF | 72 | 39.9ยฐF |
Macon County | 42.2ยฐF | 0.6ยฐF | 72 | 41.7ยฐF |
Macoupin County | 43.5ยฐF | 0.3ยฐF | 69 | 43.2ยฐF |
Madison County | 44.8ยฐF | 0.1ยฐF | 61 | 44.7ยฐF |
Marion County | 44.4ยฐF | 0.1ยฐF | 64 | 44.3ยฐF |
Marshall County | 40.8ยฐF | 1.2ยฐF | 82 | 39.6ยฐF |
Mason County | 42.0ยฐF | 0.2ยฐF | 70 | 41.8ยฐF |
Massac County | 46.9ยฐF | -0.3ยฐF | 56 | 47.2ยฐF |
Menard County | 42.4ยฐF | 0.5ยฐF | 74 | 41.9ยฐF |
Mercer County | 40.4ยฐF | 1.0ยฐF | 81 | 39.4ยฐF |
Monroe County | 45.6ยฐF | 0.0ยฐF | 61 | 45.6ยฐF |
Montgomery County | 43.6ยฐF | 0.5ยฐF | 74 | 43.1ยฐF |
Morgan County | 42.8ยฐF | 0.5ยฐF | 75 | 42.2ยฐF |
Moultrie County | 42.6ยฐF | 0.6ยฐF | 71 | 42.0ยฐF |
Ogle County | 38.5ยฐF | 1.1ยฐF | 85 | 37.3ยฐF |
Peoria County | 41.1ยฐF | 0.9ยฐF | 78 | 40.2ยฐF |
Perry County | 45.7ยฐF | 0.5ยฐF | 74 | 45.2ยฐF |
Piatt County | 41.7ยฐF | 0.6ยฐF | 72 | 41.1ยฐF |
Pike County | 43.4ยฐF | 0.6ยฐF | 76 | 42.8ยฐF |
Pope County | 46.4ยฐF | -0.3ยฐF | 55 | 46.7ยฐF |
Pulaski County | 47.1ยฐF | -0.1ยฐF | 61 | 47.2ยฐF |
Putnam County | 40.6ยฐF | 1.1ยฐF | 81 | 39.5ยฐF |
Randolph County | 45.8ยฐF | 0.4ยฐF | 73 | 45.4ยฐF |
Richland County | 45.0ยฐF | 0.6ยฐF | 75 | 44.4ยฐF |
Rock Island County | 40.2ยฐF | 1.2ยฐF | 84 | 39.0ยฐF |
St. Clair County | 45.5ยฐF | 0.2ยฐF | 63 | 45.3ยฐF |
Saline County | 46.1ยฐF | 0.1ยฐF | 67 | 46.0ยฐF |
Sangamon County | 43.0ยฐF | 0.7ยฐF | 78 | 42.2ยฐF |
Schuyler County | 41.9ยฐF | 0.4ยฐF | 75 | 41.6ยฐF |
Scott County | 43.2ยฐF | 0.4ยฐF | 75 | 42.8ยฐF |
Shelby County | 43.2ยฐF | 0.6ยฐF | 71 | 42.6ยฐF |
Stark County | 40.2ยฐF | 1.0ยฐF | 80 | 39.2ยฐF |
Stephenson County | 38.1ยฐF | 1.6ยฐF | 90 | 36.5ยฐF |
Tazewell County | 41.2ยฐF | 0.6ยฐF | 73 | 40.6ยฐF |
Union County | 46.1ยฐF | 0.0ยฐF | 60 | 46.2ยฐF |
Vermilion County | 41.8ยฐF | 0.6ยฐF | 74 | 41.2ยฐF |
Wabash County | 45.9ยฐF | 0.7ยฐF | 79 | 45.2ยฐF |
Warren County | 40.8ยฐF | 1.0ยฐF | 82 | 39.8ยฐF |
Washington County | 45.3ยฐF | 0.4ยฐF | 72 | 44.9ยฐF |
Wayne County | 45.0ยฐF | 0.2ยฐF | 62 | 44.9ยฐF |
White County | 45.8ยฐF | 0.0ยฐF | 66 | 45.8ยฐF |
Whiteside County | 39.1ยฐF | 1.0ยฐF | 80 | 38.1ยฐF |
Will County | 40.7ยฐF | 1.2ยฐF | 83 | 39.5ยฐF |
Williamson County | 45.9ยฐF | 0.1ยฐF | 68 | 45.8ยฐF |
Winnebago County | 38.7ยฐF | 1.5ยฐF | 90 | 37.2ยฐF |
Woodford County | 40.4ยฐF | 0.8ยฐF | 74 | 39.6ยฐF |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published July 2025, retrieved on July 22, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping