County Mapping

County | Value | Rank 130 Years | Anomaly | 1901- |
---|---|---|---|---|
Adams County | 44.1ยฐF | 99 | 1.9ยฐF | 42.2ยฐF |
Alexander County | 49.1ยฐF | 101 | 2.0ยฐF | 47.1ยฐF |
Bond County | 46.4ยฐF | 103 | 2.3ยฐF | 44.1ยฐF |
Boone County | 39.9ยฐF | 105 | 2.7ยฐF | 37.2ยฐF |
Brown County | 43.9ยฐF | 99 | 1.9ยฐF | 42.0ยฐF |
Bureau County | 41.3ยฐF | 104 | 2.7ยฐF | 38.6ยฐF |
Calhoun County | 46.2ยฐF | 107 | 2.4ยฐF | 43.8ยฐF |
Carroll County | 40.3ยฐF | 111 | 3.3ยฐF | 37.0ยฐF |
Cass County | 44.2ยฐF | 104 | 2.2ยฐF | 42.0ยฐF |
Champaign County | 43.3ยฐF | 102 | 2.4ยฐF | 40.9ยฐF |
Christian County | 45.1ยฐF | 106 | 2.6ยฐF | 42.5ยฐF |
Clark County | 44.9ยฐF | 100 | 2.0ยฐF | 42.9ยฐF |
Clay County | 46.3ยฐF | 104 | 2.3ยฐF | 44.0ยฐF |
Clinton County | 46.8ยฐF | 101 | 2.1ยฐF | 44.7ยฐF |
Coles County | 44.8ยฐF | 106 | 2.5ยฐF | 42.3ยฐF |
Cook County | 42.0ยฐF | 102 | 2.5ยฐF | 39.5ยฐF |
Crawford County | 45.7ยฐF | 99 | 2.0ยฐF | 43.8ยฐF |
Cumberland County | 45.3ยฐF | 106 | 2.4ยฐF | 42.9ยฐF |
DeKalb County | 40.2ยฐF | 99 | 2.4ยฐF | 37.8ยฐF |
De Witt County | 43.1ยฐF | 103 | 2.4ยฐF | 40.8ยฐF |
Douglas County | 44.4ยฐF | 105 | 2.8ยฐF | 41.7ยฐF |
DuPage County | 41.5ยฐF | 104 | 2.7ยฐF | 38.8ยฐF |
Edgar County | 44.0ยฐF | 97 | 1.9ยฐF | 42.0ยฐF |
Edwards County | 47.0ยฐF | 100 | 1.9ยฐF | 45.1ยฐF |
Effingham County | 45.9ยฐF | 107 | 2.7ยฐF | 43.2ยฐF |
Fayette County | 46.2ยฐF | 106 | 2.6ยฐF | 43.6ยฐF |
Ford County | 42.4ยฐF | 102 | 2.3ยฐF | 40.1ยฐF |
Franklin County | 47.7ยฐF | 104 | 2.2ยฐF | 45.5ยฐF |
Fulton County | 43.0ยฐF | 97 | 1.9ยฐF | 41.1ยฐF |
Gallatin County | 48.4ยฐF | 101 | 2.0ยฐF | 46.4ยฐF |
Greene County | 45.5ยฐF | 103 | 2.0ยฐF | 43.5ยฐF |
Grundy County | 42.2ยฐF | 107 | 3.0ยฐF | 39.3ยฐF |
Hamilton County | 47.4ยฐF | 101 | 2.0ยฐF | 45.4ยฐF |
Hancock County | 43.4ยฐF | 101 | 2.0ยฐF | 41.4ยฐF |
Hardin County | 49.1ยฐF | 109 | 2.4ยฐF | 46.7ยฐF |
Henderson County | 42.4ยฐF | 104 | 2.1ยฐF | 40.3ยฐF |
Henry County | 41.5ยฐF | 105 | 2.7ยฐF | 38.9ยฐF |
Iroquois County | 42.6ยฐF | 103 | 2.5ยฐF | 40.1ยฐF |
Jackson County | 48.1ยฐF | 107 | 2.5ยฐF | 45.6ยฐF |
Jasper County | 45.4ยฐF | 97 | 1.9ยฐF | 43.5ยฐF |
Jefferson County | 47.0ยฐF | 102 | 2.0ยฐF | 45.0ยฐF |
Jersey County | 46.4ยฐF | 106 | 2.3ยฐF | 44.1ยฐF |
Jo Daviess County | 39.7ยฐF | 109 | 3.2ยฐF | 36.6ยฐF |
Johnson County | 48.8ยฐF | 107 | 2.4ยฐF | 46.4ยฐF |
Kane County | 40.5ยฐF | 101 | 2.4ยฐF | 38.2ยฐF |
Kankakee County | 42.2ยฐF | 102 | 2.5ยฐF | 39.7ยฐF |
Kendall County | 41.9ยฐF | 107 | 2.9ยฐF | 39.0ยฐF |
Knox County | 41.9ยฐF | 103 | 2.2ยฐF | 39.6ยฐF |
Lake County | 40.6ยฐF | 101 | 2.2ยฐF | 38.4ยฐF |
LaSalle County | 41.5ยฐF | 102 | 2.5ยฐF | 39.0ยฐF |
Lawrence County | 46.2ยฐF | 97 | 1.7ยฐF | 44.5ยฐF |
Lee County | 40.3ยฐF | 101 | 2.5ยฐF | 37.8ยฐF |
Livingston County | 42.3ยฐF | 102 | 2.7ยฐF | 39.6ยฐF |
Logan County | 43.7ยฐF | 104 | 2.3ยฐF | 41.4ยฐF |
McDonough County | 42.9ยฐF | 102 | 2.1ยฐF | 40.8ยฐF |
McHenry County | 39.7ยฐF | 103 | 2.4ยฐF | 37.3ยฐF |
McLean County | 42.2ยฐF | 101 | 2.3ยฐF | 39.9ยฐF |
Macon County | 44.4ยฐF | 107 | 2.7ยฐF | 41.7ยฐF |
Macoupin County | 45.5ยฐF | 104 | 2.2ยฐF | 43.2ยฐF |
Madison County | 47.1ยฐF | 105 | 2.4ยฐF | 44.7ยฐF |
Marion County | 46.3ยฐF | 100 | 2.0ยฐF | 44.3ยฐF |
Marshall County | 41.8ยฐF | 102 | 2.2ยฐF | 39.6ยฐF |
Mason County | 43.8ยฐF | 103 | 2.0ยฐF | 41.8ยฐF |
Massac County | 49.7ยฐF | 109 | 2.5ยฐF | 47.2ยฐF |
Menard County | 44.2ยฐF | 104 | 2.3ยฐF | 41.9ยฐF |
Mercer County | 41.6ยฐF | 102 | 2.2ยฐF | 39.4ยฐF |
Monroe County | 48.1ยฐF | 107 | 2.5ยฐF | 45.6ยฐF |
Montgomery County | 45.5ยฐF | 105 | 2.4ยฐF | 43.1ยฐF |
Morgan County | 44.5ยฐF | 104 | 2.2ยฐF | 42.2ยฐF |
Moultrie County | 44.7ยฐF | 106 | 2.7ยฐF | 42.0ยฐF |
Ogle County | 40.1ยฐF | 105 | 2.8ยฐF | 37.3ยฐF |
Peoria County | 42.4ยฐF | 101 | 2.3ยฐF | 40.2ยฐF |
Perry County | 47.6ยฐF | 106 | 2.3ยฐF | 45.2ยฐF |
Piatt County | 43.8ยฐF | 106 | 2.7ยฐF | 41.1ยฐF |
Pike County | 44.9ยฐF | 104 | 2.0ยฐF | 42.8ยฐF |
Pope County | 49.2ยฐF | 110 | 2.5ยฐF | 46.7ยฐF |
Pulaski County | 49.3ยฐF | 102 | 2.1ยฐF | 47.2ยฐF |
Putnam County | 41.8ยฐF | 101 | 2.3ยฐF | 39.5ยฐF |
Randolph County | 47.8ยฐF | 107 | 2.4ยฐF | 45.4ยฐF |
Richland County | 46.0ยฐF | 96 | 1.6ยฐF | 44.4ยฐF |
Rock Island County | 41.7ยฐF | 107 | 2.6ยฐF | 39.0ยฐF |
St. Clair County | 48.0ยฐF | 109 | 2.7ยฐF | 45.3ยฐF |
Saline County | 48.2ยฐF | 103 | 2.2ยฐF | 46.0ยฐF |
Sangamon County | 44.7ยฐF | 106 | 2.5ยฐF | 42.2ยฐF |
Schuyler County | 43.6ยฐF | 102 | 2.0ยฐF | 41.6ยฐF |
Scott County | 44.8ยฐF | 102 | 2.0ยฐF | 42.8ยฐF |
Shelby County | 45.4ยฐF | 106 | 2.7ยฐF | 42.6ยฐF |
Stark County | 41.5ยฐF | 103 | 2.3ยฐF | 39.2ยฐF |
Stephenson County | 39.8ยฐF | 110 | 3.3ยฐF | 36.5ยฐF |
Tazewell County | 43.0ยฐF | 103 | 2.4ยฐF | 40.6ยฐF |
Union County | 48.3ยฐF | 104 | 2.1ยฐF | 46.2ยฐF |
Vermilion County | 43.3ยฐF | 99 | 2.1ยฐF | 41.2ยฐF |
Wabash County | 47.1ยฐF | 101 | 1.9ยฐF | 45.2ยฐF |
Warren County | 42.0ยฐF | 104 | 2.2ยฐF | 39.8ยฐF |
Washington County | 47.0ยฐF | 102 | 2.1ยฐF | 44.9ยฐF |
Wayne County | 47.0ยฐF | 100 | 2.1ยฐF | 44.9ยฐF |
White County | 47.6ยฐF | 97 | 1.9ยฐF | 45.8ยฐF |
Whiteside County | 41.1ยฐF | 108 | 3.0ยฐF | 38.1ยฐF |
Will County | 42.2ยฐF | 105 | 2.6ยฐF | 39.5ยฐF |
Williamson County | 48.0ยฐF | 103 | 2.2ยฐF | 45.8ยฐF |
Winnebago County | 40.0ยฐF | 105 | 2.8ยฐF | 37.2ยฐF |
Woodford County | 42.0ยฐF | 100 | 2.4ยฐF | 39.6ยฐF |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published July 2025, retrieved on July 12, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping