County Mapping

County | Value | Rank 130 Years | Anomaly | 1901- |
---|---|---|---|---|
Adams County | 29.4ยฐF | 20 | -2.7ยฐF | 32.2ยฐF |
Alexander County | 36.3ยฐF | 23 | -2.3ยฐF | 38.6ยฐF |
Bond County | 32.6ยฐF | 24 | -2.4ยฐF | 34.9ยฐF |
Boone County | 24.9ยฐF | 34 | -1.8ยฐF | 26.6ยฐF |
Brown County | 29.4ยฐF | 21 | -2.6ยฐF | 32.0ยฐF |
Bureau County | 26.4ยฐF | 34 | -1.8ยฐF | 28.2ยฐF |
Calhoun County | 31.8ยฐF | 24 | -2.5ยฐF | 34.3ยฐF |
Carroll County | 24.5ยฐF | 36 | -1.8ยฐF | 26.3ยฐF |
Cass County | 29.7ยฐF | 22 | -2.4ยฐF | 32.2ยฐF |
Champaign County | 29.4ยฐF | 34 | -1.8ยฐF | 31.2ยฐF |
Christian County | 31.0ยฐF | 30 | -1.9ยฐF | 32.9ยฐF |
Clark County | 31.3ยฐF | 27 | -2.3ยฐF | 33.6ยฐF |
Clay County | 32.9ยฐF | 27 | -2.1ยฐF | 35.0ยฐF |
Clinton County | 33.3ยฐF | 21 | -2.4ยฐF | 35.6ยฐF |
Coles County | 30.3ยฐF | 24 | -2.6ยฐF | 32.8ยฐF |
Cook County | 28.0ยฐF | 37 | -1.5ยฐF | 29.5ยฐF |
Crawford County | 32.5ยฐF | 27 | -2.1ยฐF | 34.7ยฐF |
Cumberland County | 31.4ยฐF | 28 | -2.2ยฐF | 33.6ยฐF |
DeKalb County | 25.5ยฐF | 34 | -1.8ยฐF | 27.4ยฐF |
De Witt County | 29.2ยฐF | 34 | -1.7ยฐF | 30.9ยฐF |
Douglas County | 29.6ยฐF | 23 | -2.4ยฐF | 32.1ยฐF |
DuPage County | 26.9ยฐF | 35 | -1.8ยฐF | 28.7ยฐF |
Edgar County | 30.4ยฐF | 28 | -2.3ยฐF | 32.7ยฐF |
Edwards County | 34.2ยฐF | 27 | -2.1ยฐF | 36.3ยฐF |
Effingham County | 32.1ยฐF | 33 | -1.9ยฐF | 33.9ยฐF |
Fayette County | 32.2ยฐF | 25 | -2.2ยฐF | 34.4ยฐF |
Ford County | 28.4ยฐF | 33 | -1.8ยฐF | 30.2ยฐF |
Franklin County | 34.8ยฐF | 28 | -2.0ยฐF | 36.8ยฐF |
Fulton County | 28.7ยฐF | 28 | -2.2ยฐF | 30.9ยฐF |
Gallatin County | 35.2ยฐF | 18 | -2.6ยฐF | 37.8ยฐF |
Greene County | 31.7ยฐF | 26 | -2.2ยฐF | 34.0ยฐF |
Grundy County | 27.5ยฐF | 36 | -1.6ยฐF | 29.1ยฐF |
Hamilton County | 34.4ยฐF | 22 | -2.3ยฐF | 36.7ยฐF |
Hancock County | 29.0ยฐF | 28 | -2.2ยฐF | 31.2ยฐF |
Hardin County | 35.8ยฐF | 22 | -2.4ยฐF | 38.2ยฐF |
Henderson County | 27.5ยฐF | 23 | -2.4ยฐF | 29.9ยฐF |
Henry County | 26.3ยฐF | 33 | -2.0ยฐF | 28.3ยฐF |
Iroquois County | 28.4ยฐF | 33 | -1.8ยฐF | 30.3ยฐF |
Jackson County | 35.0ยฐF | 26 | -2.0ยฐF | 37.0ยฐF |
Jasper County | 32.3ยฐF | 29 | -2.1ยฐF | 34.4ยฐF |
Jefferson County | 34.1ยฐF | 29 | -2.1ยฐF | 36.1ยฐF |
Jersey County | 32.3ยฐF | 26 | -2.4ยฐF | 34.6ยฐF |
Jo Daviess County | 23.6ยฐF | 32 | -2.1ยฐF | 25.8ยฐF |
Johnson County | 35.4ยฐF | 19 | -2.5ยฐF | 37.9ยฐF |
Kane County | 26.0ยฐF | 34 | -1.8ยฐF | 27.9ยฐF |
Kankakee County | 28.5ยฐF | 39 | -1.3ยฐF | 29.8ยฐF |
Kendall County | 27.1ยฐF | 37 | -1.7ยฐF | 28.8ยฐF |
Knox County | 27.1ยฐF | 30 | -2.2ยฐF | 29.3ยฐF |
Lake County | 26.5ยฐF | 37 | -1.7ยฐF | 28.2ยฐF |
LaSalle County | 26.9ยฐF | 35 | -1.8ยฐF | 28.7ยฐF |
Lawrence County | 33.2ยฐF | 25 | -2.4ยฐF | 35.6ยฐF |
Lee County | 25.7ยฐF | 36 | -1.5ยฐF | 27.2ยฐF |
Livingston County | 27.7ยฐF | 35 | -1.8ยฐF | 29.5ยฐF |
Logan County | 29.5ยฐF | 32 | -2.1ยฐF | 31.6ยฐF |
McDonough County | 28.4ยฐF | 27 | -2.2ยฐF | 30.6ยฐF |
McHenry County | 25.0ยฐF | 34 | -1.8ยฐF | 26.8ยฐF |
McLean County | 28.5ยฐF | 36 | -1.5ยฐF | 30.0ยฐF |
Macon County | 30.2ยฐF | 33 | -1.7ยฐF | 31.9ยฐF |
Macoupin County | 31.4ยฐF | 27 | -2.4ยฐF | 33.8ยฐF |
Madison County | 33.3ยฐF | 27 | -2.2ยฐF | 35.5ยฐF |
Marion County | 33.0ยฐF | 27 | -2.2ยฐF | 35.2ยฐF |
Marshall County | 27.3ยฐF | 32 | -2.0ยฐF | 29.3ยฐF |
Mason County | 29.6ยฐF | 28 | -2.2ยฐF | 31.8ยฐF |
Massac County | 36.2ยฐF | 17 | -2.6ยฐF | 38.8ยฐF |
Menard County | 30.0ยฐF | 29 | -2.1ยฐF | 32.0ยฐF |
Mercer County | 26.5ยฐF | 25 | -2.4ยฐF | 28.9ยฐF |
Monroe County | 34.4ยฐF | 23 | -2.2ยฐF | 36.7ยฐF |
Montgomery County | 31.5ยฐF | 25 | -2.3ยฐF | 33.8ยฐF |
Morgan County | 30.1ยฐF | 26 | -2.4ยฐF | 32.5ยฐF |
Moultrie County | 30.2ยฐF | 29 | -2.2ยฐF | 32.4ยฐF |
Ogle County | 24.9ยฐF | 34 | -1.8ยฐF | 26.7ยฐF |
Peoria County | 27.8ยฐF | 31 | -2.2ยฐF | 29.9ยฐF |
Perry County | 34.4ยฐF | 29 | -2.0ยฐF | 36.4ยฐF |
Piatt County | 29.5ยฐF | 33 | -1.9ยฐF | 31.4ยฐF |
Pike County | 30.5ยฐF | 22 | -2.6ยฐF | 33.1ยฐF |
Pope County | 35.6ยฐF | 18 | -2.5ยฐF | 38.2ยฐF |
Pulaski County | 36.4ยฐF | 23 | -2.3ยฐF | 38.7ยฐF |
Putnam County | 27.4ยฐF | 35 | -1.9ยฐF | 29.2ยฐF |
Randolph County | 34.3ยฐF | 24 | -2.3ยฐF | 36.6ยฐF |
Richland County | 33.1ยฐF | 25 | -2.4ยฐF | 35.4ยฐF |
Rock Island County | 26.2ยฐF | 27 | -2.2ยฐF | 28.4ยฐF |
St. Clair County | 33.9ยฐF | 23 | -2.4ยฐF | 36.3ยฐF |
Saline County | 35.0ยฐF | 18 | -2.4ยฐF | 37.5ยฐF |
Sangamon County | 30.5ยฐF | 29 | -2.0ยฐF | 32.5ยฐF |
Schuyler County | 29.2ยฐF | 23 | -2.4ยฐF | 31.6ยฐF |
Scott County | 30.7ยฐF | 24 | -2.4ยฐF | 33.1ยฐF |
Shelby County | 31.2ยฐF | 31 | -2.0ยฐF | 33.2ยฐF |
Stark County | 26.7ยฐF | 31 | -2.1ยฐF | 28.8ยฐF |
Stephenson County | 23.6ยฐF | 31 | -2.1ยฐF | 25.8ยฐF |
Tazewell County | 28.6ยฐF | 32 | -2.0ยฐF | 30.6ยฐF |
Union County | 35.5ยฐF | 24 | -2.1ยฐF | 37.6ยฐF |
Vermilion County | 29.7ยฐF | 35 | -1.9ยฐF | 31.6ยฐF |
Wabash County | 34.2ยฐF | 26 | -2.2ยฐF | 36.4ยฐF |
Warren County | 27.2ยฐF | 29 | -2.2ยฐF | 29.4ยฐF |
Washington County | 33.7ยฐF | 26 | -2.3ยฐF | 36.0ยฐF |
Wayne County | 33.8ยฐF | 27 | -2.2ยฐF | 36.0ยฐF |
White County | 34.6ยฐF | 20 | -2.5ยฐF | 37.1ยฐF |
Whiteside County | 26.0ยฐF | 38 | -1.4ยฐF | 27.5ยฐF |
Will County | 28.3ยฐF | 40 | -1.2ยฐF | 29.5ยฐF |
Williamson County | 34.9ยฐF | 24 | -2.3ยฐF | 37.2ยฐF |
Winnebago County | 24.7ยฐF | 34 | -1.8ยฐF | 26.5ยฐF |
Woodford County | 27.7ยฐF | 33 | -1.8ยฐF | 29.4ยฐF |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published July 2025, retrieved on July 13, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping