La météo dans toutes les localités de l'Illinois
C
- Cabery
- Cabrini Addition
- Cadiz
- Cahokia
- St. Louis Downtown Airport Cahokia
- Cairo
- Caledonia
- Calhoun
- California Park
- Calumet City
- Calumet Park
- Calvin
- Camargo
- Cambon
- Cambria
- Cambridge
- Camden
- Camp Point
- Campbell Hill
- Campton Hills
- Campus
- Canal Trustees
- Canton
- Capri Village
- Capron
- Carbon
- Carbon Cliff
- Carbon Hill
- Carbondale
- Southern Illinois Airport Carbondale
- Carillon
- Carl Sandburg Village
- Carlinville
- Carlock
- Carlyle
- Carman
- Carmi
- Carol Stream
- Carpenter
- Carpenters Addition
- Carpentersville
- Carrier Mills
- Carrollton
- Carterville
- Carthage
- Carville
- Cary
- Casey
- Caseyville
- Catlin
- Cave-In-Rock
- Cayuga
- Cedar Lawn
- Cedar Point
- Cedarville
- Central City
- Central Station
- Centralia
- Centreville
- Cerro Gordo
- Chadwick
- Challacombe
- Champaign
- University Of Illinois-Willard Airport Champaign
- Chana
- Chandlerville
- Channahon
- Chapin
- Charleston
- Charring Cross
- Chatham
- Chatham Fields
- Chatsworth
- Chebanse
- Checkrow
- Chemung
- Chenoa
- Cherry
- Cherry Valley
- Chester
- Chesterfield
- Chestnut
- Chestnut Mountain Resort
- Chicago
- Chicago Heights
- Chicago Lawn
- Chicago Nexrad
- Chicago Ridge
- Chicago Rockford International Airport
- Aeropuerto Internacional O'Hare Chicago
- Aeropuerto Midway Chicago
- Dupage County Airport Chicago
- Estación de Guardacostas de Calumet Chicago
- Meigs Chicago
- Aeropuerto Pal-Waukee Wheeling Chicago
- Chili
- Chillicothe
- Chinatown
- Chrisman
- Christopher
- Churchville
- Cicero
- Cincinnati
- Cisco
- Cisne
- Cissna Park
- Citation Lake
- Cityfront Center
- Cityfront Place
- Claremont
- Claremont Cottages
- Clarion
- Clarksburg
- Clay City
- Clayton
- Clear Lake
- Clearing
- Cleburne
- Cleone
- Cleveland
- Clifton
- Clinton
- Coal City
- Coal Valley
- Coalton
- Coatsburg
- Cobden
- Coffeen
- Colchester
- Coles
- Coleta
- Colfax
- Collinsville
- Collison
- Colmar
- Colona
- Colonial Gardens
- Colp
- Columbia
- Columbus
- Combs
- Como
- Compton
- Conant
- Concord
- Congerville
- Conleys Patch
- Conover
- Cooksville
- Cordes
- Cordova
- Cornell
- Cortland
- Cotswald Subdivision
- Cotton Hill
- Coulterville
- Country Club Estates
- Country Club Estates
- Country Club Hills
- Countryside
- Coventry Hills
- Cowden
- Cragin
- Crain
- Crainville
- Crawford
- Creal Springs
- Creekside
- Crescent City
- Crest Hill
- Creston
- Crestwood
- Crete
- Creve Coeur
- Crossing
- Crossville
- Cruse
- Crystal Lake
- Crystal Manor
- Cuba
- Cuba
- Cullom
- Culver
- Cumberland
- Curran
- Cutler
- Cuyler
- Cypress