| Place: Temperature |
|---|
| Alton: 24°C |
| Aurora: 21°C |
| Belleville: 24°C |
| Bloomington: 23°C |
| Cahokia: 25°C |
|
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| Centralia: 26°C |
| Champaign: 22°C |
| Chicago: 20°C |
| Danville: 23°C |
| Decatur: 23°C |
| Dekalb: 20°C |
|
|
| Flora: 24°C |
| Freeport: 21°C |
| Galesburg: 22°C |
|
|
|
|
| Joliet: 20°C |
| Kankakee: 21°C |
| Lacon: 22°C |
| Lawrenceville: 24°C |
|
|
| Moline: 24°C |
| Morris: 22°C |
|
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| Paris: 21°C |
| Peoria: 24°C |
|
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| Pontiac: 23°C |
|
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| Rantoul: 23°C |
| Rochelle: 21°C |
| Rockford: 22°C |
| Salem: 24°C |
| Sparta: 26°C |
| Springfield: 23°C |
| Sterling: 22°C |
| Taylorville: 23°C |
| Waukegan: 18°C |