Temperature in degrees Farenheit
| Alton/St. Louis, St. Louis Regional Airport | 63 |
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| Aurora, Aurora Municipal Airport | 61 |
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| Belleville, Scott AFB/MidAmerica Airport | 63 |
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| Bloomington/Normal, Central Illinois Regional Airport at Bloomin | 61 |
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| Cahokia / St. Louis, St. Louis Downtown Airport | 64 |
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| Cairo, Cairo Regional Airport | 70 |
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| Carbondale / Murphysboro, Southern Illinois Airport | 64 |
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| Carmi, Carmi Municipal Airport | 64 |
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| Centralia, Centralia Municipal Airport | 66 |
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| Champaign / Urbana, University Of Illinois-Willard Airport | 61 |
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| Chicago / Waukegan, Waukegan Regional Airport | 61 |
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| Chicago / West Chicago, Dupage Airport | 63 |
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| Chicago / Wheeling, Pal-Waukee Airport | 61 |
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| Chicago, Chicago Midway Airport | 63 |
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| Chicago, Chicago-O'Hare International Airport | 63 |
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| Chicago, Lansing Municipal Airport | 63 |
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| Chicago/Romeoville, Lewis University Airport | 61 |
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| Danville, Vermilion County Airport | 63 |
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| De Kalb, De Kalb Taylor Municipal Airport | 61 |
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| Decatur, Decatur Airport | 61 |
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| Fairfield, Fairfield Municipal Airport | 66 |
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| Flora, Flora Municipal Airport | 63 |
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| Freeport, Albertus Airport | 57 |
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| Galesburg, Galesburg Municipal Airport | 63 |
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| Harrisburg, Harrisburg-Raleigh Airport | 68 |
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| Jacksonville, Jacksonville Municipal Airport | 63 |
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| Joliet, Joliet Regional Airport | 61 |
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| Kankakee, Greater Kankakee Airport | 64 |
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| Lawrenceville, Lawrenceville-Vincennes International Airport | 63 |
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| Lincoln, Logan County Airport | 59 |
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| Macomb, Macomb Municipal Airport | 63 |
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| Marion, Williamson County Regional Airport | 64 |
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| Mattoon / Charleston, Coles County Memorial Airport | 63 |
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| Moline, Quad-City Airport | 61 |
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| Mount Carmel, Mount Carmel Municipal Airport | 63 |
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| Mount Vernon, Mount Vernon Airport | 66 |
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| Olney-Noble, Olney-Noble Airport | 66 |
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| Paris, Edgar County Airport | 63 |
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| Peoria, Greater Peoria Regional Airport | 63 |
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| Peru, Illinois Valley Regional-Walter A Duncan Field Airport | 64 |
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| Pittsfield, Pittsfield Penstone Municipal Airport | 61 |
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| Pontiac, Pontiac Municipal Airport | 63 |
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| Quincy, Quincy Regional-Baldwin Field Airport | 61 |
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| Rantoul, Rantoul National Aviation Center Airport-Frank Elliott | 63 |
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| Robinson, Robinson Municipal Airport | 64 |
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| Rochelle, Rochelle Municipal-Koritz Field Airport | 55 |
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| Rockford, Greater Rockford Airport | 61 |
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| Salem, Salem-Leckrone Airport | 64 |
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| Sparta, Sparta Community-Hunter Field Airport | 66 |
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| Springfield, Abraham Lincoln Capital Airport | 61 |
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| Sterling Rockfalls | 61 |
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| Taylorville, Taylorville Municipal Airport | 64 |
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