Illinois — Click on a column heading below to sort this information.
| Place | Temp | Humidity | Pressure | Conditions | Wind | Updated |
| Alton | 46 °F | 92% | 30.12 in | Mostly Cloudy | ENE at 4 mph | 12:45 AM CST |
| Aurora | 38 °F | 89% | 30.15 in | Clear | SSE at 4 mph | 12:52 AM CST |
| Belleville | 41 °F | 100% | 30.12 in | Clear | Calm | 12:57 AM CST |
| Bloomington | 37 °F | 93% | 30.18 in | Clear | North at - | 12:56 AM CST |
| Cahokia | 41 °F | 96% | 30.12 in | Mostly Cloudy | Calm | 12:53 AM CST |
| Carbondale | 41 °F | 93% | 30.13 in | Scattered Clouds | South at 4 mph | 12:52 AM CST |
| Centralia | 42 °F | 62% | 30.11 in | Haze | East at 4 mph | 12:45 AM CST |
| Champaign | 37 °F | 89% | 30.17 in | Clear | ENE at 5 mph | 12:53 AM CST |
| Chicago | 41 °F | 82% | 30.17 in | Scattered Clouds | WSW at 5 mph | 12:51 AM CST |
| Danville | 39 °F | 97% | 30.13 in | Overcast | Calm | 12:45 AM CST |
| Decatur | 35 °F | 92% | 30.16 in | Clear | ENE at 4 mph | 12:54 AM CST |
| Dekalb | 34 °F | 94% | 30.13 in | Clear | SW at 4 mph | 12:43 AM CST |
| Fairfield | 45 °F | 93% | 30.13 in | Clear | Calm | 12:45 AM CST |
| Flora | 42 °F | 97% | 30.13 in | Clear | Calm | 12:45 AM CST |
| Freeport | 32 °F | 91% | 30.14 in | Clear | Calm | 12:45 AM CST |
| Galesburg | 34 °F | 100% | 30.13 in | Clear | Calm | 12:45 AM CST |
| Harrisburg | 37 °F | 100% | 30.13 in | Clear | Calm | 12:45 AM CST |
| Jacksonville | 36 °F | 96% | 30.14 in | Clear | East at 4 mph | 12:45 AM CST |
| Joliet | 34 °F | 90% | 30.15 in | Clear | Calm | 12:44 AM CST |
| Kankakee | 37 °F | 93% | 30.16 in | Clear | Calm | 12:25 AM CST |
| Lacon | 34 °F | 98% | 30.15 in | Clear | Calm | 12:45 AM CST |
| Lawrenceville | 41 °F | 89% | 30.14 in | Clear | NE at 5 mph | 12:53 AM CST |
| Marion | 44 °F | 93% | 30.13 in | Clear | Calm | 12:45 AM CST |
| Moline | 33 °F | 92% | 30.16 in | Clear | Calm | 12:52 AM CST |
| Morris | 36 °F | 93% | 30.14 in | Clear | WNW at 5 mph | 12:45 AM CST |
| Mount Vernon | 41 °F | 93% | 30.13 in | Clear | NNE at 4 mph | 12:55 AM CST |
| Paris | 36 °F | 100% | 30.15 in | Overcast | Calm | 12:49 AM CST |
| Peoria | 35 °F | 92% | 30.17 in | Clear | Calm | 12:54 AM CST |
| Pittsfield | 39 °F | 93% | 30.13 in | Clear | NE at 5 mph | 12:45 AM CST |
| Pontiac | 37 °F | 93% | 30.15 in | Clear | Calm | 12:45 AM CST |
| Quincy | 40 °F | 93% | 30.13 in | Partly Cloudy | East at 5 mph | 12:54 AM CST |
| Rantoul | 37 °F | 89% | 30.17 in | Clear | ENE at 5 mph | 12:53 AM CST |
| Rochelle | 32 °F | 96% | 30.15 in | Clear | SW at 4 mph | 12:45 AM CST |
| Rockford | 34 °F | 96% | 30.18 in | Clear | Calm | 12:54 AM CST |
| Salem | 46 °F | 92% | 30.13 in | Clear | East at 5 mph | 12:45 AM CST |
| Sparta | 46 °F | 93% | 30.12 in | Clear | SSE at 5 mph | 12:45 AM CST |
| Springfield | 37 °F | 89% | 30.15 in | Clear | East at 4 mph | 12:52 AM CST |
| Sterling | 32 °F | 93% | 30.16 in | Clear | Calm | 12:55 AM CST |
| Taylorville | 41 °F | 93% | 30.13 in | Clear | ENE at 4 mph | 12:45 AM CST |
| Waukegan | 41 °F | 86% | 30.14 in | Clear | WSW at 4 mph | 12:52 AM CST |
