| 05:51 CST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1024 mb (30.24 in) | E 28 kph (E 17.3 mph) | - | 10SM |
| | KMDW 231151Z 10015KT 10SM OVC014 M01/M03 A3023 RMK AO2 SLP250 4/003 60000 70005 T10061033 11006 21006 55002 |
| 04:51 CST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1024 mb (30.24 in) | E 26 kph (E 16.1 mph) | 0.00 mm (0.00 in) | 10SM |
| | KMDW 231051Z 08014KT 10SM OVC012 M01/M03 A3023 RMK AO2 SNB0953E0956 SLP249 P0000 T10061033 |
| 04:29 CST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1024 mb (30.24 in) | E 20 kph (E 12.7 mph) | 0.00 mm (0.00 in) | 8SM |
| | KMDW 231029Z 09011G21KT 8SM OVC012 M01/M03 A3023 RMK AO2 SNB0953E0956 P0000 |
| 03:51 CST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1024 mb (30.24 in) | E 30 kph (E 18.4 mph) | 0.00 mm (0.00 in) | 9SM |
| | KMDW 230951Z 10016KT 9SM OVC016 M01/M03 A3024 RMK AO2 SNE00 SLP252 P0000 T10061033 |
| 02:51 CST |  Overcast Light Snow | -1°C / 30°F | -3°C / 27°F | 86% | 1024 mb (30.24 in) | E 28 kph (E 17.3 mph) | 0.00 mm (0.00 in) | 9SM |
| | KMDW 230851Z 09015KT 9SM -SN OVC021 M01/M03 A3024 RMK AO2 SNB18 SLP251 P0000 60000 T10061033 58002 |
| 02:01 CST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1024 mb (30.24 in) | E 28 kph (E 17.3 mph) | - | 10SM |
| | KMDW 230801Z 10015KT 10SM BKN017 BKN023 OVC050 M01/M03 A3025 RMK AO2 |
| 01:51 CST |  Overcast | -1°C / 30°F | -4°C / 25°F | 80% | 1024 mb (30.24 in) | E 24 kph (E 15 mph) | - | 10SM |
| | KMDW 230751Z 10013G21KT 10SM SCT017 OVC050 M01/M04 A3025 RMK AO2 SLP256 T10061039 |
| 01:43 CST |  Overcast | -1°C / 30°F | -4°C / 25°F | 80% | 1024 mb (30.24 in) | E 26 kph (E 16.1 mph) | - | 9SM |
| | KMDW 230743Z 10014G21KT 9SM SCT017 OVC050 M01/M04 A3025 RMK AO2 |
| 00:51 CST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1024 mb (30.24 in) | E 28 kph (E 17.3 mph) | - | 9SM |
| | KMDW 230651Z 09015G19KT 9SM BKN017 OVC050 M01/M03 A3024 RMK AO2 SLP254 T10061033 |
| 00:17 CST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1024 mb (30.24 in) | E 22 kph (E 13.8 mph) | - | 10SM |
| | KMDW 230617Z 10012G19KT 10SM BKN017 OVC050 M01/M03 A3025 RMK AO2 |