| 02:51 CST |  Overcast Rain | 3°C / 37°F | 2°C / 36°F | 93% | 1000 mb (29.53 in) | E 37 kph (E 23 mph) | 1.78 mm (0.07 in) | 6SM |
| | KORD 250851Z 10020G26KT 6SM RA BR BKN010 OVC014 03/02 A2954 RMK AO2 PK WND 10026/0850 SLP007 P0007 60023 T00280017 58042 |
| 02:22 CST |  Overcast Light Rain | 3°C / 37°F | 1°C / 34°F | 87% | 1001 mb (29.56 in) | E 35 kph (E 21.9 mph) | 0.51 mm (0.02 in) | 6SM |
| | KORD 250822Z 10019G24KT 6SM -RA BR SCT010 BKN014 OVC029 03/01 A2955 RMK AO2 P0002 |
| 01:51 CST |  Overcast Light Rain | 2°C / 36°F | 1°C / 34°F | 93% | 1001 mb (29.56 in) | E 30 kph (E 18.4 mph) | 2.29 mm (0.09 in) | 6SM |
| | KORD 250751Z 10016KT 6SM -RA BR FEW010 BKN016 OVC020 02/01 A2957 RMK AO2 SLP020 P0009 T00220011 |
| 01:37 CST |  Overcast Light Rain | 2°C / 36°F | 1°C / 34°F | 93% | 1002 mb (29.59 in) | E 32 kph (E 19.6 mph) | 2.29 mm (0.09 in) | 6SM |
| | KORD 250737Z 10017KT 6SM -RA BR BKN015 OVC020 02/01 A2959 RMK AO2 P0009 |
| 01:06 CST |  Overcast Rain | 2°C / 36°F | 1°C / 34°F | 93% | 1003 mb (29.62 in) | E 30 kph (E 18.4 mph) | 0.76 mm (0.03 in) | 6SM |
| | KORD 250706Z 10016KT 6SM RA BR SCT022 BKN028 OVC033 02/01 A2962 RMK AO2 P0003 |
| 00:51 CST |  Overcast Rain | 2°C / 36°F | 1°C / 34°F | 93% | 1003 mb (29.62 in) | E 26 kph (E 16.1 mph) | 1.78 mm (0.07 in) | 6SM |
| | KORD 250651Z 09014KT 6SM RA BR FEW024 BKN031 OVC065 02/01 A2963 RMK AO2 SLP038 P0007 T00220006 |