| 07:51 CST |  Overcast Light Snow | -4°C / 25°F | -7°C / 19°F | 80% | 1006 mb (29.71 in) | SSE 13 kph (SSE 8.1 mph) | 0.00 mm (0.00 in) | 5SM |
| | KMDW 261351Z 16007G17KT 5SM -SN SCT026 BKN045 OVC065 M04/M07 A2971 RMK AO2 SLP075 P0000 T10441072 |
| 07:24 CST |  Overcast Light Snow | -4°C / 25°F | -7°C / 19°F | 80% | 1006 mb (29.71 in) | S 19 kph (S 11.5 mph) | 0.00 mm (0.00 in) | 5SM |
| | KMDW 261324Z 17010G18KT 5SM -SN SCT026 BKN041 OVC060 M04/M07 A2971 RMK AO2 P0000 |
| 06:51 CST |  Overcast Light Snow | -5°C / 23°F | -7°C / 19°F | 86% | 1006 mb (29.71 in) | SSE 22 kph (SSE 13.8 mph) | 0.00 mm (0.00 in) | 3SM |
| | KMDW 261251Z 16012KT 3SM -SN BR SCT019 BKN026 OVC042 M05/M07 A2971 RMK AO2 SLP074 P0000 T10501072 |
| 06:35 CST |  Overcast Light Snow | -5°C / 23°F | -7°C / 19°F | 86% | 1006 mb (29.71 in) | SSE 22 kph (SSE 13.8 mph) | 0.00 mm (0.00 in) | 2SM |
| | KMDW 261235Z 16012G18KT 2SM -SN BR FEW017 BKN023 OVC042 M05/M07 A2971 RMK AO2 P0000 |
| 06:24 CST |  Overcast Light Snow | -5°C / 23°F | -7°C / 19°F | 86% | 1006 mb (29.71 in) | SSE 15 kph (SSE 9.2 mph) | 0.00 mm (0.00 in) | 4SM |
| | KMDW 261224Z 16008G21KT 4SM -SN BR SCT019 BKN025 OVC032 M05/M07 A2970 RMK AO2 P0000 |
| 06:08 CST |  Overcast Light Snow | -5°C / 23°F | -7°C / 19°F | 86% | 1006 mb (29.71 in) | SSE 24 kph (SSE 15 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KMDW 261208Z 15013KT 2 1/2SM -SN BR SCT019 BKN026 OVC031 M05/M07 A2971 RMK AO2 P0000 |
| 05:51 CST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1006 mb (29.71 in) | SE 20 kph (SE 12.7 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KMDW 261151Z 14011KT 1 1/4SM -SN BR SCT017 BKN025 OVC030 M06/M07 A2971 RMK AO2 SLP074 4/001 P0000 60000 70008 T10561072 11050 21067 57006 |
| 05:40 CST |  Overcast Light Snow | -6°C / 21°F | -8°C / 18°F | 86% | 1006 mb (29.71 in) | SSE 19 kph (SSE 11.5 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KMDW 261140Z 15010KT 2 1/2SM -SN BR BKN024 BKN032 OVC042 M06/M08 A2971 RMK AO2 P0000 |
| 05:28 CST |  Overcast Light Snow | -6°C / 21°F | -8°C / 18°F | 86% | 1006 mb (29.71 in) | SSE 19 kph (SSE 11.5 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KMDW 261128Z 15010KT 1 3/4SM -SN BR BKN028 OVC041 M06/M08 A2971 RMK AO2 P0000 |
| 05:22 CST |  Overcast Light Snow | -5°C / 23°F | -8°C / 18°F | 80% | 1006 mb (29.71 in) | SSE 17 kph (SSE 10.4 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KMDW 261122Z 15009G18KT 2 1/2SM -SN BKN030 BKN041 OVC050 M05/M08 A2971 RMK AO2 P0000 |
| 04:51 CST |  Overcast Light Snow | -6°C / 21°F | -8°C / 18°F | 86% | 1006 mb (29.71 in) | SE 20 kph (SE 12.7 mph) | 0.00 mm (0.00 in) | 3SM |
| | KMDW 261051Z 14011KT 3SM -SN BKN041 OVC050 M06/M08 A2971 RMK AO2 SLP074 P0000 T10561083 |
| 04:16 CST |  Overcast Light Snow | -6°C / 21°F | -8°C / 18°F | 86% | 1006 mb (29.71 in) | SSE 17 kph (SSE 10.4 mph) | 0.00 mm (0.00 in) | 3SM |
| | KMDW 261016Z 15009KT 3SM -SN SCT027 BKN041 OVC050 M06/M08 A2972 RMK AO2 P0000 |
| 03:51 CST |  Overcast Light Snow | -6°C / 21°F | -9°C / 16°F | 80% | 1006 mb (29.71 in) | SSE 19 kph (SSE 11.5 mph) | 0.00 mm (0.00 in) | 2SM |
| | KMDW 260951Z 15010KT 2SM -SN BKN034 OVC043 M06/M09 A2972 RMK AO2 SNB23 SLP079 P0000 T10561089 |
| 02:51 CST |  Overcast | -6°C / 21°F | -11°C / 12°F | 68% | 1007 mb (29.74 in) | S 15 kph (S 9.2 mph) | - | 10SM |
| | KMDW 260851Z 17008KT 10SM FEW049 BKN070 OVC085 M06/M11 A2973 RMK AO2 SLP079 60000 T10561111 50003 |
| 01:51 CST |  Overcast | -6°C / 21°F | -12°C / 10°F | 63% | 1007 mb (29.74 in) | S 15 kph (S 9.2 mph) | - | 10SM |
| | KMDW 260751Z 19008KT 10SM FEW044 BKN065 OVC110 M06/M12 A2973 RMK AO2 SLP079 T10611117 |
| 00:51 CST |  Overcast | -6°C / 21°F | -12°C / 10°F | 63% | 1006 mb (29.71 in) | SSE 28 kph (SSE 17.3 mph) | 0.00 mm (0.00 in) | 10SM |
| | KMDW 260651Z 20015G24KT 10SM FEW025 SCT036 OVC100 M06/M12 A2972 RMK AO2 SNE38 SLP074 P0000 T10611122 |
| 00:21 CST |  Overcast Light Snow | -6°C / 21°F | -9°C / 16°F | 80% | 1006 mb (29.71 in) | SW 17 kph (SW 10.4 mph) | 0.00 mm (0.00 in) | 4SM |
| | KMDW 260621Z 23009G15KT 4SM -SN SCT022 BKN028 OVC036 M06/M09 A2970 RMK AO2 P0000 |