| 08:52 CST |  Overcast | -5°C / 23°F | -10°C / 14°F | 68% | 1010 mb (29.83 in) | W 30 kph (W 18.4 mph) | - | 10SM |
| | KCNU 261452Z AUTO 28016G22KT 10SM FEW041 OVC095 M05/M10 A2984 RMK AO2 SLP114 60000 T10501100 53022 |
| 07:52 CST |  Overcast | -6°C / 21°F | -10°C / 14°F | 74% | 1009 mb (29.8 in) | W 30 kph (W 18.4 mph) | 0.00 mm (0.00 in) | 10SM |
| | KCNU 261352Z AUTO 27016G21KT 10SM FEW040 BKN080 OVC110 M06/M10 A2981 RMK AO2 SNB35E43 SLP106 P0000 T10561100 |
| 06:52 CST |  Overcast | -5°C / 23°F | -11°C / 12°F | 63% | 1009 mb (29.8 in) | W 24 kph (W 15 mph) | - | 10SM |
| | KCNU 261252Z AUTO 27013KT 10SM OVC070 M05/M11 A2979 RMK AO2 SLP099 T10501106 |
| 05:52 CST |  Overcast | -6°C / 21°F | -11°C / 12°F | 68% | 1008 mb (29.77 in) | SSW 20 kph (SSW 12.7 mph) | - | 10SM |
| | KCNU 261152Z AUTO 25011KT 10SM OVC075 M06/M11 A2977 RMK AO2 SLP091 60000 T10611111 11056 21072 53006 |
| 04:52 CST |  Mostly Cloudy | -7°C / 19°F | -12°C / 10°F | 68% | 1008 mb (29.77 in) | SSW 17 kph (SSW 10.4 mph) | - | 10SM |
| | KCNU 261052Z AUTO 24009KT 10SM SCT070 BKN090 M07/M12 A2976 RMK AO2 SLP088 T10671122 |
| 03:52 CST |  Clear | -7°C / 19°F | -12°C / 10°F | 68% | 1007 mb (29.74 in) | SSW 20 kph (SSW 12.7 mph) | - | 10SM |
| | KCNU 260952Z AUTO 24011KT 10SM CLR M07/M12 A2975 RMK AO2 SLP086 T10671122 |
| 02:52 CST |  Clear | -7°C / 19°F | -12°C / 10°F | 68% | 1007 mb (29.74 in) | SSW 22 kph (SSW 13.8 mph) | - | 10SM |
| | KCNU 260852Z AUTO 25012KT 10SM CLR M07/M12 A2975 RMK AO2 SLP086 60000 T10671117 50007 |
| 01:52 CST |  Partly Cloudy | -6°C / 21°F | -12°C / 10°F | 63% | 1007 mb (29.74 in) | SSW 24 kph (SSW 15 mph) | 0.00 mm (0.00 in) | 10SM |
| | KCNU 260752Z AUTO 25013G18KT 10SM FEW030 M06/M12 A2975 RMK AO2 SNB03E21 SLP086 P0000 T10611117 |
| 00:52 CST |  Overcast | -6°C / 21°F | -11°C / 12°F | 68% | 1007 mb (29.74 in) | SSW 17 kph (SSW 10.4 mph) | - | 10SM |
| | KCNU 260652Z AUTO 26009KT 10SM OVC035 M06/M11 A2974 RMK AO2 SLP083 T10561111 |