| 06:52 CST |  Clear | -11°C / 12°F | -15°C / 5°F | 73% | 1033 mb (30.5 in) | N 15 kph (N 9.2 mph) | - | 10SM |
| | KCNU 151252Z AUTO 36008KT 10SM CLR M11/M15 A3051 RMK AO2 SLP346 T11111150 |
| 05:52 CST |  Clear | -11°C / 12°F | -14°C / 7°F | 79% | 1032 mb (30.48 in) | N 20 kph (N 12.7 mph) | - | 10SM |
| | KCNU 151152Z AUTO 36011KT 10SM CLR M11/M14 A3048 RMK AO2 SLP336 T11111144 11083 21111 53020 |
| 04:52 CST |  Clear | -11°C / 12°F | -14°C / 7°F | 79% | 1031 mb (30.45 in) | N 17 kph (N 10.4 mph) | - | 10SM |
| | KCNU 151052Z AUTO 36009KT 10SM CLR M11/M14 A3045 RMK AO2 SLP326 T11061144 |
| 03:52 CST |  Clear | -11°C / 12°F | -14°C / 7°F | 79% | 1030 mb (30.42 in) | N 15 kph (N 9.2 mph) | - | 10SM |
| | KCNU 150952Z AUTO 35008KT 10SM CLR M11/M14 A3043 RMK AO2 SLP319 T11061139 |
| 02:52 CST |  Clear | -10°C / 14°F | -14°C / 7°F | 73% | 1030 mb (30.42 in) | N 20 kph (N 12.7 mph) | - | 10SM |
| | KCNU 150852Z AUTO 36011KT 10SM CLR M10/M14 A3042 RMK AO2 SLP313 T11001139 53017 |
| 01:52 CST |  Clear | -9°C / 16°F | -13°C / 9°F | 73% | 1029 mb (30.39 in) | N 22 kph (N 13.8 mph) | - | 10SM |
| | KCNU 150752Z AUTO 36012KT 10SM CLR M09/M13 A3038 RMK AO2 SLP303 T10891133 |
| 00:52 CST |  Clear | -9°C / 16°F | -13°C / 9°F | 73% | 1029 mb (30.39 in) | NNW 20 kph (NNW 12.7 mph) | - | 10SM |
| | KCNU 150652Z AUTO 34011KT 10SM CLR M09/M13 A3039 RMK AO2 SLP305 T10891133 |