| 06:22 CST |  Clear | -6°C / 21°F | -8°C / 18°F | 86% | 1024 mb (30.24 in) | NNW 6 kph (NNW 3.5 mph) | - | 7SM |
| | KCIR 051222Z AUTO 33003KT 7SM CLR M06/M08 A3024 RMK AO2 |
| 06:02 CST |  Clear | -5°C / 23°F | -7°C / 19°F | 86% | 1024 mb (30.24 in) | Calm | - | 7SM |
| | KCIR 051202Z AUTO 00000KT 7SM CLR M05/M07 A3023 RMK AO2 |
| 05:42 CST |  Clear | -6°C / 21°F | -8°C / 18°F | 86% | 1024 mb (30.24 in) | Calm | - | 7SM |
| | KCIR 051142Z AUTO 00000KT 7SM CLR M06/M08 A3023 RMK AO2 |
| 05:22 CST |  Clear | -5°C / 23°F | -8°C / 18°F | 80% | 1024 mb (30.24 in) | Calm | - | 7SM |
| | KCIR 051122Z AUTO 00000KT 7SM CLR M05/M08 A3023 RMK AO2 |
| 05:02 CST |  Clear | -5°C / 23°F | -7°C / 19°F | 86% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KCIR 051102Z AUTO 00000KT 10SM CLR M05/M07 A3023 RMK AO2 |
| 04:42 CST |  Clear | -5°C / 23°F | -7°C / 19°F | 86% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KCIR 051042Z AUTO 00000KT 10SM CLR M05/M07 A3024 RMK AO2 |
| 04:22 CST |  Clear | -5°C / 23°F | -7°C / 19°F | 86% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KCIR 051022Z AUTO 00000KT 10SM CLR M05/M07 A3024 RMK AO2 |
| 04:02 CST |  Clear | -5°C / 23°F | -7°C / 19°F | 86% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KCIR 051002Z AUTO 00000KT 10SM CLR M05/M07 A3024 RMK AO2 |
| 03:42 CST |  Clear | -5°C / 23°F | -7°C / 19°F | 86% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KCIR 050942Z AUTO 00000KT 10SM CLR M05/M07 A3024 RMK AO2 |
| 03:22 CST |  Clear | -5°C / 23°F | -7°C / 19°F | 86% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KCIR 050922Z AUTO 00000KT 10SM CLR M05/M07 A3024 RMK AO2 |
| 03:02 CST |  Clear | -5°C / 23°F | -8°C / 18°F | 80% | 1024 mb (30.24 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KCIR 050902Z AUTO 36003KT 10SM CLR M05/M08 A3024 RMK AO2 |
| 02:42 CST |  Clear | -5°C / 23°F | -7°C / 19°F | 86% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KCIR 050842Z AUTO 00000KT 10SM CLR M05/M07 A3024 RMK AO2 |
| 02:22 CST |  Clear | -4°C / 25°F | -7°C / 19°F | 80% | 1024 mb (30.24 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KCIR 050822Z AUTO 36003KT 10SM CLR M04/M07 A3024 RMK AO2 |
| 02:02 CST |  Clear | -4°C / 25°F | -7°C / 19°F | 80% | 1024 mb (30.24 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KCIR 050802Z AUTO 35003KT 10SM CLR M04/M07 A3023 RMK AO2 |
| 01:42 CST |  Clear | -4°C / 25°F | -7°C / 19°F | 80% | 1024 mb (30.24 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KCIR 050742Z AUTO 35003KT 10SM CLR M04/M07 A3023 RMK AO2 |
| 01:22 CST |  Clear | -4°C / 25°F | -7°C / 19°F | 80% | 1024 mb (30.24 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KCIR 050722Z AUTO 35003KT 10SM CLR M04/M07 A3023 RMK AO2 |
| 01:02 CST |  Clear | -4°C / 25°F | -7°C / 19°F | 80% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KCIR 050702Z AUTO 00000KT 10SM CLR M04/M07 A3023 RMK AO2 |
| 00:42 CST |  Clear | -4°C / 25°F | -6°C / 21°F | 86% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KCIR 050642Z AUTO 00000KT 10SM CLR M04/M06 A3023 RMK AO2 |
| 00:22 CST |  Clear | -4°C / 25°F | -6°C / 21°F | 86% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KCIR 050622Z AUTO 00000KT 10SM CLR M04/M06 A3023 RMK AO2 |
| 00:02 CST |  Clear | -4°C / 25°F | -6°C / 21°F | 86% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KCIR 050602Z AUTO 00000KT 10SM CLR M04/M06 A3023 RMK AO2 |