| 01:56 CST |  Clear | -15°C / 5°F | -17°C / 1°F | 85% | 1015 mb (29.97 in) | S 13 kph (S 8.1 mph) | - | 10SM |
| | KLYV 120756Z AUTO 18007KT 10SM CLR M15/M17 A2998 RMK AO2 |
| 01:37 CST |  Clear | -16°C / 3°F | -18°C / 0°F | 85% | 1015 mb (29.97 in) | S 9 kph (S 5.8 mph) | - | 10SM |
| | KLYV 120737Z AUTO 18005KT 10SM CLR M16/M18 A2998 RMK AO2 |
| 01:16 CST |  Clear | -15°C / 5°F | -17°C / 1°F | 85% | 1015 mb (29.97 in) | Calm | - | 10SM |
| | KLYV 120716Z AUTO 00000KT 10SM CLR M15/M17 A2998 RMK AO2 |
| 00:56 CST |  Clear | -16°C / 3°F | -18°C / 0°F | 85% | 1016 mb (30 in) | Calm | - | 10SM |
| | KLYV 120656Z AUTO 00000KT 10SM CLR M16/M18 A2999 RMK AO2 |
| 00:36 CST |  Clear | -16°C / 3°F | -18°C / 0°F | 85% | 1016 mb (30 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KLYV 120636Z AUTO 17004KT 10SM CLR M16/M18 A2999 RMK AO2 |
| 00:16 CST |  Clear | -15°C / 5°F | -17°C / 1°F | 85% | 1016 mb (30 in) | Calm | - | 10SM |
| | KLYV 120616Z AUTO 00000KT 10SM CLR M15/M17 A2999 RMK AO2 |