| 06:15 CST |  Clear | -6°C / 21°F | -9°C / 16°F | 80% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KARG 051215Z AUTO 00000KT 10SM CLR M06/M09 A3026 RMK AO1 |
| 05:55 CST |  Clear | -6°C / 21°F | -9°C / 16°F | 80% | 1024 mb (30.24 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KARG 051155Z AUTO 31003KT 10SM CLR M06/M09 A3025 RMK AO1 11030 21060 54000 |
| 05:35 CST |  Clear | -6°C / 21°F | -9°C / 16°F | 80% | 1024 mb (30.24 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KARG 051135Z AUTO 31003KT 10SM CLR M06/M09 A3025 RMK AO1 |
| 05:15 CST |  Clear | -6°C / 21°F | -9°C / 16°F | 80% | 1024 mb (30.24 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KARG 051115Z AUTO 30003KT 10SM CLR M06/M09 A3025 RMK AO1 |
| 04:55 CST |  Clear | -6°C / 21°F | -9°C / 16°F | 80% | 1024 mb (30.24 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KARG 051055Z AUTO 31003KT 10SM CLR M06/M09 A3025 RMK AO1 |
| 04:35 CST |  Clear | -5°C / 23°F | -8°C / 18°F | 80% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KARG 051035Z AUTO 00000KT 10SM CLR M05/M08 A3024 RMK AO1 |
| 04:15 CST |  Clear | -5°C / 23°F | -8°C / 18°F | 80% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KARG 051015Z AUTO 00000KT 10SM CLR M05/M08 A3025 RMK AO1 |
| 03:55 CST |  Clear | -5°C / 23°F | -8°C / 18°F | 80% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KARG 050955Z AUTO 00000KT 10SM CLR M05/M08 A3025 RMK AO1 |
| 03:35 CST |  Clear | -5°C / 23°F | -8°C / 18°F | 80% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KARG 050935Z AUTO 00000KT 10SM CLR M05/M08 A3025 RMK AO1 |
| 03:15 CST |  Clear | -5°C / 23°F | -8°C / 18°F | 80% | 1025 mb (30.27 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KARG 050915Z AUTO 31003KT 10SM CLR M05/M08 A3026 RMK AO1 |
| 02:55 CST |  Clear | -4°C / 25°F | -8°C / 18°F | 74% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KARG 050855Z AUTO 00000KT 10SM CLR M04/M08 A3025 RMK AO1 54000 |
| 02:35 CST |  Clear | -4°C / 25°F | -9°C / 16°F | 69% | 1024 mb (30.24 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KARG 050835Z AUTO 31004KT 10SM CLR M04/M09 A3025 RMK AO1 |
| 02:15 CST |  Clear | -4°C / 25°F | -9°C / 16°F | 69% | 1024 mb (30.24 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KARG 050815Z AUTO 31004KT 10SM CLR M04/M09 A3025 RMK AO1 |
| 01:55 CST |  Clear | -4°C / 25°F | -9°C / 16°F | 69% | 1024 mb (30.24 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KARG 050755Z AUTO 32004KT 10SM CLR M04/M09 A3024 RMK AO1 |
| 01:35 CST |  Clear | -3°C / 27°F | -9°C / 16°F | 64% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KARG 050735Z AUTO 00000KT 10SM CLR M03/M09 A3024 RMK AO1 |
| 01:15 CST |  Clear | -3°C / 27°F | -8°C / 18°F | 69% | 1024 mb (30.24 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KARG 050715Z AUTO 03003KT 10SM CLR M03/M08 A3023 RMK AO1 |
| 00:55 CST |  Clear | -3°C / 27°F | -9°C / 16°F | 64% | 1024 mb (30.24 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KARG 050655Z AUTO 03003KT 10SM CLR M03/M09 A3024 RMK AO1 |
| 00:35 CST |  Clear | -4°C / 25°F | -9°C / 16°F | 69% | 1024 mb (30.24 in) | NNE 7 kph (NNE 4.6 mph) | - | 10SM |
| | KARG 050635Z AUTO 02004KT 10SM CLR M04/M09 A3023 RMK AO1 |
| 00:15 CST |  Clear | -4°C / 25°F | -9°C / 16°F | 69% | 1024 mb (30.24 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KARG 050615Z AUTO 01005KT 10SM CLR M04/M09 A3024 RMK AO1 |