| 04:34 CST |  Clear | -13°C / 9°F | -15°C / 5°F | 85% | 1017 mb (30.03 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KSGS 121034Z AUTO 17004KT 10SM CLR M13/M15 A3003 RMK AO2 T11261151 |
| 04:14 CST |  Clear | -13°C / 9°F | -15°C / 5°F | 85% | 1017 mb (30.03 in) | SSE 9 kph (SSE 5.8 mph) | - | 10SM |
| | KSGS 121014Z AUTO 15005KT 10SM CLR M13/M15 A3003 RMK AO2 T11271151 |
| 03:53 CST |  Clear | -13°C / 9°F | -16°C / 3°F | 78% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KSGS 120953Z AUTO 00000KT 10SM CLR M13/M16 A3003 RMK AO2 T11311159 |
| 03:34 CST |  Clear | -12°C / 10°F | -15°C / 5°F | 79% | 1017 mb (30.03 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KSGS 120934Z AUTO 16003KT 10SM CLR M12/M15 A3003 RMK AO2 T11251155 |
| 03:14 CST |  Clear | -12°C / 10°F | -15°C / 5°F | 79% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KSGS 120914Z AUTO 00000KT 10SM CLR M12/M15 A3004 RMK AO2 T11251155 |
| 02:53 CST |  Clear | -13°C / 9°F | -16°C / 3°F | 78% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KSGS 120853Z AUTO 00000KT 10SM CLR M13/M16 A3004 RMK AO2 T11281157 |
| 02:34 CST |  Clear | -13°C / 9°F | -15°C / 5°F | 85% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KSGS 120834Z AUTO 00000KT 10SM CLR M13/M15 A3004 RMK AO2 T11261155 |
| 02:14 CST |  Clear | -13°C / 9°F | -15°C / 5°F | 85% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KSGS 120814Z AUTO 00000KT 10SM CLR M13/M15 A3004 RMK AO2 T11261155 |
| 01:54 CST |  Clear | -13°C / 9°F | -16°C / 3°F | 78% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KSGS 120754Z AUTO 00000KT 10SM CLR M13/M16 A3004 RMK AO2 T11261156 |
| 01:34 CST |  Clear | -12°C / 10°F | -16°C / 3°F | 72% | 1018 mb (30.06 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KSGS 120734Z AUTO 17003KT 10SM CLR M12/M16 A3005 RMK AO2 T11251156 |
| 01:14 CST |  Clear | -12°C / 10°F | -15°C / 5°F | 79% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KSGS 120714Z AUTO 00000KT 10SM CLR M12/M15 A3005 RMK AO2 T11221155 |
| 00:54 CST |  Clear | -12°C / 10°F | -15°C / 5°F | 79% | 1018 mb (30.06 in) | SSE 9 kph (SSE 5.8 mph) | - | 10SM |
| | KSGS 120654Z AUTO 16005KT 10SM CLR M12/M15 A3005 RMK AO2 T11221155 |
| 00:34 CST |  Clear | -12°C / 10°F | -15°C / 5°F | 79% | 1018 mb (30.06 in) | SSE 9 kph (SSE 5.8 mph) | - | 10SM |
| | KSGS 120634Z AUTO 15005KT 10SM CLR M12/M15 A3006 RMK AO2 T11201155 |
| 00:14 CST |  Clear | -12°C / 10°F | -16°C / 3°F | 72% | 1018 mb (30.06 in) | SSE 7 kph (SSE 4.6 mph) | - | 10SM |
| | KSGS 120614Z AUTO 16004KT 10SM CLR M12/M16 A3007 RMK AO2 T11221156 |