| 06:54 CST |  Clear | -4°C / 25°F | -8°C / 18°F | 74% | 1018 mb (30.06 in) | WNW 15 kph (WNW 9.2 mph) | - | 10SM |
| | KCOU 031254Z 29008KT 10SM CLR M04/M08 A3005 RMK AO2 SLP185 T10441078 |
| 05:54 CST |  Clear | -3°C / 27°F | -8°C / 18°F | 69% | 1017 mb (30.03 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KCOU 031154Z AUTO 30007KT 10SM CLR M03/M08 A3003 RMK AO2 SLP176 T10331078 10006 21033 51020 TSNO |
| 04:54 CST |  Clear | -3°C / 27°F | -7°C / 19°F | 74% | 1016 mb (30 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KCOU 031054Z AUTO 30008KT 10SM CLR M03/M07 A3001 RMK AO2 SLP170 T10281072 TSNO |
| 03:54 CST |  Overcast | -1°C / 30°F | -7°C / 19°F | 64% | 1016 mb (30 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KCOU 030954Z AUTO 30012G18KT 10SM OVC040 M01/M07 A2999 RMK AO2 SLP163 T10111067 TSNO |
| 02:54 CST |  Overcast | 0°C / 32°F | -6°C / 21°F | 64% | 1015 mb (29.97 in) | NW 24 kph (NW 15 mph) | - | 10SM |
| | KCOU 030854Z AUTO 31013G19KT 10SM OVC038 00/M06 A2997 RMK AO2 SLP154 T00001061 53023 TSNO |
| 01:54 CST |  Overcast | 1°C / 34°F | -6°C / 21°F | 60% | 1014 mb (29.94 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KCOU 030754Z AUTO 30012KT 10SM OVC034 01/M06 A2993 RMK AO2 SLP141 T00061056 TSNO |
| 00:54 CST |  Overcast | 1°C / 34°F | -6°C / 21°F | 60% | 1013 mb (29.91 in) | NNW 19 kph (NNW 11.5 mph) | - | 10SM |
| | KCOU 030654Z AUTO 33010KT 10SM OVC032 01/M06 A2991 RMK AO2 SLP136 T00061056 TSNO |