| 07:51 CST |  Overcast | 13°C / 55°F | 5°C / 41°F | 59% | 1010 mb (29.83 in) | SW 20 kph (SW 12.7 mph) | - | 10SM |
| | KSTL 291351Z 21011KT 10SM BKN040 BKN060 OVC250 13/05 A2982 RMK AO2 SLP094 T01280050 |
| 06:51 CST |  Overcast | 12°C / 54°F | 4°C / 39°F | 58% | 1009 mb (29.8 in) | SW 15 kph (SW 9.2 mph) | - | 10SM |
| | KSTL 291251Z 21008KT 10SM BKN039 BKN080 OVC250 12/04 A2981 RMK AO2 SLP092 T01220044 |
| 05:51 CST |  Mostly Cloudy | 13°C / 55°F | 4°C / 39°F | 55% | 1009 mb (29.8 in) | SW 19 kph (SW 11.5 mph) | - | 10SM |
| | KSTL 291151Z 22010KT 10SM FEW080 SCT150 BKN250 13/04 A2981 RMK AO2 SLP091 T01280039 10139 20111 56006 |
| 04:51 CST |  Mostly Cloudy | 12°C / 54°F | 4°C / 39°F | 58% | 1009 mb (29.8 in) | SW 15 kph (SW 9.2 mph) | - | 10SM |
| | KSTL 291051Z 21008KT 10SM FEW075 BKN250 12/04 A2981 RMK AO2 SLP091 T01170039 |
| 03:51 CST |  Partly Cloudy | 12°C / 54°F | 3°C / 37°F | 54% | 1010 mb (29.83 in) | SSE 15 kph (SSE 9.2 mph) | - | 10SM |
| | KSTL 290951Z 20008KT 10SM SCT250 12/03 A2982 RMK AO2 SLP091 T01220033 |
| 02:51 CST |  Partly Cloudy | 12°C / 54°F | 3°C / 37°F | 54% | 1010 mb (29.83 in) | SSE 9 kph (SSE 5.8 mph) | - | 10SM |
| | KSTL 290851Z 20005KT 10SM FEW250 12/03 A2983 RMK AO2 SLP095 T01170028 58003 |
| 01:51 CST |  Partly Cloudy | 12°C / 54°F | 3°C / 37°F | 54% | 1010 mb (29.83 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KSTL 290751Z 22005KT 10SM FEW250 12/03 A2984 RMK AO2 SLP099 T01170028 |
| 00:51 CST |  Partly Cloudy | 12°C / 54°F | 3°C / 37°F | 54% | 1010 mb (29.83 in) | SW 15 kph (SW 9.2 mph) | - | 10SM |
| | KSTL 290651Z 23008KT 10SM FEW250 12/03 A2983 RMK AO2 SLP096 T01220028 |