| 08:51 CST |  Partly Cloudy | 1°C / 34°F | -4°C / 25°F | 70% | 1018 mb (30.06 in) | WNW 24 kph (WNW 15 mph) | - | 10SM |
| | KSTL 031451Z 29013G18KT 10SM FEW021 SCT041 SCT150 SCT250 01/M04 A3006 RMK AO2 SLP189 T00111039 53025 |
| 07:51 CST |  Mostly Cloudy | 1°C / 34°F | -4°C / 25°F | 70% | 1017 mb (30.03 in) | W 11 kph (W 6.9 mph) | - | 10SM |
| | KSTL 031351Z 28006KT 10SM BKN041 BKN150 BKN250 01/M04 A3003 RMK AO2 SLP177 T00061039 |
| 06:51 CST |  Mostly Cloudy | 0°C / 32°F | -4°C / 25°F | 75% | 1016 mb (30 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KSTL 031251Z 30006KT 10SM FEW025 BKN033 00/M04 A3000 RMK AO2 SLP169 T00001044 |
| 05:51 CST |  Mostly Cloudy | 0°C / 32°F | -4°C / 25°F | 75% | 1016 mb (30 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KSTL 031151Z 30006KT 10SM BKN034 00/M04 A2999 RMK AO2 SLP163 70026 T00001044 10017 21011 51025 |
| 04:51 CST |  Partly Cloudy | -1°C / 30°F | -4°C / 25°F | 80% | 1015 mb (29.97 in) | W 19 kph (W 11.5 mph) | - | 10SM |
| | KSTL 031051Z 28010KT 10SM FEW035 M01/M04 A2997 RMK AO2 SLP158 T10111044 |
| 03:51 CST |  Partly Cloudy | -1°C / 30°F | -4°C / 25°F | 80% | 1014 mb (29.94 in) | WNW 19 kph (WNW 11.5 mph) | - | 10SM |
| | KSTL 030951Z 29010KT 10SM FEW032 M01/M04 A2994 RMK AO2 SLP146 T10111044 |
| 02:51 CST |  Partly Cloudy | -1°C / 30°F | -4°C / 25°F | 80% | 1013 mb (29.91 in) | W 17 kph (W 10.4 mph) | - | 10SM |
| | KSTL 030851Z 28009KT 10SM FEW035 M01/M04 A2991 RMK AO2 SLP137 T10061039 53025 |
| 01:51 CST |  Partly Cloudy | 0°C / 32°F | -4°C / 25°F | 75% | 1012 mb (29.88 in) | WNW 20 kph (WNW 12.7 mph) | - | 10SM |
| | KSTL 030751Z 29011KT 10SM FEW035 00/M04 A2988 RMK AO2 SLP126 T00001039 |
| 00:51 CST |  Partly Cloudy | 1°C / 34°F | -3°C / 27°F | 75% | 1010 mb (29.83 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KSTL 030651Z 31011KT 10SM FEW026 SCT035 01/M03 A2984 RMK AO2 SLP110 T00061033 |