| 05:53 CST |  Clear | 1°C / 34°F | -2°C / 28°F | 81% | 1023 mb (30.21 in) | NNW 6 kph (NNW 3.5 mph) | - | 7SM |
| | KMSL 041153Z AUTO 34003KT 7SM CLR 01/M02 A3022 RMK AO2 SLP236 T00111017 10033 20000 55004 |
| 04:53 CST |  Clear | 2°C / 36°F | -2°C / 28°F | 75% | 1023 mb (30.21 in) | Calm | - | 8SM |
| | KMSL 041053Z AUTO 00000KT 8SM CLR 02/M02 A3022 RMK AO2 SLP236 T00171022 |
| 03:53 CST |  Clear | 2°C / 36°F | -2°C / 28°F | 75% | 1024 mb (30.24 in) | Calm | - | 8SM |
| | KMSL 040953Z AUTO 00000KT 8SM CLR 02/M02 A3023 RMK AO2 SLP238 T00171022 |
| 02:53 CST |  Overcast | 2°C / 36°F | -2°C / 28°F | 75% | 1024 mb (30.24 in) | Calm | - | 8SM |
| | KMSL 040853Z AUTO 00000KT 8SM OVC033 02/M02 A3023 RMK AO2 SLP240 T00221022 53008 |
| 01:53 CST |  Mostly Cloudy | 2°C / 36°F | -2°C / 28°F | 75% | 1023 mb (30.21 in) | NNW 7 kph (NNW 4.6 mph) | - | 9SM |
| | KMSL 040753Z AUTO 34004KT 9SM BKN031 02/M02 A3021 RMK AO2 SLP233 T00221022 |
| 01:18 CST |  Mostly Cloudy | 3°C / 37°F | -3°C / 27°F | 65% | 1023 mb (30.21 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KMSL 040718Z AUTO 35004KT 10SM FEW025 BKN031 03/M03 A3021 RMK AO2 |
| 00:53 CST |  Overcast | 3°C / 37°F | -2°C / 28°F | 70% | 1023 mb (30.21 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KMSL 040653Z AUTO 36005KT 10SM OVC029 03/M02 A3021 RMK AO2 SLP231 T00331022 |
| 00:15 CST |  Overcast | 3°C / 37°F | -2°C / 28°F | 70% | 1023 mb (30.21 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KMSL 040615Z AUTO 36003KT 10SM OVC029 03/M02 A3020 RMK AO2 |