| 20:53 CST |  Overcast Light Rain | 8°C / 46°F | 4°C / 39°F | 76% | 1026 mb (30.3 in) | ENE 19 kph (ENE 11.5 mph) | 1.02 mm (0.04 in) | 9SM |
| | KMSY 120253Z 07010G18KT 9SM -RA OVC050 08/04 A3029 RMK AO2 SLP260 P0004 60010 T00780039 53003 |
| 19:53 CST |  Overcast Light Rain | 8°C / 46°F | 3°C / 37°F | 71% | 1026 mb (30.3 in) | ENE 15 kph (ENE 9.2 mph) | 1.52 mm (0.06 in) | 6SM |
| | KMSY 120153Z 06008KT 6SM -RA FEW042 BKN055 OVC080 08/03 A3030 RMK AO2 RAB13 SLP262 P0006 T00780033 |
| 18:53 CST |  Overcast | 9°C / 48°F | 2°C / 36°F | 62% | 1025 mb (30.27 in) | ENE 22 kph (ENE 13.8 mph) | - | 10SM |
| | KMSY 120053Z 07012KT 10SM OVC050 09/02 A3027 RMK AO2 SLP254 T00940017 |
| 17:53 CST |  Overcast | 9°C / 48°F | 2°C / 36°F | 62% | 1025 mb (30.27 in) | ENE 15 kph (ENE 9.2 mph) | - | 10SM |
| | KMSY 112353Z 06008KT 10SM OVC050 09/02 A3028 RMK AO2 SLP257 60001 T00890017 10094 20083 51003 |
| 16:53 CST |  Overcast | 9°C / 48°F | 1°C / 34°F | 58% | 1025 mb (30.27 in) | E 19 kph (E 11.5 mph) | - | 10SM |
| | KMSY 112253Z 09010G16KT 10SM OVC055 09/01 A3028 RMK AO2 SLP256 T00890011 |
| 15:53 CST |  Overcast | 8°C / 46°F | 1°C / 34°F | 62% | 1025 mb (30.27 in) | ENE 20 kph (ENE 12.7 mph) | 0.25 mm (0.01 in) | 10SM |
| | KMSY 112153Z 06011KT 10SM FEW039 OVC055 08/01 A3028 RMK AO2 RAE01B21E50 SLP257 P0001 T00830011 |
| 14:53 CST |  Overcast Light Rain | 9°C / 48°F | -1°C / 30°F | 50% | 1025 mb (30.27 in) | ENE 17 kph (ENE 10.4 mph) | 0.00 mm (0.00 in) | 10SM |
| | KMSY 112053Z 07009G16KT 10SM -RA OVC055 09/M01 A3027 RMK AO2 RAB37 SLP254 PCPN VERY LGT P0000 60000 T00941006 56015 |
| 13:53 CST |  Overcast | 9°C / 48°F | -2°C / 28°F | 46% | 1026 mb (30.3 in) | ENE 24 kph (ENE 15 mph) | - | 10SM |
| | KMSY 111953Z 07013G17KT 10SM OVC060 09/M02 A3029 RMK AO2 SLP258 T00891022 |
| 12:53 CST |  Overcast | 8°C / 46°F | -2°C / 28°F | 50% | 1026 mb (30.3 in) | ENE 20 kph (ENE 12.7 mph) | - | 10SM |
| | KMSY 111853Z 07011KT 10SM OVC050 08/M02 A3029 RMK AO2 SLP261 T00831022 |
| 11:53 CST |  Overcast | 8°C / 46°F | -2°C / 28°F | 50% | 1027 mb (30.33 in) | ENE 22 kph (ENE 13.8 mph) | - | 10SM |
| | KMSY 111753Z 06012KT 10SM OVC060 08/M02 A3032 RMK AO2 SLP269 T00831022 10083 20078 58010 |
| 10:53 CST |  Overcast | 8°C / 46°F | -2°C / 28°F | 50% | 1028 mb (30.36 in) | NE 30 kph (NE 18.4 mph) | - | 10SM |
| | KMSY 111653Z 05016KT 10SM OVC065 08/M02 A3035 RMK AO2 SLP280 T00831017 |
| 09:53 CST |  Overcast | 8°C / 46°F | -3°C / 27°F | 46% | 1028 mb (30.36 in) | ENE 30 kph (ENE 18.4 mph) | - | 10SM |
| | KMSY 111553Z 07016KT 10SM OVC065 08/M03 A3036 RMK AO2 SLP282 T00831028 |
| 08:53 CST |  Overcast | 8°C / 46°F | -3°C / 27°F | 46% | 1028 mb (30.36 in) | NE 28 kph (NE 17.3 mph) | - | 10SM |
| | KMSY 111453Z 05015G20KT 10SM OVC065 08/M03 A3035 RMK AO2 SLP280 T00781028 51025 |
| 07:53 CST |  Overcast | 8°C / 46°F | -3°C / 27°F | 46% | 1027 mb (30.33 in) | ENE 20 kph (ENE 12.7 mph) | - | 10SM |
| | KMSY 111353Z 06011KT 10SM OVC070 08/M03 A3034 RMK AO2 SLP277 T00831033 |
| 06:53 CST |  Overcast | 8°C / 46°F | -4°C / 25°F | 43% | 1026 mb (30.3 in) | ENE 28 kph (ENE 17.3 mph) | - | 10SM |
| | KMSY 111253Z 06015G19KT 10SM BKN070 OVC110 08/M04 A3030 RMK AO2 SLP264 T00781039 |
| 05:53 CST |  Overcast | 8°C / 46°F | -4°C / 25°F | 43% | 1025 mb (30.27 in) | ENE 26 kph (ENE 16.1 mph) | - | 10SM |
| | KMSY 111153Z 06014G21KT 10SM BKN070 OVC110 08/M04 A3028 RMK AO2 SLP255 T00781039 10089 20078 53002 |
| 04:53 CST |  Mostly Cloudy | 8°C / 46°F | -4°C / 25°F | 43% | 1025 mb (30.27 in) | ENE 19 kph (ENE 11.5 mph) | - | 10SM |
| | KMSY 111053Z 06010KT 10SM FEW075 BKN110 08/M04 A3026 RMK AO2 SLP251 T00831039 |
| 03:53 CST |  Mostly Cloudy | 8°C / 46°F | -5°C / 23°F | 40% | 1025 mb (30.27 in) | ENE 19 kph (ENE 11.5 mph) | - | 10SM |
| | KMSY 110953Z 07010KT 10SM SCT070 BKN100 08/M05 A3027 RMK AO2 SLP253 T00831050 |
| 02:53 CST |  Overcast | 8°C / 46°F | -3°C / 27°F | 46% | 1025 mb (30.27 in) | ENE 15 kph (ENE 9.2 mph) | - | 10SM |
| | KMSY 110853Z 07008KT 10SM SCT070 OVC100 08/M03 A3027 RMK AO2 SLP253 T00831033 53005 |
| 01:53 CST |  Overcast | 8°C / 46°F | -4°C / 25°F | 43% | 1025 mb (30.27 in) | ENE 26 kph (ENE 16.1 mph) | - | 10SM |
| | KMSY 110753Z 07014G19KT 10SM OVC070 08/M04 A3027 RMK AO2 SLP253 T00831039 |
| 00:53 CST |  Overcast | 9°C / 48°F | -4°C / 25°F | 40% | 1024 mb (30.24 in) | ENE 20 kph (ENE 12.7 mph) | - | 10SM |
| | KMSY 110653Z 07011KT 10SM OVC075 09/M04 A3025 RMK AO2 SLP247 T00891044 |