| 15:12 CST |  Overcast | 24°C / 75°F | 21°C / 70°F | 83% | 1015 mb (29.97 in) | S 22 kph (S 13.8 mph) | - | 8SM |
| | KMSY 142112Z 19012KT 8SM BKN012 OVC250 24/21 A2998 RMK AO2 |
| 14:53 CST |  Mostly Cloudy | 24°C / 75°F | 21°C / 70°F | 83% | 1015 mb (29.97 in) | S 17 kph (S 10.4 mph) | - | 7SM |
| | KMSY 142053Z 19009KT 7SM FEW009 SCT016 SCT180 BKN250 24/21 A2997 RMK AO2 SLP152 60003 T02390211 55007 |
| 14:47 CST |  Mostly Cloudy | 24°C / 75°F | 21°C / 70°F | 83% | 1015 mb (29.97 in) | S 19 kph (S 11.5 mph) | - | 7SM |
| | KMSY 142047Z 18010KT 7SM FEW009 SCT016 SCT180 BKN250 24/21 A2997 RMK AO2 |
| 14:16 CST |  Overcast Hazy | 24°C / 75°F | 21°C / 70°F | 83% | 1015 mb (29.97 in) | S 15 kph (S 9.2 mph) | - | 6SM |
| | KMSY 142016Z 19008KT 6SM HZ SCT009 BKN016 OVC023 24/21 A2997 RMK AO2 |
| 14:07 CST |  Overcast Hazy | 24°C / 75°F | 21°C / 70°F | 83% | 1015 mb (29.97 in) | S 15 kph (S 9.2 mph) | - | 6SM |
| | KMSY 142007Z 19008KT 6SM HZ SCT011 BKN016 OVC027 24/21 A2998 RMK AO2 |
| 13:53 CST |  Overcast Hazy | 24°C / 75°F | 21°C / 70°F | 83% | 1015 mb (29.97 in) | SSE 15 kph (SSE 9.2 mph) | 0.25 mm (0.01 in) | 6SM |
| | KMSY 141953Z 20008KT 6SM HZ BKN009 BKN016 OVC110 24/21 A2998 RMK AO2 SLP155 P0001 T02390211 |
| 12:53 CST |  Overcast Fog And Mist | 23°C / 73°F | 21°C / 70°F | 89% | 1016 mb (30 in) | S 20 kph (S 12.7 mph) | 0.51 mm (0.02 in) | 3SM |
| | KMSY 141853Z 19011KT 3SM BR BKN005 OVC011 23/21 A2999 RMK AO2 TSE1759RAE1754B30E48 CIG 003V008 SLP159 P0002 T02280211 |
| 12:51 CST |  Overcast Fog And Mist | 23°C / 73°F | 21°C / 70°F | 89% | 1016 mb (30 in) | SSE 20 kph (SSE 12.7 mph) | 0.51 mm (0.02 in) | 3SM |
| | KMSY 141851Z 20011KT 3SM BR OVC005 23/21 A2999 RMK AO2 TSE1759RAE1754B30E48 CIG 003V010 P0002 |
| 12:30 CST |  Overcast Light Rain | 22°C / 72°F | 21°C / 70°F | 94% | 1016 mb (30 in) | SSE 24 kph (SSE 15 mph) | 0.25 mm (0.01 in) | 3SM |
| | KMSY 141830Z 20013KT 3SM -RA BR OVC003 22/21 A3000 RMK AO2 TSE1759RAE1754B30 CIG 001V006 VIS N 3/4SM P0001 |
| 12:27 CST |  Mostly Cloudy Fog And Mist | 22°C / 72°F | 21°C / 70°F | 94% | 1016 mb (30 in) | SSE 20 kph (SSE 12.7 mph) | 0.25 mm (0.01 in) | 2 1/2SM |
| | KMSY 141827Z 20011G17KT 2 1/2SM BR BKN001 22/21 A3000 RMK AO2 TWR VIS 3 TSE1759RAE1754 VIS N 3/4SM P0001 |
| 12:00 CST |  Overcast Fog | 22°C / 72°F | 21°C / 70°F | 94% | 1016 mb (30 in) | S 19 kph (S 11.5 mph) | - | 1/8SM |
| | KMSY 141800Z 18010KT 1/8SM FG OVC001 22/21 A3001 RMK AO2 TSE1759RAE1754 VIS N 3/4SM RVRNO |
| 11:53 CST |  Overcast Thunder Storms | 22°C / 72°F | 21°C / 70°F | 94% | 1016 mb (30 in) | S 17 kph (S 10.4 mph) | 0.76 mm (0.03 in) | 1/8SM |
| | KMSY 141753Z 17009KT 1/8SM -TSRA FG BKN001 OVC036CB 22/21 A3001 RMK AO2 TSB43RAB30 SLP167 OCNL LGTIC S AND W TS S AND W MOV NE VIS N 3/4SM P0003 60019 T02170206 10217 20172 56024 RVRNO |
| 11:48 CST |  Overcast Thunder Storms | 22°C / 72°F | 21°C / 70°F | 94% | 1017 mb (30.03 in) | S 17 kph (S 10.4 mph) | 0.76 mm (0.03 in) | 1/8SM |
| | KMSY 141748Z 17009KT 1/8SM TSRA FG BKN001 OVC036CB 22/21 A3002 RMK AO2 TSB43RAB30 PRESFR OCNL LGTIC S AND W TS S AND W MOV NE VIS N 3/4SM P0003 RVRNO |
| 10:53 CST |  Overcast Fog | 21°C / 70°F | 21°C / 70°F | 100% | 1018 mb (30.06 in) | S 11 kph (S 6.9 mph) | 3.81 mm (0.15 in) | 1/4SM |
| | KMSY 141653Z COR 17006KT 1/4SM FG OVC001 21/21 A3005 RMK AO2 TSB32E52RAE47 SLP178 P0015 T02110206 RVRNO |
| 10:37 CST |  Overcast Thunder Storms | 21°C / 70°F | 20°C / 68°F | 94% | 1018 mb (30.06 in) | S 11 kph (S 6.9 mph) | 1.52 mm (0.06 in) | 1/4SM |
| | KMSY 141637Z 18006KT 1/4SM +TSRA FG BKN001 OVC029CB 21/20 A3006 RMK AO2 TSB32 OCNL LTGIC S-W TS S-W MOV NE P0006 RVRNO |
| 09:53 CST |  Obscured Light Rain | 21°C / 70°F | 19°C / 66°F | 88% | 1019 mb (30.09 in) | SSE 6 kph (SSE 3.5 mph) | 0.00 mm (0.00 in) | 1/8SM |
| | KMSY 141553Z 20003KT 1/8SM -RA FG VV001 21/19 A3009 RMK AO2 RAB52 SLP190 P0000 T02060194 RVRNO |
| 08:53 CST |  Obscured Fog | 19°C / 66°F | 18°C / 64°F | 94% | 1018 mb (30.06 in) | SSE 6 kph (SSE 3.5 mph) | - | 1/8SM |
| | KMSY 141453Z 16003KT 1/8SM FG VV001 19/18 A3007 RMK AO2 SLP185 60001 T01940183 53014 RVRNO |
| 07:53 CST |  Obscured Fog | 18°C / 64°F | 17°C / 63°F | 94% | 1018 mb (30.06 in) | SE 6 kph (SE 3.5 mph) | 0.25 mm (0.01 in) | 1/8SM |
| | KMSY 141353Z 14003KT 1/8SM FG VV001 18/17 A3005 RMK AO2 SLP177 P0001 T01780167 RVRNO |
| 06:53 CST |  Obscured Fog | 17°C / 63°F | 16°C / 61°F | 94% | 1017 mb (30.03 in) | NE 7 kph (NE 4.6 mph) | 0.00 mm (0.00 in) | 1/16SM |
| | KMSY 141253Z 05004KT 1/16SM FG VV001 17/16 A3004 RMK AO2 RAB45E53 SLP176 P0000 T01720161 RVRNO $ |
| 05:53 CST |  Obscured Fog | 18°C / 64°F | 17°C / 63°F | 94% | 1017 mb (30.03 in) | Calm | - | 1/16SM |
| | KMSY 141153Z 00000KT 1/16SM FG VV001 18/17 A3003 RMK AO2 SLP171 T01780172 10183 20178 53004 RVRNO $ |
| 04:53 CST |  Obscured Fog | 18°C / 64°F | 17°C / 63°F | 94% | 1017 mb (30.03 in) | W 6 kph (W 3.5 mph) | - | 1/8SM |
| | KMSY 141053Z 28003KT 1/8SM FG VV001 18/17 A3002 RMK AO2 SLP169 T01780167 RVRNO $ |
| 03:53 CST |  Obscured Fog | 18°C / 64°F | 18°C / 64°F | 100% | 1016 mb (30 in) | Calm | - | 1/8SM |
| | KMSY 140953Z 00000KT 1/8SM FG VV001 18/18 A3001 RMK AO2 SLP165 T01830178 RVRNO $ |
| 02:53 CST |  Obscured Fog | 18°C / 64°F | 18°C / 64°F | 100% | 1017 mb (30.03 in) | S 6 kph (S 3.5 mph) | - | 1/4SM |
| | KMSY 140853Z 19003KT 1/4SM FG VV001 18/18 A3002 RMK AO2 SLP167 T01830178 56006 RVRNO $ |
| 01:53 CST |  Obscured Fog | 18°C / 64°F | 18°C / 64°F | 100% | 1017 mb (30.03 in) | SSE 9 kph (SSE 5.8 mph) | - | 1/8SM |
| | KMSY 140753Z 16005KT 1/8SM FG VV001 18/18 A3003 RMK AO2 SLP170 T01830178 RVRNO $ |
| 00:53 CST |  Obscured Fog | 18°C / 64°F | 18°C / 64°F | 100% | 1017 mb (30.03 in) | SE 6 kph (SE 3.5 mph) | - | 1/8SM |
| | KMSY 140653Z 14003KT 1/8SM FG VV001 18/18 A3002 RMK AO2 SLP170 T01830178 RVRNO $ |