| 16:04 CST |  Overcast Fog And Mist | 21°C / 70°F | 19°C / 66°F | 88% | 1007 mb (29.74 in) | S 17 kph (S 10.4 mph) | - | 6SM |
| | KMSY 082204Z 17009KT 6SM BR BKN012 BKN017 OVC031 21/19 A2973 RMK AO2 |
| 15:53 CST |  Overcast Fog And Mist | 21°C / 70°F | 19°C / 66°F | 88% | 1007 mb (29.74 in) | S 26 kph (S 16.1 mph) | - | 6SM |
| | KMSY 082153Z 17014G19KT 6SM BR BKN015 OVC031 21/19 A2973 RMK AO2 SLP070 T02110194 |
| 14:53 CST |  Overcast Fog And Mist | 21°C / 70°F | 19°C / 66°F | 88% | 1007 mb (29.74 in) | S 24 kph (S 15 mph) | - | 6SM |
| | KMSY 082053Z 18013G20KT 6SM BR FEW009 BKN017 OVC023 21/19 A2974 RMK AO2 SLP074 60001 T02110194 56014 |
| 14:13 CST |  Overcast Fog And Mist | 22°C / 72°F | 19°C / 66°F | 83% | 1007 mb (29.74 in) | S 24 kph (S 15 mph) | - | 6SM |
| | KMSY 082013Z 17013KT 6SM BR FEW009 OVC015 22/19 A2973 RMK AO2 |
| 13:53 CST |  Overcast Fog And Mist | 21°C / 70°F | 19°C / 66°F | 88% | 1007 mb (29.74 in) | S 30 kph (S 18.4 mph) | - | 6SM |
| | KMSY 081953Z 18016G21KT 6SM BR FEW009 OVC013 21/19 A2974 RMK AO2 PK WND 17026/1938 SLP075 T02110194 |
| 13:51 CST |  Overcast Fog And Mist | 21°C / 70°F | 19°C / 66°F | 88% | 1007 mb (29.74 in) | S 26 kph (S 16.1 mph) | - | 6SM |
| | KMSY 081951Z 18014KT 6SM BR SCT009 OVC013 21/19 A2975 RMK AO2 PK WND 17026/1938 |
| 12:53 CST |  Overcast Fog And Mist | 21°C / 70°F | 19°C / 66°F | 88% | 1008 mb (29.77 in) | S 28 kph (S 17.3 mph) | 0.25 mm (0.01 in) | 5SM |
| | KMSY 081853Z 17015KT 5SM BR BKN009 OVC013 21/19 A2978 RMK AO2 PK WND 17028/1806 CIG 007V011 SLP087 P0001 T02110194 |
| 11:53 CST |  Overcast Fog And Mist | 22°C / 72°F | 19°C / 66°F | 83% | 1010 mb (29.83 in) | S 33 kph (S 20.7 mph) | 0.25 mm (0.01 in) | 5SM |
| | KMSY 081753Z 17018G24KT 5SM BR BKN007 BKN014 OVC018 22/19 A2982 RMK AO2 PK WND 17028/1741 RAB12E23 SLP100 P0001 60086 T02170194 10217 20156 58037 |
| 10:53 CST |  Overcast Fog And Mist | 21°C / 70°F | 19°C / 66°F | 88% | 1012 mb (29.88 in) | S 30 kph (S 18.4 mph) | 0.25 mm (0.01 in) | 5SM |
| | KMSY 081653Z 17016G24KT 5SM BR OVC007 21/19 A2987 RMK AO2 SLP117 P0001 T02110194 |
| 10:02 CST |  Overcast Fog And Mist | 21°C / 70°F | 19°C / 66°F | 88% | 1013 mb (29.91 in) | S 28 kph (S 17.3 mph) | - | 4SM |
| | KMSY 081602Z 17015G18KT 4SM BR OVC005 21/19 A2990 RMK AO2 |
| 09:53 CST |  Overcast Fog And Mist | 21°C / 70°F | 19°C / 66°F | 88% | 1013 mb (29.91 in) | S 24 kph (S 15 mph) | 0.25 mm (0.01 in) | 3SM |
| | KMSY 081553Z 17013KT 3SM BR OVC003 21/19 A2990 RMK AO2 SLP129 P0001 T02060194 |
| 09:31 CST |  Overcast Fog And Mist | 20°C / 68°F | 19°C / 66°F | 94% | 1013 mb (29.91 in) | S 19 kph (S 11.5 mph) | - | 3SM |
| | KMSY 081531Z 17010KT 3SM BR OVC003 20/19 A2991 RMK AO2 |
| 09:08 CST |  Overcast Fog And Mist | 19°C / 66°F | 18°C / 64°F | 94% | 1013 mb (29.91 in) | SSE 13 kph (SSE 8.1 mph) | - | 1 3/4SM |
| | KMSY 081508Z 16007KT 1 3/4SM BR OVC003 19/18 A2992 RMK AO2 |
| 08:53 CST |  Overcast Fog And Mist | 18°C / 64°F | 18°C / 64°F | 100% | 1014 mb (29.94 in) | SSE 7 kph (SSE 4.6 mph) | 0.25 mm (0.01 in) | 2 1/2SM |
| | KMSY 081453Z 16004KT 2 1/2SM BR OVC003 18/18 A2993 RMK AO2 RAE06B23E35 SLP136 P0001 60083 T01830178 53002 $ |
| 08:37 CST |  Overcast Fog And Mist | 18°C / 64°F | 17°C / 63°F | 94% | 1014 mb (29.94 in) | SSW 6 kph (SSW 3.5 mph) | 0.25 mm (0.01 in) | 3SM |
| | KMSY 081437Z 25003KT 3SM BR OVC003 18/17 A2993 RMK AO2 RAE06B23E35 P0001 $ |
| 08:08 CST |  Overcast Fog And Mist | 18°C / 64°F | 18°C / 64°F | 100% | 1013 mb (29.91 in) | SSW 20 kph (SSW 12.7 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KMSY 081408Z 24011KT 2 1/2SM BR BKN003 OVC008 18/18 A2992 RMK AO2 RAE06 CIG 002V006 P0000 $ |
| 07:53 CST |  Overcast Light Rain | 19°C / 66°F | 18°C / 64°F | 94% | 1013 mb (29.91 in) | S 19 kph (S 11.5 mph) | 14.73 mm (0.58 in) | 5SM |
| | KMSY 081353Z 17010KT 5SM -RA BR BKN007 OVC012 19/18 A2992 RMK AO2 CIG 003V009 SLP133 P0058 T01890178 $ |
| 07:49 CST |  Overcast Light Rain | 18°C / 64°F | 17°C / 63°F | 94% | 1013 mb (29.91 in) | SSE 15 kph (SSE 9.2 mph) | 14.73 mm (0.58 in) | 3SM |
| | KMSY 081349Z 16008KT 3SM -RA BR BKN007 OVC012 18/17 A2992 RMK AO2 CIG 003V009 P0058 $ |
| 07:33 CST |  Overcast Heavy Rain | 17°C / 63°F | 17°C / 63°F | 100% | 1013 mb (29.91 in) | SSE 15 kph (SSE 9.2 mph) | 13.21 mm (0.52 in) | 1 1/4SM |
| | KMSY 081333Z 20008G14KT 1 1/4SM +RA BR BKN009 OVC014 17/17 A2992 RMK AO2 P0052 $ |
| 07:16 CST |  Overcast Heavy Rain | 16°C / 61°F | 15°C / 59°F | 94% | 1013 mb (29.91 in) | NNW 13 kph (NNW 8.1 mph) | 5.84 mm (0.23 in) | 3/4SM |
| | KMSY 081316Z 33007KT 3/4SM +RA BR BKN007 OVC010 16/15 A2992 RMK AO2 P0023 RVRNO $ |
| 07:09 CST |  Overcast Heavy Rain | 16°C / 61°F | 15°C / 59°F | 94% | 1013 mb (29.91 in) | Variable 9 kph (Variable 5.8 mph) | 3.05 mm (0.12 in) | 1 1/2SM |
| | KMSY 081309Z VRB05KT 1 1/2SM +RA BR OVC010 16/15 A2992 RMK AO2 P0012 $ |
| 07:04 CST |  Overcast Light Rain | 16°C / 61°F | 15°C / 59°F | 94% | 1013 mb (29.91 in) | ENE 13 kph (ENE 8.1 mph) | 1.52 mm (0.06 in) | 2SM |
| | KMSY 081304Z 06007KT 2SM -RA BR OVC008 16/15 A2991 RMK AO2 P0006 $ |
| 06:53 CST |  Overcast Light Rain | 16°C / 61°F | 15°C / 59°F | 94% | 1013 mb (29.91 in) | ENE 13 kph (ENE 8.1 mph) | 6.10 mm (0.24 in) | 3SM |
| | KMSY 081253Z 06007KT 3SM -RA BR BKN008 OVC015 16/15 A2992 RMK AO2 SLP134 P0024 T01560150 $ |
| 06:24 CST |  Overcast Light Rain | 16°C / 61°F | 15°C / 59°F | 94% | 1013 mb (29.91 in) | NE 19 kph (NE 11.5 mph) | 4.32 mm (0.17 in) | 3SM |
| | KMSY 081224Z 04010KT 3SM -RA BR BKN009 BKN015 OVC030 16/15 A2992 RMK AO2 P0017 $ |
| 05:53 CST |  Overcast Light Rain | 16°C / 61°F | 15°C / 59°F | 94% | 1013 mb (29.91 in) | E 15 kph (E 9.2 mph) | 14.73 mm (0.58 in) | 3SM |
| | KMSY 081153Z 08008KT 3SM -RA BR SCT007 BKN015 OVC027 16/15 A2992 RMK AO2 SLP133 P0058 60346 70371 T01610150 10178 20150 56013 $ |
| 05:17 CST |  Overcast Rain | 16°C / 61°F | 15°C / 59°F | 94% | 1013 mb (29.91 in) | ENE 13 kph (ENE 8.1 mph) | 9.65 mm (0.38 in) | 3SM |
| | KMSY 081117Z 07007KT 3SM RA BR SCT007 BKN012 OVC030 16/15 A2992 RMK AO2 P0038 $ |
| 04:53 CST |  Overcast Heavy Rain | 16°C / 61°F | 14°C / 57°F | 88% | 1013 mb (29.91 in) | NE 13 kph (NE 8.1 mph) | 7.62 mm (0.30 in) | 2SM |
| | KMSY 081053Z 03007G17KT 010V080 2SM +RA BR BKN005 OVC010 16/14 A2992 RMK AO2 TSE24 SLP134 P0030 T01560144 $ |
| 04:50 CST |  Overcast Rain | 15°C / 59°F | 14°C / 57°F | 94% | 1013 mb (29.91 in) | NNE 22 kph (NNE 13.8 mph) | 6.60 mm (0.26 in) | 2 1/2SM |
| | KMSY 081050Z 02012G17KT 2 1/2SM RA BR BKN005 OVC010 15/14 A2992 RMK AO2 VIS 1 1/4V4 TSE24 P0026 $ |
| 04:30 CST |  Overcast Rain | 16°C / 61°F | 15°C / 59°F | 94% | 1012 mb (29.88 in) | E 19 kph (E 11.5 mph) | 5.08 mm (0.20 in) | 3SM |
| | KMSY 081030Z 10010G18KT 3SM RA BR SCT005 BKN015 OVC041 16/15 A2989 RMK AO2 TSE24 P0020 $ |
| 03:53 CST |  Overcast Thunder Storms | 16°C / 61°F | 15°C / 59°F | 94% | 1013 mb (29.91 in) | E 28 kph (E 17.3 mph) | 31.24 mm (1.23 in) | 3SM |
| | KMSY 080953Z 09015G20KT 3SM TSRA BR FEW003 BKN014CB OVC070 16/15 A2991 RMK AO2 SLP130 OCNL LTGICCC VC N-SE TS VC N-SE MOVG E P0123 T01610150 $ |
| 03:36 CST |  Overcast Thunder Storms | 16°C / 61°F | 15°C / 59°F | 94% | 1013 mb (29.91 in) | E 26 kph (E 16.1 mph) | 30.23 mm (1.19 in) | 3SM |
| | KMSY 080936Z 08014KT 3SM -TSRA BR BKN010CB OVC030 16/15 A2992 RMK AO2 FRQ LTGICCC N-SE TS N-SE MOVG E P0119 $ |
| 03:01 CST |  Overcast Thunder Storms | 17°C / 63°F | 16°C / 61°F | 94% | 1014 mb (29.94 in) | ESE 17 kph (ESE 10.4 mph) | 5.59 mm (0.22 in) | 1SM |
| | KMSY 080901Z 11009G14KT 1SM +TSRA BR BKN010CB BKN045 OVC080 17/16 A2995 RMK AO2 CONS LTGICCCCG AT AP TS AT AP MOVG E P0022 RVRNO $ |
| 02:53 CST |  Overcast Thunder Storms | 17°C / 63°F | 16°C / 61°F | 94% | 1015 mb (29.97 in) | Calm | 31.75 mm (1.25 in) | 3SM |
| | KMSY 080853Z 00000KT 3SM +TSRA BR BKN023CB BKN045 OVC080 17/16 A2996 RMK AO2 TSB0759RAB0754 SLP147 CONS LTGICCCCG N-SE TS N-SE MOVG E P0125 60135 T01670156 $ |
| 02:50 CST |  Overcast Thunder Storms | 17°C / 63°F | 16°C / 61°F | 94% | 1015 mb (29.97 in) | Calm | 29.97 mm (1.18 in) | 1 3/4SM |
| | KMSY 080850Z 00000KT 1 3/4SM -TSRA BR BKN023CB BKN045 OVC080 17/16 A2997 RMK AO2 TSB0759RAB0754 PRESRR CONS LTGICCCCG N-SE TS N-SE MOVG E P0118 $ |
| 02:34 CST |  Overcast Thunder Storms | 17°C / 63°F | 16°C / 61°F | 94% | 1013 mb (29.91 in) | ENE 19 kph (ENE 11.5 mph) | 27.43 mm (1.08 in) | 3SM |
| | KMSY 080834Z 07010KT 3SM +TSRA BR BKN020CB BKN045 OVC070 17/16 A2991 RMK AO2 TSB0759RAB0754 PRESFR CONS LTGICCCCG E TS E MOVG E P0108 $ |
| 02:12 CST |  Overcast Thunder Storms | 17°C / 63°F | 16°C / 61°F | 94% | 1015 mb (29.97 in) | SE 7 kph (SE 4.6 mph) | 23.62 mm (0.93 in) | 2SM |
| | KMSY 080812Z 13004KT 2SM +TSRA BR BKN011CB BKN030 OVC060 17/16 A2996 RMK AO2 TSB0759RAB0754 CONS LTGICCCCG AT AP TS AT AP MOVG E P0093 $ |
| 02:00 CST |  Overcast Thunder Storms | 17°C / 63°F | 16°C / 61°F | 94% | 1015 mb (29.97 in) | NE 7 kph (NE 4.6 mph) | 19.30 mm (0.76 in) | 3SM |
| | KMSY 080800Z 03004KT 3SM TSRA BR BKN011CB BKN020 OVC035 17/16 A2996 RMK AO2 TSB0759RAB0754 CONS LTGICCCCG AT AP TS AT AP MOVG E P0076 $ |
| 01:49 CST |  Overcast Thunder Storms | 17°C / 63°F | 16°C / 61°F | 94% | 1015 mb (29.97 in) | NW 9 kph (NW 5.8 mph) | 17.27 mm (0.68 in) | 1SM |
| | KMSY 080749Z 31005G22KT 1SM +TSRA BR BKN008CB BKN020 OVC030 17/16 A2998 RMK AO2 PK WND 02034/0727 WSHFT 0724 TSB09 CONS LTGICCCCG AT AP TS AT AP MOVG E P0068 RVRNO |
| 01:39 CST |  Overcast Thunder Storms | 17°C / 63°F | 14°C / 57°F | 83% | 1015 mb (29.97 in) | NW 24 kph (NW 15 mph) | 1.27 mm (0.05 in) | 1 1/2SM |
| | KMSY 080739Z 30013G25KT 1 1/2SM +TSRA BR BKN011CB BKN035 OVC080 17/14 A2998 RMK AO2 PK WND 02034/0727 WSHFT 0724 TSB09 CONS LTGICCCCG SW-N TS SW-N MOVG E P0005 |
| 01:36 CST |  Overcast Thunder Storms | 16°C / 61°F | 14°C / 57°F | 88% | 1015 mb (29.97 in) | NW 28 kph (NW 17.3 mph) | 0.00 mm (0.00 in) | 5SM |
| | KMSY 080736Z 31015G34KT 5SM -TSRA BR BKN011CB BKN035 OVC080 16/14 A2998 RMK AO2 PK WND 02034/0727 TSB09 CONS LTGICCCCG SW-N TS SW-N MOVG E P0000 |
| 01:11 CST |  Overcast Thunder Storms | 18°C / 64°F | 16°C / 61°F | 88% | 1011 mb (29.85 in) | SE 39 kph (SE 24.2 mph) | 0.00 mm (0.00 in) | 10SM |
| | KMSY 080711Z 13021G30KT 10SM -TSRA SCT020CB BKN040 OVC080 18/16 A2986 RMK AO2 PK WND 12030/0709 TSB09 FRQ LTGIC VC W-N TS VC W-N MOVG E P0000 |
| 00:53 CST |  Overcast Light Rain | 17°C / 63°F | 15°C / 59°F | 88% | 1012 mb (29.88 in) | E 33 kph (E 20.7 mph) | 1.52 mm (0.06 in) | 6SM |
| | KMSY 080653Z 10018G27KT 6SM -RA BR SCT026 BKN040 OVC110 17/15 A2987 RMK AO2 PK WND 12027/0645 RAB12 PRESFR SLP119 FRQ LTGIC DSNT W-N CB DSNT W-N P0006 T01720150 |