| 15:25 CST |  Partly Cloudy | 9°C / 48°F | 4°C / 39°F | 71% | 1019 mb (30.09 in) | N 17 kph (N 10.4 mph) | - | 10SM |
| | KGTR 302125Z 36009G14KT 10SM SCT026 09/04 A3010 |
| 14:50 CST |  Mostly Cloudy | 9°C / 48°F | 5°C / 41°F | 76% | 1019 mb (30.09 in) | N 19 kph (N 11.5 mph) | - | 7SM |
| | KGTR 302050Z 35010G17KT 7SM BKN024 09/05 A3009 |
| 13:50 CST |  Overcast Fog And Mist | 9°C / 48°F | 5°C / 41°F | 76% | 1018 mb (30.06 in) | N 19 kph (N 11.5 mph) | - | 5SM |
| | KGTR 301950Z 35010G15KT 5SM BR OVC025 09/05 A3007 |
| 13:14 CST |  Overcast Fog And Mist | 9°C / 48°F | 6°C / 43°F | 82% | 1018 mb (30.06 in) | N 20 kph (N 12.7 mph) | - | 3SM |
| | KGTR 301914Z 35011G16KT 3SM BR OVC015 09/06 A3006 |
| 10:50 CST |  Overcast Fog And Mist | 9°C / 48°F | 8°C / 46°F | 94% | 1018 mb (30.06 in) | NNW 22 kph (NNW 13.8 mph) | - | 2SM |
| | KGTR 301650Z 33012G17KT 2SM BR OVC008 09/08 A3007 |
| 09:50 CST |  Overcast Fog And Mist | 11°C / 52°F | 9°C / 48°F | 88% | 1017 mb (30.03 in) | N 19 kph (N 11.5 mph) | - | 5SM |
| | KGTR 301550Z 35010G18KT 5SM BR OVC006 11/09 A3003 |
| 09:20 CST |  Overcast Fog And Mist | 11°C / 52°F | 11°C / 52°F | 100% | 1017 mb (30.03 in) | NNW 19 kph (NNW 11.5 mph) | - | 3SM |
| | KGTR 301520Z 33010G16KT 3SM BR BKN004 OVC010 11/11 A3002 |
| 08:50 CST |  Overcast Drizzle | 12°C / 54°F | 11°C / 52°F | 94% | 1016 mb (30 in) | NNW 19 kph (NNW 11.5 mph) | - | 1SM |
| | KGTR 301450Z 34010G16KT 1SM -DZ BR OVC005 12/11 A3001 |
| 08:30 CST |  Overcast Fog And Mist | 12°C / 54°F | 12°C / 54°F | 100% | 1016 mb (30 in) | NNW 15 kph (NNW 9.2 mph) | - | 1SM |
| | KGTR 301430Z 33008G15KT 1SM BR OVC006 12/12 A2999 |
| 08:10 CST |  Overcast Fog And Mist | 13°C / 55°F | 12°C / 54°F | 94% | 1015 mb (29.97 in) | NNW 19 kph (NNW 11.5 mph) | - | 3SM |
| | KGTR 301410Z 34010G15KT 3SM BR BKN007 OVC018 13/12 A2997 |
| 07:50 CST |  Overcast | 13°C / 55°F | 12°C / 54°F | 94% | 1015 mb (29.97 in) | NNW 19 kph (NNW 11.5 mph) | - | 7SM |
| | KGTR 301350Z 34010G18KT 7SM SCT009 OVC018 13/12 A2996 |
| 06:50 CST |  Overcast Light Rain | 15°C / 59°F | 15°C / 59°F | 100% | 1014 mb (29.94 in) | W 7 kph (W 4.6 mph) | - | 3SM |
| | KGTR 301250Z 27004KT 3SM -RA BR BKN006 OVC009 15/15 A2994 |
| 06:30 CST |  Overcast Light Rain | 15°C / 59°F | 15°C / 59°F | 100% | 1014 mb (29.94 in) | Calm | - | 3SM |
| | KGTR 301230Z 00000KT 3SM -RA BR BKN009 OVC016 15/15 A2993 |
| 05:50 CST |  Overcast Light Rain | 15°C / 59°F | 15°C / 59°F | 100% | 1014 mb (29.94 in) | SSW 7 kph (SSW 4.6 mph) | - | 4SM |
| | KGTR 301150Z 24004KT 4SM -RA BR SCT016 OVC032 15/15 A2993 |
| 05:35 CST |  Overcast | 15°C / 59°F | 15°C / 59°F | 100% | 1013 mb (29.91 in) | SW 6 kph (SW 3.5 mph) | 5.59 mm (0.22 in) | 10SM |
| | KGTR 301135Z 23003KT 10SM FEW034 BKN040 OVC048 15/15 A2992 RMK AO1 P0022 |
| 05:15 CST |  Overcast | 15°C / 59°F | 15°C / 59°F | 100% | 1013 mb (29.91 in) | SSW 6 kph (SSW 3.5 mph) | 2.79 mm (0.11 in) | 9SM |
| | KGTR 301115Z 25003KT 9SM FEW027 BKN032 OVC050 15/15 A2992 RMK AO1 P0011 |
| 04:55 CST |  Overcast | 15°C / 59°F | 15°C / 59°F | 100% | 1013 mb (29.91 in) | SSW 7 kph (SSW 4.6 mph) | 9.91 mm (0.39 in) | 8SM |
| | KGTR 301055Z 24004KT 8SM BKN028 BKN032 OVC041 15/15 A2991 RMK AO1 P0039 |
| 04:35 CST |  Overcast | 15°C / 59°F | 15°C / 59°F | 100% | 1013 mb (29.91 in) | SW 7 kph (SW 4.6 mph) | 6.60 mm (0.26 in) | 9SM |
| | KGTR 301035Z 23004KT 9SM BKN026 BKN035 OVC041 15/15 A2991 RMK AO1 P0026 |
| 04:15 CST |  Overcast | 16°C / 61°F | 15°C / 59°F | 94% | 1013 mb (29.91 in) | SW 7 kph (SW 4.6 mph) | 3.05 mm (0.12 in) | 8SM |
| | KGTR 301015Z 23004KT 8SM SCT026 BKN040 OVC050 16/15 A2991 RMK AO1 P0012 |
| 03:55 CST |  Overcast | 16°C / 61°F | 15°C / 59°F | 94% | 1013 mb (29.91 in) | SSW 6 kph (SSW 3.5 mph) | 6.60 mm (0.26 in) | 10SM |
| | KGTR 300955Z 26003KT 10SM FEW030 SCT042 OVC055 16/15 A2990 RMK AO1 P0026 |
| 03:35 CST |  Overcast | 16°C / 61°F | 15°C / 59°F | 94% | 1013 mb (29.91 in) | SSW 7 kph (SSW 4.6 mph) | 4.06 mm (0.16 in) | 10SM |
| | KGTR 300935Z 26004KT 10SM SCT038 BKN047 OVC055 16/15 A2991 RMK AO1 P0016 |
| 03:15 CST |  Mostly Cloudy | 16°C / 61°F | 15°C / 59°F | 94% | 1013 mb (29.91 in) | Calm | 2.54 mm (0.10 in) | 10SM |
| | KGTR 300915Z 00000KT 10SM FEW013 SCT023 BKN040 16/15 A2992 RMK AO1 P0010 |
| 02:55 CST |  Mostly Cloudy | 16°C / 61°F | 14°C / 57°F | 88% | 1014 mb (29.94 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KGTR 300855Z 32008KT 10SM FEW015 SCT039 BKN050 16/14 A2993 RMK AO1 52007 |
| 02:35 CST |  Overcast | 16°C / 61°F | 14°C / 57°F | 88% | 1013 mb (29.91 in) | SSE 7 kph (SSE 4.6 mph) | - | 10SM |
| | KGTR 300835Z 20004KT 10SM FEW060 BKN080 OVC090 16/14 A2990 RMK AO1 |
| 02:15 CST |  Overcast | 16°C / 61°F | 14°C / 57°F | 88% | 1013 mb (29.91 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KGTR 300815Z 21005KT 10SM BKN080 OVC090 16/14 A2990 RMK AO1 |
| 01:55 CST |  Overcast | 16°C / 61°F | 14°C / 57°F | 88% | 1013 mb (29.91 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KGTR 300755Z 20006KT 10SM FEW060 OVC080 16/14 A2990 RMK AO1 |
| 01:35 CST |  Overcast | 16°C / 61°F | 14°C / 57°F | 88% | 1013 mb (29.91 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KGTR 300735Z 20006KT 10SM BKN080 OVC110 16/14 A2991 RMK AO1 |
| 01:15 CST |  Overcast | 16°C / 61°F | 14°C / 57°F | 88% | 1013 mb (29.91 in) | SW 13 kph (SW 8.1 mph) | - | 10SM |
| | KGTR 300715Z 21007KT 170V230 10SM SCT080 OVC110 16/14 A2991 RMK AO1 |
| 00:55 CST |  Overcast | 16°C / 61°F | 14°C / 57°F | 88% | 1013 mb (29.91 in) | S 17 kph (S 10.4 mph) | - | 10SM |
| | KGTR 300655Z 19009KT 10SM FEW080 OVC110 16/14 A2990 RMK AO1 |
| 00:35 CST |  Overcast | 15°C / 59°F | 13°C / 55°F | 88% | 1013 mb (29.91 in) | S 13 kph (S 8.1 mph) | - | 10SM |
| | KGTR 300635Z 19007KT 10SM FEW075 OVC120 15/13 A2991 RMK AO1 |
| 00:15 CST |  Partly Cloudy | 14°C / 57°F | 13°C / 55°F | 94% | 1013 mb (29.91 in) | S 13 kph (S 8.1 mph) | - | 10SM |
| | KGTR 300615Z 17007KT 10SM SCT075 14/13 A2990 RMK AO1 |