| 17:50 CST |  Clear Hazy | 12°C / 54°F | 11°C / 52°F | 94% | 1004 mb (29.65 in) | S 9 kph (S 5.8 mph) | - | 5SM |
| | KGTU 082350Z 17005KT 5SM HZ CLR 12/11 A2965 |
| 17:02 CST |  Partly Cloudy | 14°C / 57°F | 12°C / 54°F | 88% | 1004 mb (29.65 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KGTU 082302Z 18003KT 10SM FEW006 14/12 A2964 |
| 16:48 CST |  Mostly Cloudy | 14°C / 57°F | 11°C / 52°F | 82% | 1003 mb (29.62 in) | S 9 kph (S 5.8 mph) | - | 9SM |
| | KGTU 082248Z 19005KT 9SM BKN006 14/11 A2963 |
| 15:48 CST |  Overcast | 13°C / 55°F | 10°C / 50°F | 82% | 1003 mb (29.62 in) | S 9 kph (S 5.8 mph) | - | 10SM |
| | KGTU 082148Z 19005KT 10SM OVC008 13/10 A2963 |
| 14:50 CST |  Overcast | 12°C / 54°F | 9°C / 48°F | 82% | 1003 mb (29.62 in) | S 9 kph (S 5.8 mph) | - | 10SM |
| | KGTU 082050Z 17005KT 10SM OVC006 12/09 A2962 |
| 13:47 CST |  Overcast Fog And Mist | 10°C / 50°F | 8°C / 46°F | 88% | 1004 mb (29.65 in) | S 6 kph (S 3.5 mph) | - | 3SM |
| | KGTU 081947Z 19003KT 3SM BR OVC006 10/08 A2964 |
| 12:47 CST |  Overcast Fog And Mist | 9°C / 48°F | 7°C / 45°F | 87% | 1005 mb (29.68 in) | S 6 kph (S 3.5 mph) | - | 7SM |
| | KGTU 081847Z 19003KT 7SM BR BKN005 OVC013 09/07 A2968 |
| 11:48 CST |  Overcast Fog And Mist | 8°C / 46°F | 6°C / 43°F | 87% | 1007 mb (29.74 in) | Calm | - | 5SM |
| | KGTU 081748Z 00000KT 5SM BR OVC005 08/06 A2973 |
| 10:51 CST |  Overcast | 7°C / 45°F | 5°C / 41°F | 87% | 1008 mb (29.77 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KGTU 081651Z 25003KT 10SM OVC005 07/05 A2977 |
| 09:52 CST |  Overcast Fog And Mist | 6°C / 43°F | 4°C / 39°F | 87% | 1009 mb (29.8 in) | W 9 kph (W 5.8 mph) | - | 4SM |
| | KGTU 081552Z 27005KT 4SM BR OVC004 06/04 A2979 |
| 08:50 CST |  Overcast Fog And Mist | 6°C / 43°F | 4°C / 39°F | 87% | 1010 mb (29.83 in) | NW 11 kph (NW 6.9 mph) | - | 1 1/4SM |
| | KGTU 081450Z 30006KT 1 1/4SM BR OVC003 06/04 A2982 |
| 07:50 CST |  Overcast Fog And Mist | 6°C / 43°F | 3°C / 37°F | 81% | 1010 mb (29.83 in) | NW 11 kph (NW 6.9 mph) | - | 1SM |
| | KGTU 081350Z 30006KT 1SM BR OVC003 06/03 A2982 |
| 06:53 CST |  Overcast Fog And Mist | 5°C / 41°F | 3°C / 37°F | 87% | 1009 mb (29.8 in) | ENE 6 kph (ENE 3.5 mph) | - | 5SM |
| | KGTU 081253Z 06003KT 5SM BR OVC003 05/03 A2979 1ST |
| 06:35 CST |  Overcast | 5°C / 41°F | 4°C / 39°F | 93% | 1009 mb (29.8 in) | N 6 kph (N 3.5 mph) | 0.25 mm (0.01 in) | 3SM |
| | KGTU 081235Z 36003KT 3SM OVC003 05/04 A2980 RMK AO1 P0001 |
| 06:15 CST |  Overcast | 5°C / 41°F | 4°C / 39°F | 93% | 1009 mb (29.8 in) | Calm | 0.25 mm (0.01 in) | 2SM |
| | KGTU 081215Z 00000KT 2SM OVC003 05/04 A2981 RMK AO1 P0001 |
| 05:55 CST |  Overcast | 5°C / 41°F | 3°C / 37°F | 87% | 1010 mb (29.83 in) | NNW 7 kph (NNW 4.6 mph) | - | 1 1/2SM |
| | KGTU 081155Z 34004KT 1 1/2SM OVC003 05/03 A2982 RMK AO1 10060 20050 57024 |
| 05:35 CST |  Overcast | 5°C / 41°F | 4°C / 39°F | 93% | 1010 mb (29.83 in) | Calm | - | 1 1/4SM |
| | KGTU 081135Z 00000KT 1 1/4SM OVC003 05/04 A2982 RMK AO1 |
| 05:15 CST |  Overcast | 5°C / 41°F | 3°C / 37°F | 87% | 1010 mb (29.83 in) | N 6 kph (N 3.5 mph) | - | 1 1/4SM |
| | KGTU 081115Z 01003KT 1 1/4SM OVC002 05/03 A2983 RMK AO1 |
| 04:55 CST |  Overcast | 5°C / 41°F | 3°C / 37°F | 87% | 1010 mb (29.83 in) | N 7 kph (N 4.6 mph) | - | 1 1/4SM |
| | KGTU 081055Z 36004KT 1 1/4SM OVC002 05/03 A2984 RMK AO1 |
| 04:35 CST |  Overcast | 5°C / 41°F | 3°C / 37°F | 87% | 1010 mb (29.83 in) | NE 6 kph (NE 3.5 mph) | - | 1 1/4SM |
| | KGTU 081035Z 04003KT 1 1/4SM OVC002 05/03 A2984 RMK AO1 |
| 04:15 CST |  Overcast | 5°C / 41°F | 3°C / 37°F | 87% | 1011 mb (29.85 in) | NNE 7 kph (NNE 4.6 mph) | - | 1 1/4SM |
| | KGTU 081015Z 02004KT 1 1/4SM OVC002 05/03 A2985 RMK AO1 |
| 03:55 CST |  Overcast | 5°C / 41°F | 3°C / 37°F | 87% | 1011 mb (29.85 in) | N 7 kph (N 4.6 mph) | - | 1 3/4SM |
| | KGTU 080955Z 36004KT 1 3/4SM OVC002 05/03 A2986 RMK AO1 |
| 03:35 CST |  Overcast | 5°C / 41°F | 3°C / 37°F | 87% | 1012 mb (29.88 in) | NNE 9 kph (NNE 5.8 mph) | - | 2SM |
| | KGTU 080935Z 02005KT 2SM OVC003 05/03 A2987 RMK AO1 |
| 03:15 CST |  Overcast | 5°C / 41°F | 3°C / 37°F | 87% | 1012 mb (29.88 in) | N 9 kph (N 5.8 mph) | - | 2 1/2SM |
| | KGTU 080915Z 01005KT 2 1/2SM OVC003 05/03 A2989 RMK AO1 |
| 02:55 CST |  Overcast | 5°C / 41°F | 4°C / 39°F | 93% | 1012 mb (29.88 in) | N 13 kph (N 8.1 mph) | - | 2SM |
| | KGTU 080855Z 36007KT 2SM OVC002 05/04 A2989 RMK AO1 57030 |
| 02:35 CST |  Overcast | 6°C / 43°F | 4°C / 39°F | 87% | 1013 mb (29.91 in) | N 7 kph (N 4.6 mph) | - | 2SM |
| | KGTU 080835Z 36004KT 2SM OVC002 06/04 A2991 RMK AO1 |
| 02:15 CST |  Overcast | 5°C / 41°F | 4°C / 39°F | 93% | 1013 mb (29.91 in) | N 9 kph (N 5.8 mph) | - | 2SM |
| | KGTU 080815Z 36005KT 2SM OVC002 05/04 A2992 RMK AO1 |
| 01:55 CST |  Overcast | 5°C / 41°F | 3°C / 37°F | 87% | 1013 mb (29.91 in) | NNE 9 kph (NNE 5.8 mph) | - | 1 3/4SM |
| | KGTU 080755Z 02005KT 1 3/4SM OVC003 05/03 A2992 RMK AO1 |
| 01:35 CST |  Overcast | 5°C / 41°F | 3°C / 37°F | 87% | 1014 mb (29.94 in) | NE 7 kph (NE 4.6 mph) | - | 1 3/4SM |
| | KGTU 080735Z 03004KT 1 3/4SM OVC003 05/03 A2993 RMK AO1 |
| 01:15 CST |  Overcast | 5°C / 41°F | 3°C / 37°F | 87% | 1014 mb (29.94 in) | N 11 kph (N 6.9 mph) | - | 1 1/2SM |
| | KGTU 080715Z 01006KT 1 1/2SM OVC002 05/03 A2994 RMK AO1 |
| 00:55 CST |  Overcast | 5°C / 41°F | 3°C / 37°F | 87% | 1014 mb (29.94 in) | N 7 kph (N 4.6 mph) | - | 1 3/4SM |
| | KGTU 080655Z 01004KT 1 3/4SM OVC003 05/03 A2995 RMK AO1 |
| 00:35 CST |  Overcast | 6°C / 43°F | 3°C / 37°F | 81% | 1015 mb (29.97 in) | N 9 kph (N 5.8 mph) | - | 2SM |
| | KGTU 080635Z 36005KT 2SM OVC003 06/03 A2996 RMK AO1 |
| 00:15 CST |  Overcast | 6°C / 43°F | 4°C / 39°F | 87% | 1015 mb (29.97 in) | NE 9 kph (NE 5.8 mph) | - | 2SM |
| | KGTU 080615Z 03005KT 2SM OVC003 06/04 A2997 RMK AO1 |