| 05:53 CST |  Clear | 8°C / 46°F | 6°C / 43°F | 87% | 1018 mb (30.06 in) | Calm | - | 8SM |
| | KGPT 291153Z 00000KT 8SM CLR 08/06 A3006 RMK AO2 SLP177 T00830061 10094 20072 53001 |
| 04:53 CST |  Clear | 8°C / 46°F | 6°C / 43°F | 87% | 1017 mb (30.03 in) | Calm | - | 7SM |
| | KGPT 291053Z 00000KT 7SM CLR 08/06 A3004 RMK AO2 SLP172 T00780061 |
| 03:53 CST |  Clear Fog And Mist | 8°C / 46°F | 6°C / 43°F | 87% | 1018 mb (30.06 in) | Calm | - | 5SM |
| | KGPT 290953Z 00000KT 5SM BR CLR 08/06 A3005 RMK AO2 SLP174 T00780056 |
| 02:53 CST |  Clear Fog And Mist | 8°C / 46°F | 6°C / 43°F | 87% | 1018 mb (30.06 in) | Calm | - | 6SM |
| | KGPT 290853Z 00000KT 6SM BR CLR 08/06 A3005 RMK AO2 SLP176 T00780061 57007 |
| 01:53 CST |  Clear Fog And Mist | 8°C / 46°F | 6°C / 43°F | 87% | 1018 mb (30.06 in) | Calm | - | 5SM |
| | KGPT 290753Z 00000KT 5SM BR CLR 08/06 A3006 RMK AO2 SLP180 T00780061 |
| 00:53 CST |  Clear Fog And Mist | 7°C / 45°F | 6°C / 43°F | 93% | 1018 mb (30.06 in) | Calm | - | 4SM |
| | KGPT 290653Z 00000KT 4SM BR CLR 07/06 A3006 RMK AO2 SLP179 T00720056 |