| 04:45 CST |  Clear | -1°C / 30°F | -5°C / 23°F | 75% | 1014 mb (29.94 in) | NW 24 kph (NW 15 mph) | - | 10SM |
| | KGVT 091045Z AUTO 31013G21KT 10SM CLR M01/M05 A2994 RMK AO2 |
| 04:25 CST |  Clear | 0°C / 32°F | -6°C / 21°F | 64% | 1014 mb (29.94 in) | NNW 22 kph (NNW 13.8 mph) | - | 10SM |
| | KGVT 091025Z AUTO 33012G18KT 10SM CLR 00/M06 A2994 RMK AO2 |
| 04:05 CST |  Clear | 0°C / 32°F | -6°C / 21°F | 64% | 1013 mb (29.91 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KGVT 091005Z AUTO 32012G24KT 10SM CLR 00/M06 A2992 RMK AO2 |
| 03:45 CST |  Clear | 0°C / 32°F | -6°C / 21°F | 64% | 1013 mb (29.91 in) | NW 30 kph (NW 18.4 mph) | - | 10SM |
| | KGVT 090945Z AUTO 31016G21KT 10SM CLR 00/M06 A2990 RMK AO2 |
| 03:25 CST |  Clear | 1°C / 34°F | -3°C / 27°F | 75% | 1012 mb (29.88 in) | NW 26 kph (NW 16.1 mph) | - | 10SM |
| | KGVT 090925Z AUTO 32014G23KT 10SM CLR 01/M03 A2989 RMK AO2 |
| 03:05 CST |  Partly Cloudy | 2°C / 36°F | -2°C / 28°F | 75% | 1012 mb (29.88 in) | NW 26 kph (NW 16.1 mph) | - | 10SM |
| | KGVT 090905Z AUTO 32014G24KT 10SM SCT019 02/M02 A2987 RMK AO2 |
| 02:45 CST |  Mostly Cloudy | 3°C / 37°F | 0°C / 32°F | 81% | 1011 mb (29.85 in) | NW 26 kph (NW 16.1 mph) | - | 10SM |
| | KGVT 090845Z AUTO 31014G21KT 10SM BKN019 BKN024 03/00 A2985 RMK AO2 |
| 02:25 CST |  Mostly Cloudy | 5°C / 41°F | 2°C / 36°F | 81% | 1010 mb (29.83 in) | NNW 24 kph (NNW 15 mph) | - | 10SM |
| | KGVT 090825Z AUTO 33013G24KT 10SM BKN019 05/02 A2983 RMK AO2 |
| 02:05 CST |  Partly Cloudy | 5°C / 41°F | 3°C / 37°F | 87% | 1008 mb (29.77 in) | NNW 28 kph (NNW 17.3 mph) | - | 10SM |
| | KGVT 090805Z AUTO 33015G20KT 10SM SCT019 05/03 A2978 RMK AO2 |
| 01:45 CST |  Clear | 6°C / 43°F | 3°C / 37°F | 81% | 1008 mb (29.77 in) | NW 28 kph (NW 17.3 mph) | - | 10SM |
| | KGVT 090745Z AUTO 31015G20KT 10SM CLR 06/03 A2978 RMK AO2 |
| 01:25 CST |  Clear | 7°C / 45°F | 3°C / 37°F | 76% | 1008 mb (29.77 in) | NW 30 kph (NW 18.4 mph) | - | 10SM |
| | KGVT 090725Z AUTO 32016G24KT 10SM CLR 07/03 A2977 RMK AO2 |
| 01:05 CST |  Clear | 8°C / 46°F | 4°C / 39°F | 76% | 1007 mb (29.74 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KGVT 090705Z AUTO 31011G16KT 10SM CLR 08/04 A2975 RMK AO2 |
| 00:45 CST |  Clear | 8°C / 46°F | 5°C / 41°F | 82% | 1007 mb (29.74 in) | WNW 19 kph (WNW 11.5 mph) | - | 10SM |
| | KGVT 090645Z AUTO 29010G15KT 10SM CLR 08/05 A2974 RMK AO2 |
| 00:25 CST |  Clear | 9°C / 48°F | 6°C / 43°F | 82% | 1006 mb (29.71 in) | WNW 15 kph (WNW 9.2 mph) | - | 10SM |
| | KGVT 090625Z AUTO 29008KT 10SM CLR 09/06 A2972 RMK AO2 |
| 00:05 CST |  Clear | 9°C / 48°F | 6°C / 43°F | 82% | 1006 mb (29.71 in) | W 13 kph (W 8.1 mph) | - | 10SM |
| | KGVT 090605Z AUTO 28007KT 10SM CLR 09/06 A2971 RMK AO2 |