| 21:05 CST |  Overcast | 6°C / 43°F | -2°C / 28°F | 57% | 1023 mb (30.21 in) | E 13 kph (E 8.1 mph) | - | 10SM |
| | KGVT 120305Z AUTO 10007KT 10SM BKN039 OVC045 06/M02 A3022 RMK AO2 |
| 20:45 CST |  Overcast | 6°C / 43°F | -2°C / 28°F | 57% | 1023 mb (30.21 in) | E 11 kph (E 6.9 mph) | - | 10SM |
| | KGVT 120245Z AUTO 10006KT 10SM OVC043 06/M02 A3022 RMK AO2 |
| 20:25 CST |  Overcast | 6°C / 43°F | -3°C / 27°F | 53% | 1024 mb (30.24 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KGVT 120225Z AUTO 10005KT 10SM BKN043 OVC049 06/M03 A3023 RMK AO2 |
| 20:05 CST |  Overcast | 6°C / 43°F | -3°C / 27°F | 53% | 1023 mb (30.21 in) | E 11 kph (E 6.9 mph) | - | 10SM |
| | KGVT 120205Z AUTO 10006KT 10SM OVC044 06/M03 A3022 RMK AO2 |
| 19:45 CST |  Overcast | 6°C / 43°F | -3°C / 27°F | 53% | 1023 mb (30.21 in) | E 13 kph (E 8.1 mph) | - | 10SM |
| | KGVT 120145Z AUTO 09007KT 10SM OVC044 06/M03 A3022 RMK AO2 |
| 19:25 CST |  Overcast | 6°C / 43°F | -2°C / 28°F | 57% | 1023 mb (30.21 in) | E 11 kph (E 6.9 mph) | - | 10SM |
| | KGVT 120125Z AUTO 09006KT 10SM OVC044 06/M02 A3022 RMK AO2 |
| 19:05 CST |  Mostly Cloudy | 6°C / 43°F | -2°C / 28°F | 57% | 1023 mb (30.21 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KGVT 120105Z AUTO 10004KT 10SM BKN044 06/M02 A3021 RMK AO2 |
| 18:45 CST |  Partly Cloudy | 6°C / 43°F | -2°C / 28°F | 57% | 1023 mb (30.21 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KGVT 120045Z AUTO 09004KT 10SM SCT044 SCT070 06/M02 A3021 RMK AO2 |
| 18:25 CST |  Mostly Cloudy | 6°C / 43°F | -2°C / 28°F | 57% | 1023 mb (30.21 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KGVT 120025Z AUTO 10004KT 10SM BKN070 06/M02 A3021 RMK AO2 |
| 18:05 CST |  Overcast | 7°C / 45°F | -2°C / 28°F | 53% | 1023 mb (30.21 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KGVT 120005Z AUTO 08003KT 10SM OVC070 07/M02 A3022 RMK AO2 |
| 17:45 CST |  Overcast | 7°C / 45°F | -3°C / 27°F | 49% | 1023 mb (30.21 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KGVT 112345Z AUTO 09005KT 10SM OVC070 07/M03 A3021 RMK AO2 |
| 17:25 CST |  Overcast | 8°C / 46°F | -3°C / 27°F | 46% | 1023 mb (30.21 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KGVT 112325Z AUTO 10005KT 10SM OVC070 08/M03 A3021 RMK AO2 |
| 17:05 CST |  Overcast | 8°C / 46°F | -3°C / 27°F | 46% | 1023 mb (30.21 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KGVT 112305Z AUTO 09005KT 10SM OVC070 08/M03 A3022 RMK AO2 |
| 16:45 CST |  Overcast | 8°C / 46°F | -3°C / 27°F | 46% | 1024 mb (30.24 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KGVT 112245Z AUTO 10004KT 10SM SCT050 OVC070 08/M03 A3023 RMK AO2 |
| 16:25 CST |  Overcast | 8°C / 46°F | -4°C / 25°F | 43% | 1024 mb (30.24 in) | ESE 9 kph (ESE 5.8 mph) | - | 10SM |
| | KGVT 112225Z AUTO 11005KT 10SM SCT050 OVC070 08/M04 A3023 RMK AO2 |
| 16:05 CST |  Overcast | 8°C / 46°F | -3°C / 27°F | 46% | 1024 mb (30.24 in) | ESE 9 kph (ESE 5.8 mph) | - | 10SM |
| | KGVT 112205Z AUTO 11005KT 10SM SCT060 OVC070 08/M03 A3023 RMK AO2 |
| 15:45 CST |  Overcast | 8°C / 46°F | -3°C / 27°F | 46% | 1024 mb (30.24 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KGVT 112145Z AUTO 10005KT 10SM BKN060 OVC070 08/M03 A3023 RMK AO2 |
| 15:25 CST |  Overcast | 8°C / 46°F | -3°C / 27°F | 46% | 1023 mb (30.21 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KGVT 112125Z AUTO 08004KT 10SM OVC060 08/M03 A3022 RMK AO2 |
| 15:05 CST |  Overcast | 8°C / 46°F | -4°C / 25°F | 43% | 1023 mb (30.21 in) | ESE 7 kph (ESE 4.6 mph) | - | 10SM |
| | KGVT 112105Z AUTO 11004KT 10SM BKN060 OVC075 08/M04 A3022 RMK AO2 |
| 14:45 CST |  Overcast | 8°C / 46°F | -3°C / 27°F | 46% | 1023 mb (30.21 in) | E 11 kph (E 6.9 mph) | - | 10SM |
| | KGVT 112045Z AUTO 10006KT 10SM BKN060 OVC075 08/M03 A3022 RMK AO2 |
| 14:25 CST |  Overcast | 8°C / 46°F | -3°C / 27°F | 46% | 1023 mb (30.21 in) | ESE 9 kph (ESE 5.8 mph) | - | 10SM |
| | KGVT 112025Z AUTO 11005KT 10SM BKN060 OVC075 08/M03 A3022 RMK AO2 |
| 14:05 CST |  Overcast | 8°C / 46°F | -3°C / 27°F | 46% | 1023 mb (30.21 in) | SE 11 kph (SE 6.9 mph) | - | 10SM |
| | KGVT 112005Z AUTO 13006KT 10SM SCT060 OVC075 08/M03 A3022 RMK AO2 |
| 13:45 CST |  Overcast | 7°C / 45°F | -3°C / 27°F | 49% | 1024 mb (30.24 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KGVT 111945Z AUTO 09004KT 10SM SCT060 OVC075 07/M03 A3023 RMK AO2 |
| 13:25 CST |  Overcast | 7°C / 45°F | -3°C / 27°F | 49% | 1024 mb (30.24 in) | SE 6 kph (SE 3.5 mph) | - | 10SM |
| | KGVT 111925Z AUTO 12003KT 10SM BKN060 OVC075 07/M03 A3024 RMK AO2 |
| 13:05 CST |  Overcast | 7°C / 45°F | -3°C / 27°F | 49% | 1024 mb (30.24 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KGVT 111905Z AUTO 10005KT 10SM OVC060 07/M03 A3024 RMK AO2 |
| 12:45 CST |  Overcast | 7°C / 45°F | -3°C / 27°F | 49% | 1024 mb (30.24 in) | ESE 9 kph (ESE 5.8 mph) | - | 10SM |
| | KGVT 111845Z AUTO 11005KT 10SM BKN060 OVC075 07/M03 A3025 RMK AO2 |
| 12:25 CST |  Overcast | 6°C / 43°F | -4°C / 25°F | 49% | 1025 mb (30.27 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KGVT 111825Z AUTO 09005KT 10SM OVC060 06/M04 A3026 RMK AO2 |
| 12:05 CST |  Overcast | 7°C / 45°F | -4°C / 25°F | 46% | 1025 mb (30.27 in) | E 11 kph (E 6.9 mph) | - | 10SM |
| | KGVT 111805Z AUTO 09006KT 10SM BKN060 OVC085 07/M04 A3027 RMK AO2 |
| 11:45 CST |  Overcast | 7°C / 45°F | -5°C / 23°F | 42% | 1025 mb (30.27 in) | SSE 13 kph (SSE 8.1 mph) | - | 10SM |
| | KGVT 111745Z AUTO 15007KT 10SM SCT060 SCT070 OVC085 07/M05 A3028 RMK AO2 |
| 11:25 CST |  Overcast | 7°C / 45°F | -4°C / 25°F | 46% | 1026 mb (30.3 in) | SE 13 kph (SE 8.1 mph) | - | 10SM |
| | KGVT 111725Z AUTO 13007KT 10SM SCT060 OVC085 07/M04 A3029 RMK AO2 |
| 11:05 CST |  Mostly Cloudy | 6°C / 43°F | -4°C / 25°F | 49% | 1026 mb (30.3 in) | SE 11 kph (SE 6.9 mph) | - | 10SM |
| | KGVT 111705Z AUTO 12006KT 10SM SCT060 SCT075 BKN085 06/M04 A3030 RMK AO2 |
| 10:45 CST |  Overcast | 6°C / 43°F | -3°C / 27°F | 53% | 1026 mb (30.3 in) | SSE 13 kph (SSE 8.1 mph) | - | 10SM |
| | KGVT 111645Z AUTO 15007KT 10SM SCT060 OVC085 06/M03 A3031 RMK AO2 |
| 10:25 CST |  Overcast | 5°C / 41°F | -3°C / 27°F | 57% | 1026 mb (30.3 in) | ESE 9 kph (ESE 5.8 mph) | - | 10SM |
| | KGVT 111625Z AUTO 11005KT 10SM BKN060 OVC085 05/M03 A3031 RMK AO2 |
| 10:05 CST |  Overcast | 4°C / 39°F | -3°C / 27°F | 61% | 1026 mb (30.3 in) | SE 13 kph (SE 8.1 mph) | - | 10SM |
| | KGVT 111605Z AUTO 12007KT 10SM BKN060 OVC085 04/M03 A3031 RMK AO2 |
| 09:45 CST |  Overcast | 3°C / 37°F | -3°C / 27°F | 65% | 1026 mb (30.3 in) | SE 11 kph (SE 6.9 mph) | - | 10SM |
| | KGVT 111545Z AUTO 12006KT 10SM OVC060 03/M03 A3031 RMK AO2 |
| 09:25 CST |  Overcast | 3°C / 37°F | -3°C / 27°F | 65% | 1026 mb (30.3 in) | SE 9 kph (SE 5.8 mph) | - | 10SM |
| | KGVT 111525Z AUTO 12005KT 10SM OVC060 03/M03 A3031 RMK AO2 |
| 09:05 CST |  Overcast | 3°C / 37°F | -4°C / 25°F | 60% | 1026 mb (30.3 in) | ESE 9 kph (ESE 5.8 mph) | - | 10SM |
| | KGVT 111505Z AUTO 11005KT 10SM OVC060 03/M04 A3030 RMK AO2 |
| 08:45 CST |  Overcast | 2°C / 36°F | -4°C / 25°F | 65% | 1026 mb (30.3 in) | SE 11 kph (SE 6.9 mph) | - | 10SM |
| | KGVT 111445Z AUTO 12006KT 10SM OVC060 02/M04 A3030 RMK AO2 |
| 08:25 CST |  Overcast | 2°C / 36°F | -4°C / 25°F | 65% | 1026 mb (30.3 in) | E 15 kph (E 9.2 mph) | - | 10SM |
| | KGVT 111425Z AUTO 10008KT 10SM SCT060 OVC085 02/M04 A3030 RMK AO2 |
| 08:05 CST |  Overcast | 2°C / 36°F | -4°C / 25°F | 65% | 1026 mb (30.3 in) | SE 15 kph (SE 9.2 mph) | - | 10SM |
| | KGVT 111405Z AUTO 12008KT 10SM OVC085 02/M04 A3029 RMK AO2 |
| 07:45 CST |  Overcast | 2°C / 36°F | -3°C / 27°F | 70% | 1026 mb (30.3 in) | ESE 11 kph (ESE 6.9 mph) | - | 10SM |
| | KGVT 111345Z AUTO 11006KT 10SM SCT060 OVC085 02/M03 A3029 RMK AO2 |
| 07:25 CST |  Overcast | 2°C / 36°F | -3°C / 27°F | 70% | 1026 mb (30.3 in) | ESE 11 kph (ESE 6.9 mph) | - | 10SM |
| | KGVT 111325Z AUTO 11006KT 10SM SCT060 OVC085 02/M03 A3029 RMK AO2 |
| 07:05 CST |  Overcast | 2°C / 36°F | -3°C / 27°F | 70% | 1026 mb (30.3 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KGVT 111305Z AUTO 10005KT 10SM OVC050 02/M03 A3030 RMK AO2 |
| 06:45 CST |  Overcast | 2°C / 36°F | -4°C / 25°F | 65% | 1026 mb (30.3 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KGVT 111245Z AUTO 09003KT 10SM OVC060 02/M04 A3030 RMK AO2 |
| 06:25 CST |  Overcast | 2°C / 36°F | -4°C / 25°F | 65% | 1026 mb (30.3 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KGVT 111225Z AUTO 07004KT 10SM OVC060 02/M04 A3029 RMK AO2 |
| 06:05 CST |  Overcast | 2°C / 36°F | -5°C / 23°F | 60% | 1025 mb (30.27 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KGVT 111205Z AUTO 07004KT 10SM OVC060 02/M05 A3028 RMK AO2 |
| 05:45 CST |  Overcast | 2°C / 36°F | -5°C / 23°F | 60% | 1025 mb (30.27 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KGVT 111145Z AUTO 08004KT 10SM OVC060 02/M05 A3027 RMK AO2 |
| 05:25 CST |  Overcast | 2°C / 36°F | -5°C / 23°F | 60% | 1025 mb (30.27 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KGVT 111125Z AUTO 09004KT 10SM OVC060 02/M05 A3028 RMK AO2 |
| 05:05 CST |  Overcast | 2°C / 36°F | -5°C / 23°F | 60% | 1025 mb (30.27 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KGVT 111105Z AUTO 09005KT 10SM OVC060 02/M05 A3028 RMK AO2 |
| 04:45 CST |  Overcast | 2°C / 36°F | -5°C / 23°F | 60% | 1025 mb (30.27 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KGVT 111045Z AUTO 09005KT 10SM OVC060 02/M05 A3028 RMK AO2 |
| 04:25 CST |  Overcast | 2°C / 36°F | -5°C / 23°F | 60% | 1025 mb (30.27 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KGVT 111025Z AUTO 10005KT 10SM OVC060 02/M05 A3027 RMK AO2 |
| 04:05 CST |  Overcast | 2°C / 36°F | -5°C / 23°F | 60% | 1025 mb (30.27 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KGVT 111005Z AUTO 07003KT 10SM OVC060 02/M05 A3027 RMK AO2 |
| 03:45 CST |  Overcast | 2°C / 36°F | -4°C / 25°F | 65% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KGVT 110945Z AUTO 00000KT 10SM OVC060 02/M04 A3027 RMK AO2 |
| 03:25 CST |  Mostly Cloudy | 1°C / 34°F | -4°C / 25°F | 70% | 1025 mb (30.27 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KGVT 110925Z AUTO 07004KT 10SM BKN060 01/M04 A3027 RMK AO2 |
| 03:05 CST |  Mostly Cloudy | 1°C / 34°F | -4°C / 25°F | 70% | 1025 mb (30.27 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KGVT 110905Z AUTO 07004KT 10SM BKN060 01/M04 A3028 RMK AO2 |
| 02:45 CST |  Overcast | 1°C / 34°F | -5°C / 23°F | 65% | 1026 mb (30.3 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KGVT 110845Z AUTO 08003KT 10SM OVC060 01/M05 A3029 RMK AO2 |
| 02:25 CST |  Overcast | 1°C / 34°F | -5°C / 23°F | 65% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KGVT 110825Z AUTO 00000KT 10SM OVC060 01/M05 A3029 RMK AO2 |
| 02:05 CST |  Overcast | 1°C / 34°F | -5°C / 23°F | 65% | 1026 mb (30.3 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KGVT 110805Z AUTO 06003KT 10SM OVC060 01/M05 A3030 RMK AO2 |
| 01:45 CST |  Mostly Cloudy | 1°C / 34°F | -5°C / 23°F | 65% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KGVT 110745Z AUTO 00000KT 10SM BKN060 01/M05 A3029 RMK AO2 |
| 01:25 CST |  Mostly Cloudy | 1°C / 34°F | -5°C / 23°F | 65% | 1026 mb (30.3 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KGVT 110725Z AUTO 06003KT 10SM SCT060 BKN065 01/M05 A3030 RMK AO2 |
| 01:05 CST |  Overcast | 1°C / 34°F | -5°C / 23°F | 65% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KGVT 110705Z AUTO 00000KT 10SM OVC060 01/M05 A3030 RMK AO2 |
| 00:45 CST |  Overcast | 1°C / 34°F | -5°C / 23°F | 65% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KGVT 110645Z AUTO 00000KT 10SM OVC060 01/M05 A3030 RMK AO2 |
| 00:25 CST |  Overcast | 1°C / 34°F | -5°C / 23°F | 65% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KGVT 110625Z AUTO 00000KT 10SM OVC060 01/M05 A3030 RMK AO2 |
| 00:05 CST |  Overcast | 1°C / 34°F | -5°C / 23°F | 65% | 1026 mb (30.3 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KGVT 110605Z AUTO 08003KT 10SM OVC060 01/M05 A3029 RMK AO2 |