| 15:50 CST |  Clear | 6°C / 43°F | -7°C / 19°F | 39% | 1023 mb (30.21 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KGTR 052150Z 35004KT 10SM SKC 06/M07 A3021 |
| 14:55 CST |  Clear | 7°C / 45°F | -7°C / 19°F | 37% | 1023 mb (30.21 in) | NNW 11 kph (NNW 6.9 mph) | - | 10SM |
| | KGTR 052055Z 34006KT 10SM SKC 07/M07 A3021 |
| 13:50 CST |  Clear | 7°C / 45°F | -7°C / 19°F | 37% | 1023 mb (30.21 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KGTR 051950Z 32006KT 10SM SKC 07/M07 A3020 |
| 12:50 CST |  Clear | 6°C / 43°F | -7°C / 19°F | 39% | 1023 mb (30.21 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KGTR 051850Z 31008KT 10SM SKC 06/M07 A3021 |
| 11:50 CST |  Clear | 5°C / 41°F | -7°C / 19°F | 42% | N/A | N 15 kph (N 9.2 mph) | - | 10SM |
| | KGTR 051750Z 36008KT 10SM SKC 05/M07 |
| 10:52 CST |  Clear | 4°C / 39°F | -7°C / 19°F | 45% | 1025 mb (30.27 in) | N 19 kph (N 11.5 mph) | - | 10SM |
| | KGTR 051652Z 35010KT 10SM SKC 04/M07 A3026 |
| 08:54 CST |  Clear | 1°C / 34°F | -4°C / 25°F | 70% | 1025 mb (30.27 in) | NNW 15 kph (NNW 9.2 mph) | - | 10SM |
| | KGTR 051454Z 34008KT 10SM CLR 01/M04 A3027 |
| 06:45 CST |  Clear | -2°C / 28°F | -5°C / 23°F | 80% | 1024 mb (30.24 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KGTR 051245Z 33005KT 10SM SKC M02/M05 A3023 |
| 05:45 CST |  Clear | -2°C / 28°F | -4°C / 25°F | 86% | 1023 mb (30.21 in) | NNW 11 kph (NNW 6.9 mph) | - | 10SM |
| | KGTR 051145Z 33006KT 10SM SKC M02/M04 A3022 |
| 05:35 CST |  Clear | -2°C / 28°F | -4°C / 25°F | 86% | 1023 mb (30.21 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KGTR 051135Z 32005KT 10SM CLR M02/M04 A3021 RMK AO1 |
| 05:15 CST |  Clear | -2°C / 28°F | -4°C / 25°F | 86% | 1023 mb (30.21 in) | NNW 11 kph (NNW 6.9 mph) | - | 10SM |
| | KGTR 051115Z 33006KT 10SM CLR M02/M04 A3021 RMK AO1 |
| 04:55 CST |  Clear | -1°C / 30°F | -3°C / 27°F | 86% | 1023 mb (30.21 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KGTR 051055Z 31005KT 10SM CLR M01/M03 A3020 RMK AO1 |
| 04:35 CST |  Clear | -1°C / 30°F | -3°C / 27°F | 86% | 1023 mb (30.21 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KGTR 051035Z 31005KT 10SM CLR M01/M03 A3020 RMK AO1 |
| 04:15 CST |  Clear | -1°C / 30°F | -3°C / 27°F | 86% | 1023 mb (30.21 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KGTR 051015Z 32004KT 10SM CLR M01/M03 A3020 RMK AO1 |
| 03:55 CST |  Clear | -1°C / 30°F | -3°C / 27°F | 86% | 1022 mb (30.18 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KGTR 050955Z 32004KT 10SM CLR M01/M03 A3019 RMK AO1 |
| 03:35 CST |  Clear | 0°C / 32°F | -3°C / 27°F | 80% | 1023 mb (30.21 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KGTR 050935Z 31004KT 10SM CLR 00/M03 A3020 RMK AO1 |
| 03:15 CST |  Clear | 0°C / 32°F | -3°C / 27°F | 80% | 1023 mb (30.21 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KGTR 050915Z 32005KT 10SM CLR 00/M03 A3020 RMK AO1 |
| 02:55 CST |  Partly Cloudy | 1°C / 34°F | -3°C / 27°F | 75% | 1022 mb (30.18 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KGTR 050855Z 32005KT 10SM FEW110 01/M03 A3019 RMK AO1 52003 |
| 02:35 CST |  Mostly Cloudy | 1°C / 34°F | -3°C / 27°F | 75% | 1023 mb (30.21 in) | NNW 13 kph (NNW 8.1 mph) | - | 10SM |
| | KGTR 050835Z 34007KT 10SM FEW028 SCT038 BKN110 01/M03 A3020 RMK AO1 |
| 02:15 CST |  Overcast | 1°C / 34°F | -3°C / 27°F | 75% | 1023 mb (30.21 in) | NNW 11 kph (NNW 6.9 mph) | - | 10SM |
| | KGTR 050815Z 34006KT 10SM SCT037 BKN047 OVC065 01/M03 A3020 RMK AO1 |
| 01:55 CST |  Overcast | 2°C / 36°F | -2°C / 28°F | 75% | 1023 mb (30.21 in) | NNW 13 kph (NNW 8.1 mph) | - | 10SM |
| | KGTR 050755Z 33007KT 10SM BKN065 OVC085 02/M02 A3020 RMK AO1 |
| 01:35 CST |  Mostly Cloudy | 2°C / 36°F | -2°C / 28°F | 75% | 1023 mb (30.21 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KGTR 050735Z 32006KT 10SM FEW039 SCT046 BKN075 02/M02 A3020 RMK AO1 |
| 01:15 CST |  Overcast | 2°C / 36°F | -2°C / 28°F | 75% | 1022 mb (30.18 in) | NNW 13 kph (NNW 8.1 mph) | - | 10SM |
| | KGTR 050715Z 34007KT 10SM FEW035 OVC047 02/M02 A3019 RMK AO1 |
| 00:55 CST |  Overcast | 2°C / 36°F | -3°C / 27°F | 70% | 1022 mb (30.18 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KGTR 050655Z 33005KT 10SM FEW039 BKN048 OVC050 02/M03 A3019 RMK AO1 |
| 00:35 CST |  Overcast | 2°C / 36°F | -3°C / 27°F | 70% | 1022 mb (30.18 in) | NNW 20 kph (NNW 12.7 mph) | - | 10SM |
| | KGTR 050635Z 34011KT 10SM BKN041 OVC050 02/M03 A3019 RMK AO1 |
| 00:15 CST |  Overcast | 2°C / 36°F | -4°C / 25°F | 65% | 1023 mb (30.21 in) | NNW 11 kph (NNW 6.9 mph) | - | 10SM |
| | KGTR 050615Z 34006KT 10SM BKN039 OVC048 02/M04 A3020 RMK AO1 |