| 06:15 CST |  Clear | -8°C / 18°F | -12°C / 10°F | 73% | 1023 mb (30.21 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KHYS 031215Z AUTO 32009KT 10SM CLR M08/M12 A3020 RMK AO1 |
| 05:55 CST |  Clear | -8°C / 18°F | -12°C / 10°F | 73% | 1023 mb (30.21 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KHYS 031155Z AUTO 32008KT 10SM CLR M08/M12 A3020 RMK AO1 11070 21090 52014 |
| 05:35 CST |  Clear | -9°C / 16°F | -11°C / 12°F | 86% | 1022 mb (30.18 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KHYS 031135Z AUTO 32008KT 10SM CLR M09/M11 A3019 RMK AO1 |
| 05:15 CST |  Clear | -8°C / 18°F | -13°C / 9°F | 68% | 1022 mb (30.18 in) | WNW 13 kph (WNW 8.1 mph) | - | 10SM |
| | KHYS 031115Z AUTO 29007KT 10SM CLR M08/M13 A3019 RMK AO1 |
| 04:55 CST |  Clear | -8°C / 18°F | -12°C / 10°F | 73% | 1022 mb (30.18 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KHYS 031055Z AUTO 30007KT 10SM CLR M08/M12 A3019 RMK AO1 |
| 04:35 CST |  Clear | -8°C / 18°F | -10°C / 14°F | 86% | 1022 mb (30.18 in) | NNW 13 kph (NNW 8.1 mph) | - | 10SM |
| | KHYS 031035Z AUTO 33007KT 10SM CLR M08/M10 A3018 RMK AO1 |
| 04:15 CST |  Clear | -8°C / 18°F | -11°C / 12°F | 79% | 1022 mb (30.18 in) | NNW 15 kph (NNW 9.2 mph) | - | 10SM |
| | KHYS 031015Z AUTO 33008KT 10SM CLR M08/M11 A3017 RMK AO1 |
| 03:55 CST |  Clear | -8°C / 18°F | -12°C / 10°F | 73% | 1021 mb (30.15 in) | NNW 19 kph (NNW 11.5 mph) | - | 10SM |
| | KHYS 030955Z AUTO 34010KT 10SM CLR M08/M12 A3016 RMK AO1 |
| 03:35 CST |  Clear | -8°C / 18°F | -12°C / 10°F | 73% | 1021 mb (30.15 in) | NNW 15 kph (NNW 9.2 mph) | - | 10SM |
| | KHYS 030935Z AUTO 33008KT 10SM CLR M08/M12 A3016 RMK AO1 |
| 03:15 CST |  Clear | -8°C / 18°F | -12°C / 10°F | 73% | 1021 mb (30.15 in) | NNW 15 kph (NNW 9.2 mph) | - | 10SM |
| | KHYS 030915Z AUTO 33008KT 10SM CLR M08/M12 A3016 RMK AO1 |
| 02:55 CST |  Clear | -8°C / 18°F | -12°C / 10°F | 73% | 1021 mb (30.15 in) | NNW 15 kph (NNW 9.2 mph) | - | 10SM |
| | KHYS 030855Z AUTO 33008KT 10SM CLR M08/M12 A3016 RMK AO1 52014 |
| 02:35 CST |  Clear | -8°C / 18°F | -12°C / 10°F | 73% | 1021 mb (30.15 in) | NNW 15 kph (NNW 9.2 mph) | - | 10SM |
| | KHYS 030835Z AUTO 33008KT 10SM CLR M08/M12 A3015 RMK AO1 |
| 02:15 CST |  Clear | -8°C / 18°F | -11°C / 12°F | 79% | 1021 mb (30.15 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KHYS 030815Z AUTO 32008KT 10SM CLR M08/M11 A3015 RMK AO1 |
| 01:55 CST |  Clear | -8°C / 18°F | -12°C / 10°F | 73% | 1021 mb (30.15 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KHYS 030755Z AUTO 32007KT 10SM CLR M08/M12 A3014 RMK AO1 |
| 01:35 CST |  Clear | -9°C / 16°F | -12°C / 10°F | 79% | 1020 mb (30.12 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KHYS 030735Z AUTO 32006KT 10SM CLR M09/M12 A3013 RMK AO1 |
| 01:15 CST |  Clear | -9°C / 16°F | -12°C / 10°F | 79% | 1020 mb (30.12 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KHYS 030715Z AUTO 31006KT 10SM CLR M09/M12 A3013 RMK AO1 |
| 00:55 CST |  Clear | -8°C / 18°F | -12°C / 10°F | 73% | 1020 mb (30.12 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KHYS 030655Z AUTO 30006KT 10SM CLR M08/M12 A3012 RMK AO1 |
| 00:35 CST |  Clear | -8°C / 18°F | -12°C / 10°F | 73% | 1020 mb (30.12 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KHYS 030635Z AUTO 31007KT 10SM CLR M08/M12 A3011 RMK AO1 |
| 00:15 CST |  Clear | -8°C / 18°F | -12°C / 10°F | 73% | 1020 mb (30.12 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KHYS 030615Z AUTO 31006KT 10SM CLR M08/M12 A3011 RMK AO1 |