| 14:15 CST |  Overcast | -11°C / 12°F | -14°C / 7°F | 79% | 1022 mb (30.18 in) | NNW 22 kph (NNW 13.8 mph) | - | 10SM |
| | KHYS 142015Z AUTO 33012KT 10SM OVC015 M11/M14 A3018 RMK AO1 |
| 13:55 CST |  Overcast | -11°C / 12°F | -14°C / 7°F | 79% | 1022 mb (30.18 in) | NNW 24 kph (NNW 15 mph) | - | 10SM |
| | KHYS 141955Z AUTO 34013KT 10SM OVC015 M11/M14 A3017 RMK AO1 |
| 13:35 CST |  Overcast | -11°C / 12°F | -14°C / 7°F | 79% | 1022 mb (30.18 in) | NNW 26 kph (NNW 16.1 mph) | - | 9SM |
| | KHYS 141935Z AUTO 33014KT 9SM OVC015 M11/M14 A3017 RMK AO1 |
| 13:15 CST |  Overcast | -11°C / 12°F | -14°C / 7°F | 79% | 1022 mb (30.18 in) | NNW 26 kph (NNW 16.1 mph) | - | 10SM |
| | KHYS 141915Z AUTO 34014KT 10SM OVC015 M11/M14 A3017 RMK AO1 |
| 12:55 CST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1022 mb (30.18 in) | NNW 22 kph (NNW 13.8 mph) | - | 9SM |
| | KHYS 141855Z AUTO 34012KT 9SM OVC015 M12/M14 A3017 RMK AO1 |
| 12:35 CST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1022 mb (30.18 in) | NNW 24 kph (NNW 15 mph) | - | 9SM |
| | KHYS 141835Z AUTO 34013KT 9SM OVC015 M12/M14 A3017 RMK AO1 |
| 12:15 CST |  Overcast | -12°C / 10°F | -15°C / 5°F | 79% | 1022 mb (30.18 in) | N 22 kph (N 13.8 mph) | - | 9SM |
| | KHYS 141815Z AUTO 36012KT 9SM OVC015 M12/M15 A3017 RMK AO1 |
| 11:55 CST |  Overcast | -12°C / 10°F | -15°C / 5°F | 79% | 1021 mb (30.15 in) | NNW 26 kph (NNW 16.1 mph) | - | 10SM |
| | KHYS 141755Z AUTO 34014KT 10SM OVC013 M12/M15 A3016 RMK AO1 11120 21140 52027 |
| 11:35 CST |  Overcast | -12°C / 10°F | -16°C / 3°F | 72% | 1022 mb (30.18 in) | NNW 26 kph (NNW 16.1 mph) | - | 10SM |
| | KHYS 141735Z AUTO 34014KT 10SM OVC013 M12/M16 A3017 RMK AO1 |
| 11:15 CST |  Overcast | -12°C / 10°F | -16°C / 3°F | 72% | 1021 mb (30.15 in) | NNW 24 kph (NNW 15 mph) | - | 10SM |
| | KHYS 141715Z AUTO 33013KT 10SM OVC013 M12/M16 A3016 RMK AO1 |
| 10:55 CST |  Mostly Cloudy | -13°C / 9°F | -16°C / 3°F | 78% | 1021 mb (30.15 in) | NNW 26 kph (NNW 16.1 mph) | - | 10SM |
| | KHYS 141655Z AUTO 33014KT 10SM BKN013 M13/M16 A3016 RMK AO1 |
| 10:35 CST |  Partly Cloudy | -13°C / 9°F | -16°C / 3°F | 78% | 1021 mb (30.15 in) | NNW 24 kph (NNW 15 mph) | - | 10SM |
| | KHYS 141635Z AUTO 33013KT 10SM FEW011 M13/M16 A3015 RMK AO1 |
| 10:15 CST |  Clear | -13°C / 9°F | -17°C / 1°F | 72% | 1021 mb (30.15 in) | NNW 28 kph (NNW 17.3 mph) | - | 10SM |
| | KHYS 141615Z AUTO 34015KT 10SM CLR M13/M17 A3014 RMK AO1 |
| 09:55 CST |  Clear | -14°C / 7°F | -17°C / 1°F | 78% | 1020 mb (30.12 in) | NNW 28 kph (NNW 17.3 mph) | - | 10SM |
| | KHYS 141555Z AUTO 34015KT 10SM CLR M14/M17 A3012 RMK AO1 |
| 09:35 CST |  Clear | -14°C / 7°F | -18°C / 0°F | 72% | 1020 mb (30.12 in) | NNW 24 kph (NNW 15 mph) | - | 10SM |
| | KHYS 141535Z AUTO 34013KT 10SM CLR M14/M18 A3011 RMK AO1 |
| 09:15 CST |  Clear | -14°C / 7°F | -18°C / 0°F | 72% | 1019 mb (30.09 in) | NNW 26 kph (NNW 16.1 mph) | - | 10SM |
| | KHYS 141515Z AUTO 34014KT 10SM CLR M14/M18 A3009 RMK AO1 |
| 08:55 CST |  Clear | -14°C / 7°F | -18°C / 0°F | 72% | 1019 mb (30.09 in) | NNW 24 kph (NNW 15 mph) | - | 10SM |
| | KHYS 141455Z AUTO 34013KT 10SM CLR M14/M18 A3008 RMK AO1 52037 |
| 08:35 CST |  Clear | -14°C / 7°F | -18°C / 0°F | 72% | 1018 mb (30.06 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KHYS 141435Z AUTO 32012G18KT 10SM CLR M14/M18 A3007 RMK AO1 |
| 08:15 CST |  Clear | -14°C / 7°F | -18°C / 0°F | 72% | 1018 mb (30.06 in) | NNW 24 kph (NNW 15 mph) | - | 10SM |
| | KHYS 141415Z AUTO 33013KT 10SM CLR M14/M18 A3005 RMK AO1 |
| 07:55 CST |  Clear | -14°C / 7°F | -18°C / 0°F | 72% | 1017 mb (30.03 in) | NNW 24 kph (NNW 15 mph) | - | 10SM |
| | KHYS 141355Z AUTO 33013KT 10SM CLR M14/M18 A3003 RMK AO1 |
| 07:35 CST |  Clear | -14°C / 7°F | -18°C / 0°F | 72% | 1017 mb (30.03 in) | NNW 22 kph (NNW 13.8 mph) | - | 10SM |
| | KHYS 141335Z AUTO 33012KT 10SM CLR M14/M18 A3003 RMK AO1 |
| 07:15 CST |  Partly Cloudy | -14°C / 7°F | -17°C / 1°F | 78% | 1016 mb (30 in) | NNW 24 kph (NNW 15 mph) | - | 10SM |
| | KHYS 141315Z AUTO 33013KT 10SM FEW019 M14/M17 A3001 RMK AO1 |
| 06:55 CST |  Partly Cloudy | -14°C / 7°F | -18°C / 0°F | 72% | 1016 mb (30 in) | NNW 26 kph (NNW 16.1 mph) | - | 10SM |
| | KHYS 141255Z AUTO 34014KT 10SM FEW019 M14/M18 A3000 RMK AO1 |
| 06:35 CST |  Clear | -14°C / 7°F | -18°C / 0°F | 72% | 1016 mb (30 in) | NNW 26 kph (NNW 16.1 mph) | - | 10SM |
| | KHYS 141235Z AUTO 34014KT 10SM CLR M14/M18 A2999 RMK AO1 |
| 06:15 CST |  Clear | -14°C / 7°F | -16°C / 3°F | 85% | 1015 mb (29.97 in) | NNW 28 kph (NNW 17.3 mph) | - | 10SM |
| | KHYS 141215Z AUTO 33015G18KT 10SM CLR M14/M16 A2998 RMK AO1 |
| 05:55 CST |  Clear | -14°C / 7°F | -16°C / 3°F | 85% | 1015 mb (29.97 in) | NNW 22 kph (NNW 13.8 mph) | - | 10SM |
| | KHYS 141155Z AUTO 33012KT 10SM CLR M14/M16 A2997 RMK AO1 70001 11050 21140 52047 |
| 05:35 CST |  Partly Cloudy | -13°C / 9°F | -17°C / 1°F | 72% | 1014 mb (29.94 in) | NNW 32 kph (NNW 19.6 mph) | - | 10SM |
| | KHYS 141135Z AUTO 33017KT 10SM SCT017 M13/M17 A2995 RMK AO1 |
| 05:15 CST |  Overcast | -13°C / 9°F | -15°C / 5°F | 85% | 1014 mb (29.94 in) | NNW 37 kph (NNW 23 mph) | - | 10SM |
| | KHYS 141115Z AUTO 33020G25KT 10SM OVC017 M13/M15 A2994 RMK AO1 |
| 04:55 CST |  Overcast | -12°C / 10°F | -15°C / 5°F | 79% | 1014 mb (29.94 in) | NNW 30 kph (NNW 18.4 mph) | - | 10SM |
| | KHYS 141055Z AUTO 33016KT 10SM OVC015 M12/M15 A2993 RMK AO1 |
| 04:35 CST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1013 mb (29.91 in) | NNW 39 kph (NNW 24.2 mph) | - | 9SM |
| | KHYS 141035Z AUTO 33021KT 9SM OVC013 M12/M14 A2992 RMK AO1 |
| 04:15 CST |  Overcast | -12°C / 10°F | -13°C / 9°F | 92% | 1012 mb (29.88 in) | NNW 28 kph (NNW 17.3 mph) | - | 7SM |
| | KHYS 141015Z AUTO 33015G19KT 7SM OVC011 M12/M13 A2989 RMK AO1 |
| 03:55 CST |  Overcast | -12°C / 10°F | -13°C / 9°F | 92% | 1012 mb (29.88 in) | NNW 26 kph (NNW 16.1 mph) | - | 7SM |
| | KHYS 140955Z AUTO 34014KT 7SM OVC011 M12/M13 A2988 RMK AO1 |
| 03:35 CST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1011 mb (29.85 in) | NW 26 kph (NW 16.1 mph) | - | 7SM |
| | KHYS 140935Z AUTO 32014KT 7SM OVC009 M11/M13 A2986 RMK AO1 |
| 03:15 CST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1011 mb (29.85 in) | NW 26 kph (NW 16.1 mph) | - | 7SM |
| | KHYS 140915Z AUTO 32014G18KT 7SM OVC009 M11/M13 A2985 RMK AO1 |
| 02:55 CST |  Overcast | -12°C / 10°F | -13°C / 9°F | 92% | 1010 mb (29.83 in) | NNW 24 kph (NNW 15 mph) | - | 8SM |
| | KHYS 140855Z AUTO 33013KT 8SM OVC011 M12/M13 A2983 RMK AO1 52054 |
| 02:35 CST |  Overcast | -12°C / 10°F | -13°C / 9°F | 92% | 1010 mb (29.83 in) | NNW 32 kph (NNW 19.6 mph) | - | 6SM |
| | KHYS 140835Z AUTO 34017G21KT 6SM OVC011 M12/M13 A2982 RMK AO1 |
| 02:15 CST |  Overcast | -12°C / 10°F | -13°C / 9°F | 92% | 1010 mb (29.83 in) | NNW 33 kph (NNW 20.7 mph) | - | 5SM |
| | KHYS 140815Z AUTO 33018G23KT 5SM OVC009 M12/M13 A2982 RMK AO1 |
| 01:55 CST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1009 mb (29.8 in) | NNW 32 kph (NNW 19.6 mph) | - | 4SM |
| | KHYS 140755Z AUTO 33017KT 4SM OVC009 M11/M13 A2979 RMK AO1 |
| 01:35 CST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1008 mb (29.77 in) | NNW 35 kph (NNW 21.9 mph) | - | 2 1/2SM |
| | KHYS 140735Z AUTO 34019G28KT 2 1/2SM OVC007 M11/M13 A2978 RMK AO1 |
| 01:15 CST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1008 mb (29.77 in) | NNW 44 kph (NNW 27.6 mph) | - | 2 1/2SM |
| | KHYS 140715Z AUTO 34024G29KT 2 1/2SM OVC007 M11/M13 A2977 RMK AO1 |
| 00:55 CST |  Overcast | -9°C / 16°F | -11°C / 12°F | 86% | 1007 mb (29.74 in) | NNW 44 kph (NNW 27.6 mph) | - | 1 1/4SM |
| | KHYS 140655Z AUTO 34024G28KT 1 1/4SM OVC004 M09/M11 A2973 RMK AO1 |
| 00:35 CST |  Overcast | -8°C / 18°F | -9°C / 16°F | 93% | 1006 mb (29.71 in) | NNW 37 kph (NNW 23 mph) | - | 1SM |
| | KHYS 140635Z AUTO 34020KT 1SM OVC003 M08/M09 A2971 RMK AO1 |
| 00:15 CST |  Overcast | -7°C / 19°F | -8°C / 18°F | 93% | 1005 mb (29.68 in) | N 28 kph (N 17.3 mph) | - | 3/4SM |
| | KHYS 140615Z AUTO 35015KT 3/4SM OVC003 M07/M08 A2969 RMK AO1 |