| 14:15 CST |  Clear | -13°C / 9°F | -19°C / -2°F | 61% | 1016 mb (30 in) | W 20 kph (W 12.7 mph) | - | 10SM |
| | KHYS 092015Z AUTO 28011KT 10SM CLR M13/M19 A3000 RMK AO1 |
| 13:55 CST |  Clear | -13°C / 9°F | -18°C / 0°F | 66% | 1016 mb (30 in) | W 26 kph (W 16.1 mph) | - | 10SM |
| | KHYS 091955Z AUTO 27014G17KT 10SM CLR M13/M18 A3000 RMK AO1 |
| 13:35 CST |  Clear | -13°C / 9°F | -19°C / -2°F | 61% | 1016 mb (30 in) | W 22 kph (W 13.8 mph) | - | 10SM |
| | KHYS 091935Z AUTO 28012KT 10SM CLR M13/M19 A3000 RMK AO1 |
| 13:15 CST |  Clear | -13°C / 9°F | -19°C / -2°F | 61% | 1016 mb (30 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KHYS 091915Z AUTO 30011KT 10SM CLR M13/M19 A3000 RMK AO1 |
| 12:55 CST |  Clear | -13°C / 9°F | -19°C / -2°F | 61% | 1016 mb (30 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KHYS 091855Z AUTO 30011KT 10SM CLR M13/M19 A3000 RMK AO1 |
| 12:35 CST |  Clear | -13°C / 9°F | -19°C / -2°F | 61% | 1016 mb (30 in) | WNW 22 kph (WNW 13.8 mph) | - | 10SM |
| | KHYS 091835Z AUTO 29012KT 10SM CLR M13/M19 A3001 RMK AO1 |
| 12:15 CST |  Clear | -13°C / 9°F | -19°C / -2°F | 61% | 1016 mb (30 in) | NW 26 kph (NW 16.1 mph) | - | 10SM |
| | KHYS 091815Z AUTO 30014KT 10SM CLR M13/M19 A3001 RMK AO1 |
| 11:55 CST |  Clear | -13°C / 9°F | -19°C / -2°F | 61% | 1016 mb (30 in) | NW 24 kph (NW 15 mph) | - | 10SM |
| | KHYS 091755Z AUTO 30013KT 10SM CLR M13/M19 A3001 RMK AO1 11130 21160 52007 |
| 11:35 CST |  Clear | -14°C / 7°F | -19°C / -2°F | 66% | 1016 mb (30 in) | NW 24 kph (NW 15 mph) | - | 10SM |
| | KHYS 091735Z AUTO 31013G18KT 10SM CLR M14/M19 A3001 RMK AO1 |
| 11:15 CST |  Clear | -14°C / 7°F | -19°C / -2°F | 66% | 1017 mb (30.03 in) | NW 26 kph (NW 16.1 mph) | - | 10SM |
| | KHYS 091715Z AUTO 32014KT 10SM CLR M14/M19 A3002 RMK AO1 |
| 10:55 CST |  Clear | -14°C / 7°F | -20°C / -4°F | 61% | 1017 mb (30.03 in) | NW 26 kph (NW 16.1 mph) | - | 10SM |
| | KHYS 091655Z AUTO 32014KT 10SM CLR M14/M20 A3002 RMK AO1 |
| 10:35 CST |  Clear | -14°C / 7°F | -20°C / -4°F | 61% | 1017 mb (30.03 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KHYS 091635Z AUTO 32012KT 10SM CLR M14/M20 A3002 RMK AO1 |
| 10:15 CST |  Clear | -14°C / 7°F | -20°C / -4°F | 61% | 1017 mb (30.03 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KHYS 091615Z AUTO 32011KT 10SM CLR M14/M20 A3002 RMK AO1 |
| 09:55 CST |  Clear | -15°C / 5°F | -20°C / -4°F | 66% | 1017 mb (30.03 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KHYS 091555Z AUTO 32012KT 10SM CLR M15/M20 A3003 RMK AO1 |
| 09:35 CST |  Clear | -16°C / 3°F | -20°C / -4°F | 72% | 1017 mb (30.03 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KHYS 091535Z AUTO 30011KT 10SM CLR M16/M20 A3002 RMK AO1 |
| 09:15 CST |  Clear | -16°C / 3°F | -21°C / -6°F | 66% | 1016 mb (30 in) | NNW 24 kph (NNW 15 mph) | - | 10SM |
| | KHYS 091515Z AUTO 33013G19KT 10SM CLR M16/M21 A3000 RMK AO1 |
| 08:55 CST |  Clear | -16°C / 3°F | -21°C / -6°F | 66% | 1016 mb (30 in) | NNW 24 kph (NNW 15 mph) | - | 10SM |
| | KHYS 091455Z AUTO 33013KT 10SM CLR M16/M21 A2999 RMK AO1 52020 |
| 08:35 CST |  Clear | -16°C / 3°F | -21°C / -6°F | 66% | 1016 mb (30 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KHYS 091435Z AUTO 32012KT 10SM CLR M16/M21 A2999 RMK AO1 |
| 08:15 CST |  Clear | -16°C / 3°F | -21°C / -6°F | 66% | 1016 mb (30 in) | NW 24 kph (NW 15 mph) | - | 10SM |
| | KHYS 091415Z AUTO 31013KT 10SM CLR M16/M21 A2999 RMK AO1 |
| 07:55 CST |  Clear | -16°C / 3°F | -21°C / -6°F | 66% | 1015 mb (29.97 in) | NW 24 kph (NW 15 mph) | - | 10SM |
| | KHYS 091355Z AUTO 31013KT 10SM CLR M16/M21 A2997 RMK AO1 |
| 07:35 CST |  Clear | -16°C / 3°F | -21°C / -6°F | 66% | 1015 mb (29.97 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KHYS 091335Z AUTO 31012G17KT 10SM CLR M16/M21 A2998 RMK AO1 |
| 07:15 CST |  Clear | -16°C / 3°F | -21°C / -6°F | 66% | 1014 mb (29.94 in) | NW 26 kph (NW 16.1 mph) | - | 10SM |
| | KHYS 091315Z AUTO 32014KT 10SM CLR M16/M21 A2995 RMK AO1 |
| 06:55 CST |  Clear | -16°C / 3°F | -19°C / -2°F | 78% | 1014 mb (29.94 in) | NNW 32 kph (NNW 19.6 mph) | - | 10SM |
| | KHYS 091255Z AUTO 33017KT 10SM CLR M16/M19 A2994 RMK AO1 |
| 06:35 CST |  Clear | -16°C / 3°F | -20°C / -4°F | 72% | 1014 mb (29.94 in) | NNW 33 kph (NNW 20.7 mph) | - | 10SM |
| | KHYS 091235Z AUTO 33018KT 10SM CLR M16/M20 A2993 RMK AO1 |
| 06:15 CST |  Clear | -15°C / 5°F | -19°C / -2°F | 72% | 1014 mb (29.94 in) | NNW 33 kph (NNW 20.7 mph) | - | 10SM |
| | KHYS 091215Z AUTO 33018KT 10SM CLR M15/M19 A2993 RMK AO1 |
| 05:55 CST |  Clear | -15°C / 5°F | -19°C / -2°F | 72% | 1014 mb (29.94 in) | NW 32 kph (NW 19.6 mph) | - | 10SM |
| | KHYS 091155Z AUTO 32017G22KT 10SM CLR M15/M19 A2993 RMK AO1 11120 21150 52034 |
| 05:35 CST |  Clear | -14°C / 7°F | -19°C / -2°F | 66% | 1014 mb (29.94 in) | NW 30 kph (NW 18.4 mph) | - | 10SM |
| | KHYS 091135Z AUTO 32016G22KT 10SM CLR M14/M19 A2993 RMK AO1 |
| 05:15 CST |  Clear | -14°C / 7°F | -18°C / 0°F | 72% | 1013 mb (29.91 in) | NW 33 kph (NW 20.7 mph) | - | 10SM |
| | KHYS 091115Z AUTO 31018KT 10SM CLR M14/M18 A2992 RMK AO1 |
| 04:55 CST |  Clear | -14°C / 7°F | -18°C / 0°F | 72% | 1013 mb (29.91 in) | NW 32 kph (NW 19.6 mph) | - | 10SM |
| | KHYS 091055Z AUTO 32017G24KT 10SM CLR M14/M18 A2990 RMK AO1 |
| 04:35 CST |  Clear | -14°C / 7°F | -18°C / 0°F | 72% | 1012 mb (29.88 in) | NW 39 kph (NW 24.2 mph) | - | 6SM |
| | KHYS 091035Z AUTO 32021G27KT 6SM CLR M14/M18 A2988 RMK AO1 |
| 04:15 CST |  Clear | -14°C / 7°F | -18°C / 0°F | 72% | 1012 mb (29.88 in) | NW 35 kph (NW 21.9 mph) | - | 7SM |
| | KHYS 091015Z AUTO 32019G27KT 7SM CLR M14/M18 A2987 RMK AO1 |
| 03:55 CST |  Clear | -14°C / 7°F | -18°C / 0°F | 72% | 1011 mb (29.85 in) | NW 41 kph (NW 25.3 mph) | - | 5SM |
| | KHYS 090955Z AUTO 32022G27KT 5SM CLR M14/M18 A2985 RMK AO1 |
| 03:35 CST |  Clear | -13°C / 9°F | -17°C / 1°F | 72% | 1011 mb (29.85 in) | NW 41 kph (NW 25.3 mph) | - | 5SM |
| | KHYS 090935Z AUTO 32022G29KT 5SM CLR M13/M17 A2985 RMK AO1 |
| 03:15 CST |  Clear | -13°C / 9°F | -17°C / 1°F | 72% | 1010 mb (29.83 in) | NW 41 kph (NW 25.3 mph) | - | 5SM |
| | KHYS 090915Z AUTO 32022G25KT 5SM CLR M13/M17 A2984 RMK AO1 |
| 02:55 CST |  Clear | -13°C / 9°F | -17°C / 1°F | 72% | 1010 mb (29.83 in) | NW 41 kph (NW 25.3 mph) | - | 5SM |
| | KHYS 090855Z AUTO 32022G26KT 5SM CLR M13/M17 A2983 RMK AO1 52027 |
| 02:35 CST |  Clear | -13°C / 9°F | -17°C / 1°F | 72% | 1009 mb (29.8 in) | NNW 43 kph (NNW 26.5 mph) | - | 3SM |
| | KHYS 090835Z AUTO 33023G31KT 3SM CLR M13/M17 A2981 RMK AO1 |
| 02:15 CST |  Clear | -13°C / 9°F | -17°C / 1°F | 72% | 1008 mb (29.77 in) | NNW 44 kph (NNW 27.6 mph) | - | 2 1/2SM |
| | KHYS 090815Z AUTO 33024G31KT 2 1/2SM CLR M13/M17 A2978 RMK AO1 |
| 01:55 CST |  Clear | -13°C / 9°F | -16°C / 3°F | 78% | 1008 mb (29.77 in) | NNW 43 kph (NNW 26.5 mph) | - | 2 1/2SM |
| | KHYS 090755Z AUTO 33023G31KT 2 1/2SM CLR M13/M16 A2978 RMK AO1 |
| 01:35 CST |  Clear | -13°C / 9°F | -16°C / 3°F | 78% | 1008 mb (29.77 in) | NNW 43 kph (NNW 26.5 mph) | - | 3SM |
| | KHYS 090735Z AUTO 33023G30KT 3SM CLR M13/M16 A2977 RMK AO1 |
| 01:15 CST |  Partly Cloudy | -13°C / 9°F | -16°C / 3°F | 78% | 1008 mb (29.77 in) | NNW 43 kph (NNW 26.5 mph) | - | 3SM |
| | KHYS 090715Z AUTO 33023G29KT 3SM SCT015 M13/M16 A2976 RMK AO1 |
| 00:55 CST |  Overcast | -13°C / 9°F | -16°C / 3°F | 78% | 1008 mb (29.77 in) | NW 41 kph (NW 25.3 mph) | - | 3SM |
| | KHYS 090655Z AUTO 32022G29KT 3SM OVC015 M13/M16 A2976 RMK AO1 |
| 00:35 CST |  Overcast | -12°C / 10°F | -16°C / 3°F | 72% | 1008 mb (29.77 in) | NW 39 kph (NW 24.2 mph) | - | 4SM |
| | KHYS 090635Z AUTO 32021G29KT 4SM OVC015 M12/M16 A2976 RMK AO1 |
| 00:15 CST |  Overcast | -12°C / 10°F | -16°C / 3°F | 72% | 1007 mb (29.74 in) | NNW 46 kph (NNW 28.8 mph) | - | 2 1/2SM |
| | KHYS 090615Z AUTO 33025G29KT 2 1/2SM OVC015 M12/M16 A2975 RMK AO1 |