| 13:53 CST |  Overcast Blowing Snow | -11°C / 12°F | -14°C / 7°F | 79% | 1016 mb (30 in) | NNW 48 kph (NNW 29.9 mph) | - | 5SM |
| | KGRI 241953Z 33026G32KT 5SM BLSN OVC060 M11/M14 A3000 RMK AO2 PK WND 34036/1940 SLP187 T11111144 |
| 12:53 CST |  Partly Cloudy Blowing Snow | -11°C / 12°F | -14°C / 7°F | 79% | 1016 mb (30 in) | NNW 44 kph (NNW 27.6 mph) | 0.00 mm (0.00 in) | 3SM |
| | KGRI 241853Z 34024G36KT 3SM BLSN SCT015 M11/M14 A3000 RMK AO2 PK WND 35036/1847 SNB35E46 SLP188 P0000 T11111144 |
| 11:53 CST |  Mostly Cloudy | -11°C / 12°F | -14°C / 7°F | 79% | 1016 mb (30 in) | NNW 48 kph (NNW 29.9 mph) | - | 8SM |
| | KGRI 241753Z 34026G33KT 8SM SCT015 BKN060 M11/M14 A3001 RMK AO2 PK WND 32035/1722 SLP190 T11061144 11100 21117 58009 |
| 11:18 CST |  Mostly Cloudy Blowing Snow | -11°C / 12°F | -14°C / 7°F | 79% | 1016 mb (30 in) | NNW 50 kph (NNW 31.1 mph) | - | 4SM |
| | KGRI 241718Z 33027G34KT 4SM BLSN BKN015 M11/M14 A3001 RMK AO2 PK WND 33034/1712 |
| 10:53 CST |  Partly Cloudy | -11°C / 12°F | -14°C / 7°F | 79% | 1017 mb (30.03 in) | NNW 41 kph (NNW 25.3 mph) | - | 7SM |
| | KGRI 241653Z 34022G34KT 7SM FEW014 M11/M14 A3004 RMK AO2 PK WND 33037/1626 SLP202 T11111144 |
| 10:20 CST |  Mostly Cloudy Blowing Snow | -11°C / 12°F | -15°C / 5°F | 73% | 1017 mb (30.03 in) | NNW 48 kph (NNW 29.9 mph) | - | 6SM |
| | KGRI 241620Z 33026G34KT 6SM BLSN SCT016 BKN050 M11/M15 A3004 RMK AO2 PK WND 33034/1619 |
| 10:11 CST |  Overcast | -11°C / 12°F | -15°C / 5°F | 73% | 1018 mb (30.06 in) | NNW 43 kph (NNW 26.5 mph) | - | 10SM |
| | KGRI 241611Z 33023G29KT 10SM BKN016 OVC050 M11/M15 A3005 RMK AO2 PK WND 33033/1555 |
| 10:01 CST |  Mostly Cloudy Blowing Snow | -12°C / 10°F | -15°C / 5°F | 79% | 1018 mb (30.06 in) | NNW 37 kph (NNW 23 mph) | - | 5SM |
| | KGRI 241601Z 33020G34KT 5SM BLSN SCT016 BKN120 M12/M15 A3005 RMK AO2 PK WND 33033/1555 PRESRR |
| 09:53 CST |  Overcast Blowing Snow | -11°C / 12°F | -15°C / 5°F | 73% | 1017 mb (30.03 in) | NNW 54 kph (NNW 33.4 mph) | - | 6SM |
| | KGRI 241553Z 33029G34KT 6SM BLSN OVC016 M11/M15 A3004 RMK AO2 PK WND 33037/1536 SLP200 T11111150 |
| 09:27 CST |  Mostly Cloudy Blowing Snow | -11°C / 12°F | -15°C / 5°F | 73% | 1017 mb (30.03 in) | NNW 46 kph (NNW 28.8 mph) | - | 5SM |
| | KGRI 241527Z 33025G34KT 5SM BLSN BKN016 BKN043 M11/M15 A3003 RMK AO2 PK WND 33035/1459 |
| 08:53 CST |  Overcast Blowing Snow | -12°C / 10°F | -15°C / 5°F | 79% | 1017 mb (30.03 in) | NNW 46 kph (NNW 28.8 mph) | - | 6SM |
| | KGRI 241453Z 33025G31KT 6SM BLSN FEW021 OVC045 M12/M15 A3004 RMK AO2 PK WND 33032/1355 PRESFR SLP201 T11171150 50013 |
| 07:53 CST |  Overcast | -11°C / 12°F | -15°C / 5°F | 73% | 1018 mb (30.06 in) | NNW 41 kph (NNW 25.3 mph) | - | 10SM |
| | KGRI 241353Z 34022G29KT 10SM OVC049 M11/M15 A3007 RMK AO2 PK WND 33037/1326 SLP209 T11111150 |
| 06:53 CST |  Overcast | -11°C / 12°F | -14°C / 7°F | 79% | 1017 mb (30.03 in) | NNW 37 kph (NNW 23 mph) | - | 9SM |
| | KGRI 241253Z 33020G31KT 9SM OVC045 M11/M14 A3003 RMK AO2 PK WND 34036/1236 SLP194 T11061139 |
| 05:53 CST |  Overcast | -10°C / 14°F | -13°C / 9°F | 79% | 1016 mb (30 in) | NNW 41 kph (NNW 25.3 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGRI 241153Z AUTO 33022G29KT 10SM OVC043 M10/M13 A3000 RMK AO2 PK WND 33034/1131 SNB01E19 SLP185 P0000 60000 70027 T11001133 11033 21100 51010 |
| 04:53 CST |  Overcast | -9°C / 16°F | -12°C / 10°F | 79% | 1016 mb (30 in) | NNW 44 kph (NNW 27.6 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGRI 241053Z AUTO 33024G28KT 10SM FEW019 OVC043 M09/M12 A2999 RMK AO2 PK WND 33032/1020 SNB39E48 SLP180 P0000 T10891122 |
| 04:16 CST |  Overcast | -9°C / 16°F | -12°C / 10°F | 79% | 1016 mb (30 in) | NW 39 kph (NW 24.2 mph) | - | 10SM |
| | KGRI 241016Z AUTO 32021G31KT 10SM BKN019 OVC043 M09/M12 A3001 RMK AO2 PK WND 34031/1007 |
| 03:53 CST |  Overcast | -8°C / 18°F | -12°C / 10°F | 73% | 1016 mb (30 in) | NNW 39 kph (NNW 24.2 mph) | - | 10SM |
| | KGRI 240953Z AUTO 33021G31KT 10SM OVC043 M08/M12 A2999 RMK AO2 PK WND 33035/0916 PRESRR SLP180 T10831117 |
| 03:12 CST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1014 mb (29.94 in) | NNW 43 kph (NNW 26.5 mph) | - | 9SM |
| | KGRI 240912Z AUTO 33023G32KT 9SM SCT025 OVC041 M08/M11 A2994 RMK AO2 PK WND 33035/0859 |
| 02:53 CST |  Overcast | -7°C / 19°F | -11°C / 12°F | 73% | 1015 mb (29.97 in) | NNW 33 kph (NNW 20.7 mph) | - | 10SM |
| | KGRI 240853Z AUTO 33018G27KT 10SM OVC023 M07/M11 A2997 RMK AO2 PK WND 33033/0813 SLP172 60000 T10721106 53020 |
| 01:53 CST |  Overcast | -5°C / 23°F | -8°C / 18°F | 80% | 1014 mb (29.94 in) | NNW 43 kph (NNW 26.5 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGRI 240753Z AUTO 33023G32KT 10SM OVC017 M05/M08 A2995 RMK AO2 PK WND 34033/0738 UPE30 PRESRR SLP163 P0000 T10501078 |
| 01:03 CST |  Overcast Unknown Precip | -3°C / 27°F | -6°C / 21°F | 80% | 1013 mb (29.91 in) | NNW 37 kph (NNW 23 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGRI 240703Z AUTO 34020G27KT 10SM UP BKN017 OVC049 M03/M06 A2990 RMK AO2 PK WND 34027/0656 P0000 |
| 00:53 CST |  Overcast Unknown Precip | -3°C / 27°F | -6°C / 21°F | 80% | 1013 mb (29.91 in) | NNW 39 kph (NNW 24.2 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGRI 240653Z AUTO 34021G27KT 10SM UP SCT017 OVC049 M03/M06 A2991 RMK AO2 PK WND 33030/0636 UPB23 SLP147 P0000 T10331061 |
| 00:16 CST |  Overcast | -3°C / 27°F | -6°C / 21°F | 80% | 1013 mb (29.91 in) | NNW 39 kph (NNW 24.2 mph) | - | 10SM |
| | KGRI 240616Z AUTO 34021KT 10SM SCT015 OVC049 M03/M06 A2990 RMK AO2 PK WND 34026/0605 |