| 20:53 CST |  Clear | -4°C / 25°F | -9°C / 16°F | 69% | 1018 mb (30.06 in) | S 9 kph (S 5.8 mph) | - | 10SM |
| | KGRB 060253Z 18005KT 10SM CLR M04/M09 A3007 RMK AO2 SLP195 T10441089 53008 |
| 19:53 CST |  Clear | -4°C / 25°F | -9°C / 16°F | 69% | 1018 mb (30.06 in) | S 13 kph (S 8.1 mph) | - | 10SM |
| | KGRB 060153Z 18007KT 10SM CLR M04/M09 A3006 RMK AO2 SLP190 T10391089 |
| 18:53 CST |  Clear | -4°C / 25°F | -9°C / 16°F | 69% | 1018 mb (30.06 in) | S 9 kph (S 5.8 mph) | - | 10SM |
| | KGRB 060053Z 18005KT 10SM CLR M04/M09 A3006 RMK AO2 SLP190 T10441089 |
| 17:53 CST |  Clear | -4°C / 25°F | -9°C / 16°F | 69% | 1018 mb (30.06 in) | S 11 kph (S 6.9 mph) | - | 10SM |
| | KGRB 052353Z 18006KT 10SM CLR M04/M09 A3005 RMK AO2 SLP186 T10441089 11017 21044 53001 |
| 16:53 CST |  Clear | -3°C / 27°F | -9°C / 16°F | 64% | 1018 mb (30.06 in) | S 11 kph (S 6.9 mph) | - | 10SM |
| | KGRB 052253Z 19006KT 10SM CLR M03/M09 A3005 RMK AO2 SLP187 T10331094 |
| 15:53 CST |  Partly Cloudy | -3°C / 27°F | -10°C / 14°F | 59% | 1017 mb (30.03 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KGRB 052153Z 20006KT 10SM SCT070 M03/M10 A3004 RMK AO2 SLP183 T10281100 |
| 14:53 CST |  Overcast | -2°C / 28°F | -10°C / 14°F | 55% | 1017 mb (30.03 in) | SW 11 kph (SW 6.9 mph) | - | 10SM |
| | KGRB 052053Z 21006KT 10SM OVC065 M02/M10 A3004 RMK AO2 SLP185 T10221100 56003 |
| 13:53 CST |  Overcast | -2°C / 28°F | -10°C / 14°F | 55% | 1017 mb (30.03 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KGRB 051953Z 24008KT 10SM OVC060 M02/M10 A3004 RMK AO2 SLP185 T10221100 |
| 12:53 CST |  Overcast | -3°C / 27°F | -10°C / 14°F | 59% | 1017 mb (30.03 in) | SW 15 kph (SW 9.2 mph) | - | 10SM |
| | KGRB 051853Z 22008KT 10SM OVC060 M03/M10 A3003 RMK AO2 SLP181 T10281100 |
| 11:53 CST |  Overcast | -3°C / 27°F | -10°C / 14°F | 59% | 1018 mb (30.06 in) | SW 17 kph (SW 10.4 mph) | - | 10SM |
| | KGRB 051753Z 23009KT 10SM OVC060 M03/M10 A3005 RMK AO2 SLP188 T10331100 11033 21067 58007 |
| 11:11 CST |  Overcast | -4°C / 25°F | -11°C / 12°F | 59% | 1018 mb (30.06 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KGRB 051711Z 25008KT 10SM FEW027 SCT033 OVC060 M04/M11 A3006 RMK AO2 |
| 11:03 CST |  Overcast | -4°C / 25°F | -10°C / 14°F | 63% | 1018 mb (30.06 in) | SW 17 kph (SW 10.4 mph) | - | 10SM |
| | KGRB 051703Z 23009KT 10SM BKN027 BKN035 OVC060 M04/M10 A3006 RMK AO2 |
| 10:53 CST |  Overcast | -4°C / 25°F | -10°C / 14°F | 63% | 1018 mb (30.06 in) | SW 11 kph (SW 6.9 mph) | - | 10SM |
| | KGRB 051653Z 23006KT 10SM SCT027 OVC035 M04/M10 A3006 RMK AO2 SLP192 T10391100 |
| 09:53 CST |  Overcast | -5°C / 23°F | -11°C / 12°F | 63% | 1019 mb (30.09 in) | SSW 19 kph (SSW 11.5 mph) | - | 10SM |
| | KGRB 051553Z 24010KT 10SM BKN035 OVC055 M05/M11 A3008 RMK AO2 SLP197 T10501106 |
| 08:53 CST |  Overcast | -6°C / 21°F | -11°C / 12°F | 68% | 1018 mb (30.06 in) | SW 20 kph (SW 12.7 mph) | - | 9SM |
| | KGRB 051453Z 22011KT 9SM FEW035 OVC050 M06/M11 A3007 RMK AO2 SLP195 T10561106 53005 |
| 07:53 CST |  Overcast | -6°C / 21°F | -11°C / 12°F | 68% | 1018 mb (30.06 in) | SW 19 kph (SW 11.5 mph) | - | 9SM |
| | KGRB 051353Z 23010KT 9SM SCT036 OVC055 M06/M11 A3006 RMK AO2 SLP192 T10611111 |
| 06:53 CST |  Overcast | -6°C / 21°F | -11°C / 12°F | 68% | 1018 mb (30.06 in) | SW 15 kph (SW 9.2 mph) | - | 10SM |
| | KGRB 051253Z 22008KT 10SM OVC055 M06/M11 A3006 RMK AO2 SLP191 T10611111 |
| 05:53 CST |  Overcast | -7°C / 19°F | -11°C / 12°F | 73% | 1018 mb (30.06 in) | SW 13 kph (SW 8.1 mph) | - | 10SM |
| | KGRB 051153Z 22007KT 10SM OVC060 M07/M11 A3006 RMK AO2 SLP190 60000 T10671111 11067 21067 55003 |
| 04:53 CST |  Clear | -7°C / 19°F | -11°C / 12°F | 73% | 1018 mb (30.06 in) | SW 13 kph (SW 8.1 mph) | - | 9SM |
| | KGRB 051053Z AUTO 22007KT 9SM CLR M07/M11 A3005 RMK AO2 SLP190 T10671106 |
| 03:53 CST |  Partly Cloudy | -7°C / 19°F | -11°C / 12°F | 73% | 1018 mb (30.06 in) | SW 7 kph (SW 4.6 mph) | - | 10SM |
| | KGRB 050953Z AUTO 21004KT 10SM FEW035 M07/M11 A3006 RMK AO2 SLP192 T10671106 |
| 03:09 CST |  Mostly Cloudy | -7°C / 19°F | -10°C / 14°F | 79% | 1018 mb (30.06 in) | SW 9 kph (SW 5.8 mph) | - | 9SM |
| | KGRB 050909Z AUTO 22005KT 9SM SCT031 BKN036 BKN065 M07/M10 A3006 RMK AO2 |
| 03:00 CST |  Mostly Cloudy | -7°C / 19°F | -11°C / 12°F | 73% | 1018 mb (30.06 in) | SW 17 kph (SW 10.4 mph) | - | 9SM |
| | KGRB 050900Z AUTO 22009KT 9SM BKN029 BKN070 M07/M11 A3006 RMK AO2 |
| 02:53 CST |  Overcast | -7°C / 19°F | -10°C / 14°F | 79% | 1018 mb (30.06 in) | SW 13 kph (SW 8.1 mph) | 0.00 mm (0.00 in) | 9SM |
| | KGRB 050853Z AUTO 22007KT 9SM BKN031 OVC070 M07/M10 A3006 RMK AO2 SNE08 SLP192 P0000 60000 T10671100 51000 |
| 02:49 CST |  Overcast | -7°C / 19°F | -10°C / 14°F | 79% | 1018 mb (30.06 in) | SW 15 kph (SW 9.2 mph) | 0.00 mm (0.00 in) | 8SM |
| | KGRB 050849Z AUTO 21008KT 8SM BKN031 OVC070 M07/M10 A3006 RMK AO2 SNE08 P0000 |
| 01:53 CST |  Overcast Light Snow | -7°C / 19°F | -11°C / 12°F | 73% | 1018 mb (30.06 in) | SW 9 kph (SW 5.8 mph) | 0.00 mm (0.00 in) | 5SM |
| | KGRB 050753Z AUTO 22005KT 5SM -SN BKN027 OVC043 M07/M11 A3007 RMK AO2 SNB0659E19B49 SLP194 P0000 T10671106 |
| 01:23 CST |  Overcast | -7°C / 19°F | -11°C / 12°F | 73% | 1018 mb (30.06 in) | SW 13 kph (SW 8.1 mph) | 0.00 mm (0.00 in) | 7SM |
| | KGRB 050723Z AUTO 23007KT 7SM SCT029 OVC041 M07/M11 A3007 RMK AO2 SNB0659E19 P0000 |
| 01:08 CST |  Overcast Light Snow | -7°C / 19°F | -11°C / 12°F | 73% | 1018 mb (30.06 in) | SSW 17 kph (SSW 10.4 mph) | 0.00 mm (0.00 in) | 5SM |
| | KGRB 050708Z AUTO 24009G16KT 5SM -SN BKN029 OVC039 M07/M11 A3007 RMK AO2 SNB0659 P0000 |
| 00:53 CST |  Overcast | -7°C / 19°F | -12°C / 10°F | 68% | 1018 mb (30.06 in) | SW 17 kph (SW 10.4 mph) | - | 9SM |
| | KGRB 050653Z AUTO 23009KT 9SM BKN031 OVC042 M07/M12 A3006 RMK AO2 SLP192 T10671122 |