| 02:53 CST |  Overcast | -5°C / 23°F | -8°C / 18°F | 80% | 1015 mb (29.97 in) | W 19 kph (W 11.5 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGRB 040853Z AUTO 27010KT 10SM BKN033 OVC042 M05/M08 A2998 RMK AO2 SNE0757B28E37 SLP162 P0000 60000 T10501083 53007 |
| 02:11 CST |  Overcast | -5°C / 23°F | -8°C / 18°F | 80% | 1015 mb (29.97 in) | SSW 13 kph (SSW 8.1 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGRB 040811Z AUTO 26007KT 10SM SCT022 OVC033 M05/M08 A2997 RMK AO2 SNE0757 P0000 |
| 02:02 CST |  Overcast | -5°C / 23°F | -8°C / 18°F | 80% | 1015 mb (29.97 in) | SSW 11 kph (SSW 6.9 mph) | 0.00 mm (0.00 in) | 9SM |
| | KGRB 040802Z AUTO 26006KT 9SM FEW025 BKN029 OVC070 M05/M08 A2997 RMK AO2 SNE0757 P0000 |
| 01:53 CST |  Overcast Light Snow | -4°C / 25°F | -8°C / 18°F | 74% | 1015 mb (29.97 in) | W 13 kph (W 8.1 mph) | 0.00 mm (0.00 in) | 9SM |
| | KGRB 040753Z AUTO 27007KT 9SM -SN SCT029 BKN039 OVC070 M04/M08 A2997 RMK AO2 SNB47 SLP160 P0000 T10441078 |
| 00:53 CST |  Overcast | -4°C / 25°F | -9°C / 16°F | 69% | 1015 mb (29.97 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KGRB 040653Z AUTO 27008KT 10SM OVC070 M04/M09 A2996 RMK AO2 SLP155 T10391094 |