| 17:52 CST |  Overcast | -3°C / 27°F | -8°C / 18°F | 69% | 1015 mb (29.97 in) | W 13 kph (W 8.1 mph) | - | 10SM |
| | KCNU 262352Z AUTO 28007KT 10SM BKN034 OVC042 M03/M08 A2997 RMK AO2 SLP160 T10281083 11022 21033 51014 |
| 16:52 CST |  Overcast | -3°C / 27°F | -8°C / 18°F | 69% | 1015 mb (29.97 in) | W 19 kph (W 11.5 mph) | - | 10SM |
| | KCNU 262252Z AUTO 28010KT 10SM OVC030 M03/M08 A2996 RMK AO2 SLP156 T10281083 |
| 15:52 CST |  Overcast | -2°C / 28°F | -8°C / 18°F | 64% | 1014 mb (29.94 in) | WNW 22 kph (WNW 13.8 mph) | - | 10SM |
| | KCNU 262152Z AUTO 29012KT 10SM OVC030 M02/M08 A2994 RMK AO2 SLP151 T10221083 |
| 14:52 CST |  Overcast | -2°C / 28°F | -8°C / 18°F | 64% | 1014 mb (29.94 in) | W 26 kph (W 16.1 mph) | - | 10SM |
| | KCNU 262052Z AUTO 27014G19KT 10SM OVC030 M02/M08 A2993 RMK AO2 SLP146 T10221083 53014 |
| 14:39 CST |  Overcast | -2°C / 28°F | -8°C / 18°F | 64% | 1013 mb (29.91 in) | W 20 kph (W 12.7 mph) | - | 10SM |
| | KCNU 262039Z AUTO 27011KT 10SM OVC030 M02/M08 A2992 RMK AO2 |
| 13:52 CST |  Overcast | -2°C / 28°F | -8°C / 18°F | 64% | 1013 mb (29.91 in) | SSW 24 kph (SSW 15 mph) | - | 10SM |
| | KCNU 261952Z AUTO 26013KT 10SM BKN028 OVC034 M02/M08 A2990 RMK AO2 SLP136 T10221083 |
| 13:15 CST |  Overcast | -3°C / 27°F | -9°C / 16°F | 64% | 1013 mb (29.91 in) | W 28 kph (W 17.3 mph) | - | 10SM |
| | KCNU 261915Z AUTO 28015KT 10SM OVC030 M03/M09 A2990 RMK AO2 |
| 12:52 CST |  Overcast | -3°C / 27°F | -9°C / 16°F | 64% | 1012 mb (29.88 in) | W 24 kph (W 15 mph) | - | 10SM |
| | KCNU 261852Z AUTO 28013KT 10SM OVC028 M03/M09 A2989 RMK AO2 SLP133 T10281089 |
| 11:52 CST |  Mostly Cloudy | -3°C / 27°F | -9°C / 16°F | 64% | 1012 mb (29.88 in) | WNW 26 kph (WNW 16.1 mph) | - | 10SM |
| | KCNU 261752Z AUTO 29014KT 10SM BKN024 M03/M09 A2989 RMK AO2 SLP131 60000 T10331089 11028 21061 50011 |
| 11:47 CST |  Mostly Cloudy | -3°C / 27°F | -9°C / 16°F | 64% | 1012 mb (29.88 in) | WNW 28 kph (WNW 17.3 mph) | - | 10SM |
| | KCNU 261747Z AUTO 29015KT 10SM BKN024 M03/M09 A2989 RMK AO2 |
| 10:52 CST |  Partly Cloudy | -3°C / 27°F | -9°C / 16°F | 64% | 1012 mb (29.88 in) | W 30 kph (W 18.4 mph) | - | 10SM |
| | KCNU 261652Z AUTO 28016KT 10SM SCT050 SCT070 M03/M09 A2988 RMK AO2 SLP128 T10331089 |
| 09:52 CST |  Mostly Cloudy | -4°C / 25°F | -9°C / 16°F | 69% | 1011 mb (29.85 in) | WNW 30 kph (WNW 18.4 mph) | - | 10SM |
| | KCNU 261552Z AUTO 29016G24KT 10SM SCT026 BKN038 M04/M09 A2985 RMK AO2 SLP120 T10441094 |
| 09:38 CST |  Overcast | -5°C / 23°F | -9°C / 16°F | 74% | 1011 mb (29.85 in) | W 32 kph (W 19.6 mph) | - | 9SM |
| | KCNU 261538Z AUTO 28017KT 9SM BKN028 OVC033 M05/M09 A2986 RMK AO2 |
| 08:52 CST |  Overcast | -5°C / 23°F | -10°C / 14°F | 68% | 1010 mb (29.83 in) | W 30 kph (W 18.4 mph) | - | 10SM |
| | KCNU 261452Z AUTO 28016G22KT 10SM FEW041 OVC095 M05/M10 A2984 RMK AO2 SLP114 60000 T10501100 53022 |
| 07:52 CST |  Overcast | -6°C / 21°F | -10°C / 14°F | 74% | 1009 mb (29.8 in) | W 30 kph (W 18.4 mph) | 0.00 mm (0.00 in) | 10SM |
| | KCNU 261352Z AUTO 27016G21KT 10SM FEW040 BKN080 OVC110 M06/M10 A2981 RMK AO2 SNB35E43 SLP106 P0000 T10561100 |
| 06:52 CST |  Overcast | -5°C / 23°F | -11°C / 12°F | 63% | 1009 mb (29.8 in) | W 24 kph (W 15 mph) | - | 10SM |
| | KCNU 261252Z AUTO 27013KT 10SM OVC070 M05/M11 A2979 RMK AO2 SLP099 T10501106 |
| 05:52 CST |  Overcast | -6°C / 21°F | -11°C / 12°F | 68% | 1008 mb (29.77 in) | SSW 20 kph (SSW 12.7 mph) | - | 10SM |
| | KCNU 261152Z AUTO 25011KT 10SM OVC075 M06/M11 A2977 RMK AO2 SLP091 60000 T10611111 11056 21072 53006 |
| 04:52 CST |  Mostly Cloudy | -7°C / 19°F | -12°C / 10°F | 68% | 1008 mb (29.77 in) | SSW 17 kph (SSW 10.4 mph) | - | 10SM |
| | KCNU 261052Z AUTO 24009KT 10SM SCT070 BKN090 M07/M12 A2976 RMK AO2 SLP088 T10671122 |
| 03:52 CST |  Clear | -7°C / 19°F | -12°C / 10°F | 68% | 1007 mb (29.74 in) | SSW 20 kph (SSW 12.7 mph) | - | 10SM |
| | KCNU 260952Z AUTO 24011KT 10SM CLR M07/M12 A2975 RMK AO2 SLP086 T10671122 |
| 02:52 CST |  Clear | -7°C / 19°F | -12°C / 10°F | 68% | 1007 mb (29.74 in) | SSW 22 kph (SSW 13.8 mph) | - | 10SM |
| | KCNU 260852Z AUTO 25012KT 10SM CLR M07/M12 A2975 RMK AO2 SLP086 60000 T10671117 50007 |
| 01:52 CST |  Partly Cloudy | -6°C / 21°F | -12°C / 10°F | 63% | 1007 mb (29.74 in) | SSW 24 kph (SSW 15 mph) | 0.00 mm (0.00 in) | 10SM |
| | KCNU 260752Z AUTO 25013G18KT 10SM FEW030 M06/M12 A2975 RMK AO2 SNB03E21 SLP086 P0000 T10611117 |
| 00:52 CST |  Overcast | -6°C / 21°F | -11°C / 12°F | 68% | 1007 mb (29.74 in) | SSW 17 kph (SSW 10.4 mph) | - | 10SM |
| | KCNU 260652Z AUTO 26009KT 10SM OVC035 M06/M11 A2974 RMK AO2 SLP083 T10561111 |