| 05:19 CST |  Overcast Light Snow | -9°C / 16°F | -12°C / 10°F | 79% | 1003 mb (29.62 in) | WNW 43 kph (WNW 26.5 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KCNU 251119Z AUTO 29023G27KT 1 1/4SM -SN BKN015 BKN020 OVC027 M09/M12 A2961 RMK AO2 PK WND 30031/1106 P0000 $ |
| 05:05 CST |  Overcast Light Snow | -9°C / 16°F | -12°C / 10°F | 79% | 1002 mb (29.59 in) | WNW 39 kph (WNW 24.2 mph) | 0.00 mm (0.00 in) | 1SM |
| | KCNU 251105Z AUTO 29021G29KT 1SM -SN BKN013 BKN020 OVC027 M09/M12 A2960 RMK AO2 PK WND 29029/1059 P0000 $ |
| 04:58 CST |  Overcast Light Snow | -9°C / 16°F | -12°C / 10°F | 79% | 1002 mb (29.59 in) | NW 37 kph (NW 23 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KCNU 251058Z AUTO 30020G33KT 1 1/4SM -SN BKN015 BKN020 OVC027 M09/M12 A2960 RMK AO2 PK WND 29029/1058 P0000 $ |
| 04:51 CST |  Overcast Light Snow | -9°C / 16°F | -12°C / 10°F | 79% | 1002 mb (29.59 in) | WNW 43 kph (WNW 26.5 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KCNU 251051Z AUTO 29023G33KT 1 1/2SM -SN BKN013 OVC027 M09/M12 A2960 RMK AO2 PK WND 31038/1000 SLP035 P0000 T10891117 $ |
| 04:50 CST |  Overcast Light Snow | -9°C / 16°F | -12°C / 10°F | 79% | 1002 mb (29.59 in) | NW 35 kph (NW 21.9 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KCNU 251050Z AUTO 30019G28KT 1 1/2SM -SN BKN013 OVC027 M09/M12 A2960 RMK AO2 PK WND 31038/1000 P0000 $ |
| 04:22 CST |  Overcast Light Snow | -9°C / 16°F | -12°C / 10°F | 79% | 1002 mb (29.59 in) | NW 43 kph (NW 26.5 mph) | 0.00 mm (0.00 in) | 1SM |
| | KCNU 251022Z AUTO 30023G30KT 1SM -SN BKN021 BKN029 OVC040 M09/M12 A2959 RMK AO2 PK WND 31038/1000 P0000 $ |
| 03:52 CST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1001 mb (29.56 in) | NW 37 kph (NW 23 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KCNU 250952Z AUTO 30020G31KT 1 1/2SM -SN BKN029 BKN043 OVC070 M08/M11 A2957 RMK AO2 PK WND 30032/0938 SLP026 P0000 T10831111 $ |
| 03:50 CST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1001 mb (29.56 in) | NW 46 kph (NW 28.8 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KCNU 250950Z AUTO 30025G31KT 1 1/2SM -SN BKN029 BKN043 OVC070 M08/M11 A2957 RMK AO2 PK WND 30032/0938 P0000 $ |
| 03:42 CST |  Overcast Light Snow | -8°C / 18°F | -12°C / 10°F | 73% | 1001 mb (29.56 in) | NW 41 kph (NW 25.3 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KCNU 250942Z AUTO 30022G32KT 1 1/4SM -SN FEW019 BKN043 OVC050 M08/M12 A2957 RMK AO2 PK WND 30032/0938 P0000 $ |
| 03:09 CST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1001 mb (29.56 in) | NW 33 kph (NW 20.7 mph) | 0.00 mm (0.00 in) | 2SM |
| | KCNU 250909Z AUTO 30018G28KT 2SM -SN FEW017 SCT023 OVC042 M08/M11 A2955 RMK AO2 PK WND 32032/0856 P0000 $ |
| 02:52 CST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1001 mb (29.56 in) | NW 33 kph (NW 20.7 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KCNU 250852Z AUTO 31018G26KT 1 1/2SM -SN BKN017 BKN028 OVC038 M08/M11 A2955 RMK AO2 PK WND 31035/0804 UPB32E38SNB01E32B38 SLP016 P0000 60001 T10831111 53014 $ |
| 02:30 CST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1000 mb (29.53 in) | NW 35 kph (NW 21.9 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KCNU 250830Z AUTO 31019G27KT 1 1/4SM -SN BR SCT009 BKN018 OVC028 M08/M11 A2954 RMK AO2 PK WND 31035/0804 SNB01 P0000 $ |
| 02:23 CST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1000 mb (29.53 in) | NW 33 kph (NW 20.7 mph) | 0.00 mm (0.00 in) | 1SM |
| | KCNU 250823Z AUTO 31018G28KT 1SM -SN SCT007 OVC018 M08/M11 A2953 RMK AO2 PK WND 31035/0804 SNB01 P0000 $ |
| 01:52 CST |  Overcast Fog And Mist | -8°C / 18°F | -11°C / 12°F | 79% | 1000 mb (29.53 in) | NW 46 kph (NW 28.8 mph) | - | 3/4SM |
| | KCNU 250752Z AUTO 32025G34KT 3/4SM BR BKN006 OVC018 M08/M11 A2952 RMK AO2 PK WND 31035/0723 SLP008 T10831106 PWINO FZRANO $ |
| 00:52 CST |  Obscured Fog And Mist | -8°C / 18°F | -11°C / 12°F | 79% | 999 mb (29.5 in) | NW 39 kph (NW 24.2 mph) | 0.25 mm (0.01 in) | 3/4SM |
| | KCNU 250652Z AUTO 31021G34KT 3/4SM BR VV006 M08/M11 A2950 RMK AO2 PK WND 32037/0637 SLP000 P0001 T10831106 PWINO FZRANO $ |
| 00:18 CST |  Obscured Hazy | -8°C / 18°F | -11°C / 12°F | 79% | 999 mb (29.5 in) | NW 43 kph (NW 26.5 mph) | - | 1/2SM |
| | KCNU 250618Z AUTO 32023G36KT 1/2SM HZ VV005 M08/M11 A2950 RMK AO2 PK WND 31036/0613 PWINO FZRANO $ |
| 00:09 CST |  Obscured Fog And Mist | -8°C / 18°F | -10°C / 14°F | 86% | 999 mb (29.5 in) | NW 46 kph (NW 28.8 mph) | - | 3/4SM |
| | KCNU 250609Z AUTO 32025G32KT 3/4SM BR VV004 M08/M10 A2950 RMK AO2 PK WND 32034/0558 PWINO FZRANO $ |