| 05:45 CST |  Overcast | -17°C / 1°F | -21°C / -6°F | 71% | 1023 mb (30.21 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KCWA 151145Z 30010KT 10SM SCT060 BKN080 OVC100 M17/M21 A3022 |
| 04:34 CST |  Mostly Cloudy | -17°C / 1°F | -19°C / -2°F | 85% | 1022 mb (30.18 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KCWA 151034Z AUTO 30009G15KT 10SM SCT090 BKN120 M17/M19 A3018 RMK AO2 T11661194 |
| 04:14 CST |  Mostly Cloudy | -16°C / 3°F | -18°C / 0°F | 85% | 1022 mb (30.18 in) | WNW 20 kph (WNW 12.7 mph) | - | 10SM |
| | KCWA 151014Z AUTO 29011KT 10SM SCT075 SCT090 BKN110 M16/M18 A3018 RMK AO2 T11571182 |
| 03:54 CST |  Partly Cloudy | -15°C / 5°F | -17°C / 1°F | 85% | 1022 mb (30.18 in) | W 20 kph (W 12.7 mph) | - | 10SM |
| | KCWA 150954Z AUTO 27011KT 10SM SCT036 SCT120 M15/M17 A3018 RMK AO2 T11501171 |
| 03:34 CST |  Mostly Cloudy | -14°C / 7°F | -16°C / 3°F | 85% | 1021 mb (30.15 in) | WNW 20 kph (WNW 12.7 mph) | - | 10SM |
| | KCWA 150934Z AUTO 29011KT 10SM BKN036 M14/M16 A3016 RMK AO2 T11391161 |
| 03:14 CST |  Overcast | -13°C / 9°F | -15°C / 5°F | 85% | 1022 mb (30.18 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KCWA 150914Z AUTO 28008KT 10SM OVC034 M13/M15 A3017 RMK AO2 T11301150 |
| 02:54 CST |  Overcast | -13°C / 9°F | -14°C / 7°F | 92% | 1021 mb (30.15 in) | W 19 kph (W 11.5 mph) | - | 10SM |
| | KCWA 150854Z AUTO 28010KT 10SM SCT011 OVC034 M13/M14 A3016 RMK AO2 T11261145 |
| 02:34 CST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1021 mb (30.15 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KCWA 150834Z AUTO 30010G15KT 10SM SCT010 OVC034 M12/M14 A3015 RMK AO2 T11251142 |
| 02:14 CST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1021 mb (30.15 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KCWA 150814Z AUTO 30010G15KT 10SM SCT010 OVC034 M12/M14 A3014 RMK AO2 T11221140 |
| 01:54 CST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1020 mb (30.12 in) | W 17 kph (W 10.4 mph) | - | 10SM |
| | KCWA 150754Z AUTO 28009KT 10SM SCT010 OVC034 M12/M14 A3013 RMK AO2 T11201138 |
| 01:34 CST |  Overcast | -12°C / 10°F | -13°C / 9°F | 92% | 1020 mb (30.12 in) | W 17 kph (W 10.4 mph) | - | 10SM |
| | KCWA 150734Z AUTO 28009KT 10SM OVC034 M12/M13 A3013 RMK AO2 T11201135 |
| 01:14 CST |  Overcast | -12°C / 10°F | -13°C / 9°F | 92% | 1020 mb (30.12 in) | WNW 11 kph (WNW 6.9 mph) | - | 10SM |
| | KCWA 150714Z AUTO 29006KT 10SM OVC034 M12/M13 A3011 RMK AO2 T11191135 |
| 00:54 CST |  Mostly Cloudy Light Snow | -12°C / 10°F | -13°C / 9°F | 92% | 1019 mb (30.09 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KCWA 150654Z AUTO 30008KT 10SM -SN SCT019 BKN034 M12/M13 A3010 RMK AO2 T11171133 |
| 00:34 CST |  Mostly Cloudy Light Snow | -12°C / 10°F | -13°C / 9°F | 92% | 1019 mb (30.09 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KCWA 150634Z AUTO 30007KT 10SM -SN BKN019 BKN034 M12/M13 A3010 RMK AO2 T11161132 |
| 00:14 CST |  Overcast Light Snow | -11°C / 12°F | -13°C / 9°F | 85% | 1019 mb (30.09 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KCWA 150614Z AUTO 30005KT 10SM -SN OVC019 M11/M13 A3009 RMK AO2 T11111126 |