| 05:31 CST |  Clear | -3°C / 27°F | -4°C / 25°F | 93% | 1009 mb (29.8 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | KVWU 281131Z AUTO 34003KT 10SM CLR M03/M04 A2979 RMK AO2 |
| 05:11 CST |  Clear | -4°C / 25°F | -4°C / 25°F | 100% | 1008 mb (29.77 in) | Calm | - | 10SM |
| | KVWU 281111Z AUTO 00000KT 10SM CLR M04/M04 A2978 RMK AO2 |
| 04:51 CST |  Clear | -3°C / 27°F | -4°C / 25°F | 93% | 1008 mb (29.77 in) | Calm | - | 10SM |
| | KVWU 281051Z AUTO 00000KT 10SM CLR M03/M04 A2977 RMK AO2 |
| 04:31 CST |  Partly Cloudy | -3°C / 27°F | -4°C / 25°F | 93% | 1008 mb (29.77 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KVWU 281031Z AUTO 36003KT 10SM SCT027 M03/M04 A2977 RMK AO2 |
| 04:11 CST |  Partly Cloudy | -2°C / 28°F | -4°C / 25°F | 86% | 1008 mb (29.77 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KVWU 281011Z AUTO 35004KT 10SM SCT027 M02/M04 A2978 RMK AO2 |
| 03:51 CST |  Clear | -2°C / 28°F | -3°C / 27°F | 93% | 1008 mb (29.77 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KVWU 280951Z AUTO 35003KT 10SM CLR M02/M03 A2977 RMK AO2 |
| 03:31 CST |  Clear | -2°C / 28°F | -3°C / 27°F | 93% | 1008 mb (29.77 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KVWU 280931Z AUTO 35004KT 10SM CLR M02/M03 A2976 RMK AO2 |
| 03:11 CST |  Clear | -1°C / 30°F | -2°C / 28°F | 93% | 1008 mb (29.77 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KVWU 280911Z AUTO 32003KT 10SM CLR M01/M02 A2976 RMK AO2 |
| 02:51 CST |  Clear | -1°C / 30°F | -1°C / 30°F | 100% | 1007 mb (29.74 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KVWU 280851Z AUTO 32004KT 10SM CLR M01/M01 A2975 RMK AO2 |
| 02:31 CST |  Clear | 0°C / 32°F | -1°C / 30°F | 93% | 1007 mb (29.74 in) | WNW 7 kph (WNW 4.6 mph) | - | 10SM |
| | KVWU 280831Z AUTO 29004KT 10SM CLR 00/M01 A2975 RMK AO2 |
| 02:11 CST |  Clear | -1°C / 30°F | -2°C / 28°F | 93% | 1007 mb (29.74 in) | WNW 6 kph (WNW 3.5 mph) | - | 10SM |
| | KVWU 280811Z AUTO 29003KT 10SM CLR M01/M02 A2974 RMK AO2 |
| 01:51 CST |  Clear | -3°C / 27°F | -4°C / 25°F | 93% | 1007 mb (29.74 in) | Calm | - | 10SM |
| | KVWU 280751Z AUTO 00000KT 10SM CLR M03/M04 A2974 RMK AO2 |
| 01:31 CST |  Clear | -3°C / 27°F | -4°C / 25°F | 93% | 1007 mb (29.74 in) | Calm | - | 10SM |
| | KVWU 280731Z AUTO 00000KT 10SM CLR M03/M04 A2974 RMK AO2 |
| 01:11 CST |  Clear | -3°C / 27°F | -4°C / 25°F | 93% | 1007 mb (29.74 in) | Calm | - | 10SM |
| | KVWU 280711Z AUTO 00000KT 10SM CLR M03/M04 A2973 RMK AO2 |
| 00:51 CST |  Clear | -3°C / 27°F | -4°C / 25°F | 93% | 1007 mb (29.74 in) | Calm | - | 10SM |
| | KVWU 280651Z AUTO 00000KT 10SM CLR M03/M04 A2973 RMK AO2 |
| 00:31 CST |  Clear | -3°C / 27°F | -4°C / 25°F | 93% | 1007 mb (29.74 in) | Calm | - | 10SM |
| | KVWU 280631Z AUTO 00000KT 10SM CLR M03/M04 A2973 RMK AO2 |
| 00:11 CST |  Clear | -3°C / 27°F | -4°C / 25°F | 93% | 1006 mb (29.71 in) | Calm | - | 10SM |
| | KVWU 280611Z AUTO 00000KT 10SM CLR M03/M04 A2972 RMK AO2 |