| 06:45 CST |  Overcast | -1°C / 30°F | -6°C / 21°F | 69% | 1009 mb (29.8 in) | N 11 kph (N 6.9 mph) | - | 10SM |
| | KATW 031245Z 35006KT 10SM OVC030 M01/M06 A2979 |
| 05:45 CST |  Overcast | -1°C / 30°F | -5°C / 23°F | 75% | 1008 mb (29.77 in) | N 17 kph (N 10.4 mph) | - | 10SM |
| | KATW 031145Z 35009KT 10SM OVC028 M01/M05 A2977 |
| 05:15 CST |  Overcast | -1°C / 30°F | -5°C / 23°F | 75% | 1008 mb (29.77 in) | NNW 17 kph (NNW 10.4 mph) | - | 10SM |
| | KATW 031115Z 33009KT 10SM OVC030 M01/M05 A2976 |
| 04:15 CST |  Overcast | 0°C / 32°F | -6°C / 21°F | 64% | 1007 mb (29.74 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KATW 031015Z AUTO 34005KT 10SM OVC028 00/M06 A2975 RMK AO2 |
| 03:55 CST |  Overcast | 0°C / 32°F | -6°C / 21°F | 64% | 1007 mb (29.74 in) | N 17 kph (N 10.4 mph) | - | 10SM |
| | KATW 030955Z AUTO 36009KT 10SM OVC030 00/M06 A2974 RMK AO2 |
| 03:35 CST |  Overcast | 0°C / 32°F | -6°C / 21°F | 64% | 1007 mb (29.74 in) | N 17 kph (N 10.4 mph) | - | 10SM |
| | KATW 030935Z AUTO 35009KT 10SM OVC028 00/M06 A2974 RMK AO2 |
| 03:15 CST |  Overcast | 0°C / 32°F | -5°C / 23°F | 69% | 1007 mb (29.74 in) | N 17 kph (N 10.4 mph) | - | 10SM |
| | KATW 030915Z AUTO 35009KT 10SM BKN026 OVC033 00/M05 A2974 RMK AO2 |
| 02:55 CST |  Overcast | 0°C / 32°F | -5°C / 23°F | 69% | 1007 mb (29.74 in) | N 19 kph (N 11.5 mph) | - | 10SM |
| | KATW 030855Z AUTO 36010KT 10SM OVC032 00/M05 A2973 RMK AO2 |
| 02:35 CST |  Overcast | 0°C / 32°F | -5°C / 23°F | 69% | 1007 mb (29.74 in) | N 24 kph (N 15 mph) | - | 10SM |
| | KATW 030835Z AUTO 36013G16KT 10SM OVC026 00/M05 A2973 RMK AO2 |
| 02:15 CST |  Overcast | 0°C / 32°F | -5°C / 23°F | 69% | 1006 mb (29.71 in) | N 20 kph (N 12.7 mph) | - | 10SM |
| | KATW 030815Z AUTO 35011KT 10SM OVC026 00/M05 A2972 RMK AO2 |
| 01:55 CST |  Overcast | 0°C / 32°F | -5°C / 23°F | 69% | 1006 mb (29.71 in) | N 19 kph (N 11.5 mph) | - | 10SM |
| | KATW 030755Z AUTO 35010G13KT 10SM OVC028 00/M05 A2972 RMK AO2 |
| 01:35 CST |  Overcast | 0°C / 32°F | -4°C / 25°F | 75% | 1006 mb (29.71 in) | N 19 kph (N 11.5 mph) | - | 10SM |
| | KATW 030735Z AUTO 35010KT 10SM OVC026 00/M04 A2972 RMK AO2 |
| 01:15 CST |  Overcast | 0°C / 32°F | -4°C / 25°F | 75% | 1006 mb (29.71 in) | N 26 kph (N 16.1 mph) | - | 10SM |
| | KATW 030715Z AUTO 35014KT 10SM OVC026 00/M04 A2971 RMK AO2 |
| 00:55 CST |  Overcast | 0°C / 32°F | -4°C / 25°F | 75% | 1006 mb (29.71 in) | N 28 kph (N 17.3 mph) | - | 10SM |
| | KATW 030655Z AUTO 01015KT 10SM OVC026 00/M04 A2971 RMK AO2 |
| 00:35 CST |  Overcast | 0°C / 32°F | -4°C / 25°F | 75% | 1006 mb (29.71 in) | N 22 kph (N 13.8 mph) | - | 10SM |
| | KATW 030635Z AUTO 36012G15KT 10SM OVC026 00/M04 A2971 RMK AO2 |
| 00:15 CST |  Overcast | 1°C / 34°F | -4°C / 25°F | 70% | 1006 mb (29.71 in) | N 26 kph (N 16.1 mph) | - | 10SM |
| | KATW 030615Z AUTO 36014KT 10SM OVC024 01/M04 A2971 RMK AO2 |