| 03:13 CST |  Overcast Rain | 4°C / 39°F | 3°C / 37°F | 93% | 1006 mb (29.71 in) | NNW 13 kph (NNW 8.1 mph) | 0.51 mm (0.02 in) | 7SM |
| | KDUC 020913Z AUTO 34007KT 7SM RA SCT009 BKN021 OVC045 04/03 A2970 RMK AO2 P0002 |
| 02:53 CST |  Mostly Cloudy Light Rain | 4°C / 39°F | 3°C / 37°F | 93% | 1005 mb (29.68 in) | N 13 kph (N 8.1 mph) | 0.76 mm (0.03 in) | 10SM |
| | KDUC 020853Z AUTO 36007KT 10SM -RA SCT030 BKN045 04/03 A2969 RMK AO2 P0003 |
| 02:33 CST |  Mostly Cloudy Light Rain | 4°C / 39°F | 4°C / 39°F | 100% | 1005 mb (29.68 in) | N 15 kph (N 9.2 mph) | 0.51 mm (0.02 in) | 10SM |
| | KDUC 020833Z AUTO 36008KT 10SM -RA SCT015 SCT020 BKN045 04/04 A2969 RMK AO2 P0002 |
| 02:13 CST |  Mostly Cloudy Light Rain | 4°C / 39°F | 4°C / 39°F | 100% | 1005 mb (29.68 in) | N 9 kph (N 5.8 mph) | 0.25 mm (0.01 in) | 10SM |
| | KDUC 020813Z AUTO 01005KT 10SM -RA SCT022 SCT028 BKN042 04/04 A2969 RMK AO2 P0001 |
| 01:53 CST |  Clear Light Rain | 4°C / 39°F | 4°C / 39°F | 100% | 1006 mb (29.71 in) | N 9 kph (N 5.8 mph) | 1.27 mm (0.05 in) | 7SM |
| | KDUC 020753Z AUTO 36005KT 7SM -RA CLR 04/04 A2970 RMK AO2 P0005 |
| 01:33 CST |  Partly Cloudy Rain | 4°C / 39°F | 4°C / 39°F | 100% | 1006 mb (29.71 in) | Calm | 1.02 mm (0.04 in) | 5SM |
| | KDUC 020733Z AUTO 00000KT 5SM RA SCT013 SCT019 SCT024 04/04 A2970 RMK AO2 P0004 |
| 01:13 CST |  Overcast Rain | 4°C / 39°F | 4°C / 39°F | 100% | 1006 mb (29.71 in) | Calm | 0.25 mm (0.01 in) | 10SM |
| | KDUC 020713Z AUTO 00000KT 10SM RA SCT013 SCT018 OVC039 04/04 A2971 RMK AO2 P0001 |
| 00:53 CST |  Overcast | 4°C / 39°F | 4°C / 39°F | 100% | 1006 mb (29.71 in) | Calm | - | 10SM |
| | KDUC 020653Z AUTO 00000KT 10SM OVC037 04/04 A2972 RMK AO2 |
| 00:33 CST |  Overcast | 4°C / 39°F | 4°C / 39°F | 100% | 1005 mb (29.68 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KDUC 020633Z AUTO 01004KT 10SM SCT026 OVC039 04/04 A2969 RMK AO2 |
| 00:13 CST |  Overcast Drizzle | 4°C / 39°F | 4°C / 39°F | 100% | 1005 mb (29.68 in) | NNE 17 kph (NNE 10.4 mph) | - | 10SM |
| | KDUC 020613Z AUTO 02009KT 10SM DZ BKN026 OVC041 04/04 A2967 RMK AO2 |