| 09:52 CST |  Clear | -9°C / 16°F | -18°C / 0°F | 48% | 1027 mb (30.33 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KUGN 151552Z 31011G17KT 10SM CLR M09/M18 A3034 RMK AO2 SLP294 T10891183 |
| 08:52 CST |  Clear | -9°C / 16°F | -15°C / 5°F | 62% | 1027 mb (30.33 in) | WNW 17 kph (WNW 10.4 mph) | - | 10SM |
| | KUGN 151452Z 29009G15KT 10SM CLR M09/M15 A3032 RMK AO2 SLP285 T10941150 51038 |
| 07:52 CST |  Partly Cloudy | -8°C / 18°F | -12°C / 10°F | 73% | 1025 mb (30.27 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KUGN 151352Z 30011G19KT 10SM FEW015 M08/M12 A3028 RMK AO2 SLP273 T10831122 |
| 07:45 CST |  Partly Cloudy | -8°C / 18°F | -12°C / 10°F | 73% | 1025 mb (30.27 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KUGN 151345Z 30011G18KT 10SM SCT026 M08/M12 A3028 RMK AO2 |
| 06:52 CST |  Overcast | -6°C / 21°F | -9°C / 16°F | 80% | 1024 mb (30.24 in) | W 13 kph (W 8.1 mph) | - | 10SM |
| | KUGN 151252Z 28007G14KT 10SM SCT015 OVC026 M06/M09 A3024 RMK AO2 SLP259 T10611094 |
| 05:52 CST |  Overcast | -6°C / 21°F | -9°C / 16°F | 80% | 1023 mb (30.21 in) | WNW 20 kph (WNW 12.7 mph) | - | 10SM |
| | KUGN 151152Z AUTO 29011G19KT 10SM FEW014 OVC028 M06/M09 A3020 RMK AO2 SLP243 70002 T10561089 11033 21056 51014 |
| 05:48 CST |  Overcast | -6°C / 21°F | -9°C / 16°F | 80% | 1023 mb (30.21 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KUGN 151148Z AUTO 30009G19KT 10SM FEW014 OVC028 M06/M09 A3020 RMK AO2 |
| 04:52 CST |  Overcast | -5°C / 23°F | -9°C / 16°F | 74% | 1022 mb (30.18 in) | WNW 13 kph (WNW 8.1 mph) | - | 10SM |
| | KUGN 151052Z AUTO 29007G17KT 10SM SCT032 OVC042 M05/M09 A3018 RMK AO2 SLP235 T10501089 |
| 03:52 CST |  Overcast | -4°C / 25°F | -8°C / 18°F | 74% | 1021 mb (30.15 in) | WNW 17 kph (WNW 10.4 mph) | - | 10SM |
| | KUGN 150952Z AUTO 29009KT 10SM OVC042 M04/M08 A3016 RMK AO2 SLP228 T10441078 |
| 03:14 CST |  Overcast | -4°C / 25°F | -8°C / 18°F | 74% | 1021 mb (30.15 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KUGN 150914Z AUTO 31009G14KT 10SM SCT020 OVC042 M04/M08 A3015 RMK AO2 |
| 03:04 CST |  Overcast | -4°C / 25°F | -7°C / 19°F | 80% | 1021 mb (30.15 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KUGN 150904Z AUTO 30008G17KT 10SM BKN020 OVC042 M04/M07 A3015 RMK AO2 |
| 02:52 CST |  Overcast | -4°C / 25°F | -7°C / 19°F | 80% | 1021 mb (30.15 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KUGN 150852Z AUTO 30008KT 270V330 10SM SCT022 SCT034 OVC042 M04/M07 A3015 RMK AO2 SLP221 T10391072 51018 |
| 02:27 CST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1020 mb (30.12 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KUGN 150827Z AUTO 31009KT 10SM FEW016 BKN030 OVC038 M03/M07 A3013 RMK AO2 |
| 01:52 CST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1020 mb (30.12 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KUGN 150752Z AUTO 30007G14KT 10SM OVC028 M03/M07 A3012 RMK AO2 SLP212 T10331067 |
| 01:49 CST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1020 mb (30.12 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KUGN 150749Z AUTO 30007G16KT 10SM OVC028 M03/M07 A3012 RMK AO2 |
| 01:08 CST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1019 mb (30.09 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KUGN 150708Z AUTO 30009G16KT 10SM SCT028 OVC042 M03/M07 A3009 RMK AO2 |
| 00:52 CST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1019 mb (30.09 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KUGN 150652Z AUTO 30009G17KT 10SM FEW015 BKN028 OVC042 M03/M07 A3009 RMK AO2 SLP202 T10331067 |
| 00:35 CST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1019 mb (30.09 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KUGN 150635Z AUTO 30008G17KT 10SM SCT013 OVC028 M03/M07 A3009 RMK AO2 |