| 09:52 CST |  Clear | 3°C / 37°F | -5°C / 23°F | 56% | 1017 mb (30.03 in) | Variable 7 kph (Variable 4.6 mph) | - | 10SM |
| | KUGN 301552Z VRB04KT 10SM CLR 03/M05 A3002 RMK AO2 SLP174 T00331050 |
| 08:52 CST |  Clear | 2°C / 36°F | -4°C / 25°F | 65% | 1017 mb (30.03 in) | Variable 6 kph (Variable 3.5 mph) | - | 10SM |
| | KUGN 301452Z VRB03KT 10SM CLR 02/M04 A3002 RMK AO2 SLP174 T00171039 51013 |
| 07:52 CST |  Clear | -1°C / 30°F | -5°C / 23°F | 75% | 1016 mb (30 in) | Calm | - | 10SM |
| | KUGN 301352Z 00000KT 10SM CLR M01/M05 A3001 RMK AO2 SLP172 T10061050 |
| 06:52 CST |  Clear | -2°C / 28°F | -6°C / 21°F | 74% | 1016 mb (30 in) | W 7 kph (W 4.6 mph) | - | 10SM |
| | KUGN 301252Z 28004KT 10SM CLR M02/M06 A3000 RMK AO2 SLP170 T10171056 |
| 05:52 CST |  Clear | -2°C / 28°F | -5°C / 23°F | 80% | 1015 mb (29.97 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KUGN 301152Z AUTO 30003KT 10SM CLR M02/M05 A2998 RMK AO2 SLP162 70003 T10171050 10022 21017 50003 |
| 04:52 CST |  Clear | -1°C / 30°F | -5°C / 23°F | 75% | 1015 mb (29.97 in) | WNW 7 kph (WNW 4.6 mph) | - | 10SM |
| | KUGN 301052Z AUTO 29004KT 10SM CLR M01/M05 A2998 RMK AO2 SLP164 T10111050 |
| 03:52 CST |  Clear | -1°C / 30°F | -4°C / 25°F | 80% | 1015 mb (29.97 in) | WNW 7 kph (WNW 4.6 mph) | - | 10SM |
| | KUGN 300952Z AUTO 29004KT 10SM CLR M01/M04 A2998 RMK AO2 SLP162 T10061044 |
| 02:52 CST |  Clear | 1°C / 34°F | -4°C / 25°F | 70% | 1015 mb (29.97 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KUGN 300852Z AUTO 30004KT 10SM CLR 01/M04 A2997 RMK AO2 SLP157 T00061044 53009 |
| 01:52 CST |  Overcast | 2°C / 36°F | -3°C / 27°F | 70% | 1015 mb (29.97 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KUGN 300752Z AUTO 31005KT 10SM OVC036 02/M03 A2996 RMK AO2 SLP154 T00221033 |
| 00:52 CST |  Overcast | 2°C / 36°F | -3°C / 27°F | 70% | 1014 mb (29.94 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KUGN 300652Z AUTO 30007KT 10SM OVC040 02/M03 A2994 RMK AO2 SLP148 T00221033 |