| 08:15 CST |  Partly Cloudy | -19°C / -2°F | -23°C / -9°F | 71% | 1008 mb (29.77 in) | S 9 kph (S 5.8 mph) | - | 10SM |
| | KETH 101415Z AUTO 19005KT 10SM SCT030 SCT036 SCT047 M19/M23 A2978 RMK AO2 |
| 07:55 CST |  Partly Cloudy | -21°C / -6°F | -24°C / -11°F | 77% | 1009 mb (29.8 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KETH 101355Z AUTO 20006KT 10SM SCT049 M21/M24 A2979 RMK AO2 |
| 07:35 CST |  Clear | -21°C / -6°F | -24°C / -11°F | 77% | 1009 mb (29.8 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KETH 101335Z AUTO 19004KT 10SM CLR M21/M24 A2979 RMK AO2 |
| 07:15 CST |  Clear | -21°C / -6°F | -24°C / -11°F | 77% | 1008 mb (29.77 in) | S 13 kph (S 8.1 mph) | - | 10SM |
| | KETH 101315Z AUTO 19007KT 10SM CLR M21/M24 A2978 RMK AO2 |
| 06:55 CST |  Clear | -21°C / -6°F | -24°C / -11°F | 77% | 1008 mb (29.77 in) | SW 13 kph (SW 8.1 mph) | - | 10SM |
| | KETH 101255Z AUTO 21007KT 10SM CLR M21/M24 A2978 RMK AO2 |
| 06:35 CST |  Clear | -21°C / -6°F | -25°C / -13°F | 70% | 1008 mb (29.77 in) | SSE 9 kph (SSE 5.8 mph) | - | 10SM |
| | KETH 101235Z AUTO 20005KT 10SM CLR M21/M25 A2978 RMK AO2 |
| 06:15 CST |  Clear | -20°C / -4°F | -24°C / -11°F | 71% | 1008 mb (29.77 in) | SW 13 kph (SW 8.1 mph) | - | 10SM |
| | KETH 101215Z AUTO 21007KT 10SM CLR M20/M24 A2978 RMK AO2 |
| 05:55 CST |  Clear | -20°C / -4°F | -24°C / -11°F | 71% | 1008 mb (29.77 in) | SW 13 kph (SW 8.1 mph) | - | 10SM |
| | KETH 101155Z AUTO 21007KT 10SM CLR M20/M24 A2978 RMK AO2 |
| 05:35 CST |  Clear | -21°C / -6°F | -24°C / -11°F | 77% | 1008 mb (29.77 in) | SW 13 kph (SW 8.1 mph) | - | 10SM |
| | KETH 101135Z AUTO 21007KT 10SM CLR M21/M24 A2978 RMK AO2 |
| 05:14 CST |  Clear | -22°C / -8°F | -25°C / -13°F | 77% | 1009 mb (29.8 in) | SW 11 kph (SW 6.9 mph) | - | 10SM |
| | KETH 101114Z AUTO 21006KT 10SM CLR M22/M25 A2979 RMK AO2 |
| 04:55 CST |  Clear | -22°C / -8°F | -25°C / -13°F | 77% | 1009 mb (29.8 in) | SSE 9 kph (SSE 5.8 mph) | - | 10SM |
| | KETH 101055Z AUTO 20005KT 10SM CLR M22/M25 A2979 RMK AO2 |
| 04:35 CST |  Clear | -21°C / -6°F | -24°C / -11°F | 77% | 1009 mb (29.8 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KETH 101035Z AUTO 22005KT 10SM CLR M21/M24 A2980 RMK AO2 |
| 04:15 CST |  Clear | -21°C / -6°F | -24°C / -11°F | 77% | 1009 mb (29.8 in) | SW 7 kph (SW 4.6 mph) | - | 10SM |
| | KETH 101015Z AUTO 23004KT 10SM CLR M21/M24 A2980 RMK AO2 |
| 03:55 CST |  Clear | -22°C / -8°F | -24°C / -11°F | 84% | 1010 mb (29.83 in) | SSE 9 kph (SSE 5.8 mph) | - | 10SM |
| | KETH 100955Z AUTO 20005KT 10SM CLR M22/M24 A2982 RMK AO2 |
| 03:38 CST |  Clear | -21°C / -6°F | -24°C / -11°F | 77% | 1010 mb (29.83 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KETH 100938Z AUTO 22005KT 10SM CLR M21/M24 A2982 RMK AO2 |