| 06:15 CST |  Overcast | -22°C / -8°F | -26°C / -15°F | 70% | 1005 mb (29.68 in) | W 9 kph (W 5.8 mph) | - | 8SM |
| | KGPZ 101215Z AUTO 28005KT 8SM OVC009 M22/M26 A2968 RMK AO1 |
| 05:55 CST |  Overcast | -22°C / -8°F | -26°C / -15°F | 70% | 1005 mb (29.68 in) | WNW 11 kph (WNW 6.9 mph) | - | 7SM |
| | KGPZ 101155Z AUTO 29006KT 7SM OVC011 M22/M26 A2968 RMK AO1 11190 21220 54000 |
| 05:35 CST |  Overcast | -22°C / -8°F | -26°C / -15°F | 70% | 1005 mb (29.68 in) | W 11 kph (W 6.9 mph) | - | 4SM |
| | KGPZ 101135Z AUTO 28006KT 4SM OVC011 M22/M26 A2968 RMK AO1 |
| 05:15 CST |  Overcast | -22°C / -8°F | -26°C / -15°F | 70% | 1005 mb (29.68 in) | NW 13 kph (NW 8.1 mph) | - | 5SM |
| | KGPZ 101115Z AUTO 30007KT 5SM OVC011 M22/M26 A2968 RMK AO1 |
| 04:55 CST |  Mostly Cloudy | -22°C / -8°F | -25°C / -13°F | 77% | 1005 mb (29.68 in) | WNW 11 kph (WNW 6.9 mph) | - | 7SM |
| | KGPZ 101055Z AUTO 29006KT 7SM BKN011 M22/M25 A2968 RMK AO1 |
| 04:35 CST |  Partly Cloudy | -21°C / -6°F | -24°C / -11°F | 77% | 1005 mb (29.68 in) | WNW 11 kph (WNW 6.9 mph) | - | 10SM |
| | KGPZ 101035Z AUTO 29006KT 10SM SCT011 M21/M24 A2968 RMK AO1 |
| 04:15 CST |  Partly Cloudy | -21°C / -6°F | -24°C / -11°F | 77% | 1005 mb (29.68 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KGPZ 101015Z AUTO 31004KT 10SM FEW011 M21/M24 A2968 RMK AO1 |
| 03:55 CST |  Clear | -21°C / -6°F | -24°C / -11°F | 77% | 1005 mb (29.68 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KGPZ 100955Z AUTO 31007KT 10SM CLR M21/M24 A2968 RMK AO1 |
| 03:35 CST |  Clear | -21°C / -6°F | -24°C / -11°F | 77% | 1005 mb (29.68 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KGPZ 100935Z AUTO 31006KT 10SM CLR M21/M24 A2968 RMK AO1 |
| 03:15 CST |  Clear | -21°C / -6°F | -24°C / -11°F | 77% | 1005 mb (29.68 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KGPZ 100915Z AUTO 30007KT 10SM CLR M21/M24 A2967 RMK AO1 |
| 02:55 CST |  Clear | -21°C / -6°F | -24°C / -11°F | 77% | 1005 mb (29.68 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KGPZ 100855Z AUTO 31007KT 10SM CLR M21/M24 A2968 RMK AO1 52007 |
| 02:35 CST |  Partly Cloudy | -21°C / -6°F | -24°C / -11°F | 77% | 1005 mb (29.68 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KGPZ 100835Z AUTO 30009KT 10SM FEW013 M21/M24 A2968 RMK AO1 |
| 02:15 CST |  Overcast | -20°C / -4°F | -24°C / -11°F | 71% | 1005 mb (29.68 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KGPZ 100815Z AUTO 30009KT 10SM BKN013 OVC120 M20/M24 A2968 RMK AO1 |
| 01:55 CST |  Overcast | -20°C / -4°F | -23°C / -9°F | 77% | 1005 mb (29.68 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KGPZ 100755Z AUTO 30009KT 10SM OVC013 M20/M23 A2967 RMK AO1 |
| 01:35 CST |  Overcast | -19°C / -2°F | -23°C / -9°F | 71% | 1005 mb (29.68 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KGPZ 100735Z AUTO 30008KT 10SM OVC013 M19/M23 A2967 RMK AO1 |
| 01:15 CST |  Overcast | -19°C / -2°F | -23°C / -9°F | 71% | 1004 mb (29.65 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KGPZ 100715Z AUTO 30008KT 10SM OVC015 M19/M23 A2966 RMK AO1 |
| 00:55 CST |  Overcast | -19°C / -2°F | -23°C / -9°F | 71% | 1004 mb (29.65 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KGPZ 100655Z AUTO 30008KT 10SM OVC015 M19/M23 A2966 RMK AO1 |
| 00:35 CST |  Overcast | -19°C / -2°F | -23°C / -9°F | 71% | 1004 mb (29.65 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KGPZ 100635Z AUTO 31011KT 10SM OVC015 M19/M23 A2966 RMK AO1 |
| 00:15 CST |  Overcast | -19°C / -2°F | -23°C / -9°F | 71% | 1004 mb (29.65 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KGPZ 100615Z AUTO 32011KT 10SM BKN015 OVC095 M19/M23 A2966 RMK AO1 |