| 02:35 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1002 mb (29.59 in) | NNE 15 kph (NNE 9.2 mph) | - | 5SM |
| | KGPZ 260835Z AUTO 02008KT 5SM SCT010 BKN017 OVC022 M02/M04 A2960 RMK AO1 |
| 02:15 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1002 mb (29.59 in) | NNE 17 kph (NNE 10.4 mph) | - | 3SM |
| | KGPZ 260815Z AUTO 02009KT 3SM SCT010 BKN017 OVC022 M02/M04 A2960 RMK AO1 |
| 01:55 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1002 mb (29.59 in) | N 19 kph (N 11.5 mph) | - | 4SM |
| | KGPZ 260755Z AUTO 01010G14KT 4SM BKN010 OVC014 M02/M04 A2959 RMK AO1 |
| 01:35 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1002 mb (29.59 in) | NE 19 kph (NE 11.5 mph) | - | 5SM |
| | KGPZ 260735Z AUTO 03010KT 5SM OVC010 M02/M04 A2959 RMK AO1 |
| 01:15 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1002 mb (29.59 in) | NNE 19 kph (NNE 11.5 mph) | - | 10SM |
| | KGPZ 260715Z AUTO 02010KT 10SM OVC010 M02/M04 A2959 RMK AO1 |
| 00:55 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1002 mb (29.59 in) | NNE 15 kph (NNE 9.2 mph) | - | 10SM |
| | KGPZ 260655Z AUTO 02008G14KT 10SM OVC010 M02/M04 A2959 RMK AO1 |
| 00:35 CST |  Overcast | -2°C / 28°F | -3°C / 27°F | 93% | 1002 mb (29.59 in) | N 17 kph (N 10.4 mph) | - | 10SM |
| | KGPZ 260635Z AUTO 01009KT 10SM OVC010 M02/M03 A2958 RMK AO1 |
| 00:15 CST |  Overcast | -2°C / 28°F | -3°C / 27°F | 93% | 1002 mb (29.59 in) | N 17 kph (N 10.4 mph) | - | 7SM |
| | KGPZ 260615Z AUTO 01009KT 7SM OVC010 M02/M03 A2959 RMK AO1 |