| 07:35 CST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1002 mb (29.59 in) | ENE 15 kph (ENE 9.2 mph) | - | 3 1/2SM |
| | KOLZ 261335Z AUTO 06008KT 3 1/2SM -SN SCT017 OVC031 M08/M11 A2958 RMK AO2 |
| 07:15 CST |  Overcast Light Snow | -9°C / 16°F | -11°C / 12°F | 86% | 1001 mb (29.56 in) | ENE 15 kph (ENE 9.2 mph) | - | 7SM |
| | KOLZ 261315Z AUTO 06008KT 7SM -SN BKN017 OVC028 M09/M11 A2957 RMK AO2 |
| 06:55 CST |  Overcast Light Snow | -9°C / 16°F | -11°C / 12°F | 86% | 1001 mb (29.56 in) | ENE 15 kph (ENE 9.2 mph) | - | 4SM |
| | KOLZ 261255Z AUTO 07008KT 4SM -SN SCT015 OVC028 M09/M11 A2957 RMK AO2 |
| 06:35 CST |  Overcast Light Snow | -9°C / 16°F | -11°C / 12°F | 86% | 1001 mb (29.56 in) | ENE 15 kph (ENE 9.2 mph) | - | 5SM |
| | KOLZ 261235Z AUTO 07008KT 5SM -SN SCT017 OVC030 M09/M11 A2957 RMK AO2 |
| 06:15 CST |  Overcast Light Snow | -9°C / 16°F | -11°C / 12°F | 86% | 1001 mb (29.56 in) | ENE 15 kph (ENE 9.2 mph) | - | 3SM |
| | KOLZ 261215Z AUTO 06008KT 3SM -SN OVC015 M09/M11 A2957 RMK AO2 |
| 05:55 CST |  Overcast Light Snow | -9°C / 16°F | -11°C / 12°F | 86% | 1001 mb (29.56 in) | ENE 17 kph (ENE 10.4 mph) | - | 5SM |
| | KOLZ 261155Z AUTO 07009KT 5SM -SN OVC015 M09/M11 A2956 RMK AO2 |
| 05:35 CST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1001 mb (29.56 in) | ENE 15 kph (ENE 9.2 mph) | - | 5SM |
| | KOLZ 261135Z AUTO 07008KT 5SM -SN BKN017 OVC033 M08/M11 A2956 RMK AO2 |
| 05:15 CST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1001 mb (29.56 in) | E 19 kph (E 11.5 mph) | - | 5SM |
| | KOLZ 261115Z AUTO 08010KT 5SM -SN BKN019 OVC029 M08/M11 A2955 RMK AO2 |
| 04:55 CST |  Overcast Light Snow | -9°C / 16°F | -11°C / 12°F | 86% | 1000 mb (29.53 in) | E 19 kph (E 11.5 mph) | - | 7SM |
| | KOLZ 261055Z AUTO 08010KT 7SM -SN OVC019 M09/M11 A2954 RMK AO2 |
| 04:35 CST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1000 mb (29.53 in) | E 20 kph (E 12.7 mph) | - | 7SM |
| | KOLZ 261035Z AUTO 09011KT 7SM -SN OVC019 M08/M11 A2954 RMK AO2 |
| 04:15 CST |  Mostly Cloudy Light Snow | -9°C / 16°F | -11°C / 12°F | 86% | 1000 mb (29.53 in) | E 19 kph (E 11.5 mph) | - | 10SM |
| | KOLZ 261015Z AUTO 08010KT 10SM -SN BKN019 M09/M11 A2954 RMK AO2 |
| 03:55 CST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1000 mb (29.53 in) | E 19 kph (E 11.5 mph) | - | 7SM |
| | KOLZ 260955Z AUTO 09010KT 7SM -SN SCT017 BKN025 OVC041 M08/M11 A2953 RMK AO2 |
| 03:35 CST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1000 mb (29.53 in) | E 20 kph (E 12.7 mph) | - | 5SM |
| | KOLZ 260935Z AUTO 10011KT 5SM -SN OVC041 M08/M11 A2953 RMK AO2 |
| 03:15 CST |  Overcast Light Snow | -9°C / 16°F | -11°C / 12°F | 86% | 1000 mb (29.53 in) | E 20 kph (E 12.7 mph) | - | 5SM |
| | KOLZ 260915Z AUTO 10011KT 5SM -SN SCT023 SCT033 OVC041 M09/M11 A2953 RMK AO2 |
| 02:55 CST |  Overcast Light Snow | -9°C / 16°F | -11°C / 12°F | 86% | 1000 mb (29.53 in) | E 24 kph (E 15 mph) | - | 10SM |
| | KOLZ 260855Z AUTO 10013KT 10SM -SN BKN025 OVC033 M09/M11 A2953 RMK AO2 |
| 02:35 CST |  Overcast Light Snow | -9°C / 16°F | -11°C / 12°F | 86% | 1000 mb (29.53 in) | E 20 kph (E 12.7 mph) | - | 7SM |
| | KOLZ 260835Z AUTO 10011KT 7SM -SN OVC025 M09/M11 A2953 RMK AO2 |
| 02:15 CST |  Overcast Light Snow | -9°C / 16°F | -11°C / 12°F | 86% | 1000 mb (29.53 in) | ESE 22 kph (ESE 13.8 mph) | - | 10SM |
| | KOLZ 260815Z AUTO 11012KT 10SM -SN OVC027 M09/M11 A2953 RMK AO2 |
| 01:55 CST |  Overcast | -9°C / 16°F | -11°C / 12°F | 86% | 1000 mb (29.53 in) | ESE 20 kph (ESE 12.7 mph) | - | 10SM |
| | KOLZ 260755Z AUTO 11011KT 10SM BKN019 OVC027 M09/M11 A2952 RMK AO2 |
| 01:35 CST |  Overcast Light Snow | -9°C / 16°F | -11°C / 12°F | 86% | 999 mb (29.5 in) | ESE 24 kph (ESE 15 mph) | - | 10SM |
| | KOLZ 260735Z AUTO 11013KT 10SM -SN OVC017 M09/M11 A2951 RMK AO2 |
| 01:15 CST |  Overcast Light Snow | -9°C / 16°F | -11°C / 12°F | 86% | 999 mb (29.5 in) | SE 22 kph (SE 13.8 mph) | - | 10SM |
| | KOLZ 260715Z AUTO 12012KT 10SM -SN BKN019 OVC024 M09/M11 A2950 RMK AO2 |
| 00:55 CST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 999 mb (29.5 in) | SE 22 kph (SE 13.8 mph) | - | 10SM |
| | KOLZ 260655Z AUTO 12012KT 10SM OVC024 M08/M11 A2949 RMK AO2 |