| 12:30 CST |  Clear | 1°C / 34°F | -8°C / 18°F | 51% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KGMJ 041830Z AUTO 00000KT 10SM CLR 01/M08 A3030 RMK AO2 |
| 12:12 CST |  Clear | 1°C / 34°F | -9°C / 16°F | 48% | 1027 mb (30.33 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KGMJ 041812Z AUTO 26005KT 10SM CLR 01/M09 A3032 RMK AO2 |
| 11:50 CST |  Clear | 1°C / 34°F | -8°C / 18°F | 51% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KGMJ 041750Z AUTO 00000KT 10SM CLR 01/M08 A3033 RMK AO2 |
| 11:31 CST |  Fair | 1°C / 34°F | -7°C / 19°F | 56% | N/A | W 9 kph (W 5.8 mph) | - | |
| | KGMJ 041731Z AUTO 27005KT 01/M07 RMK AO2 |
| 11:11 CST |  Fair | -1°C / 30°F | -8°C / 18°F | 59% | N/A | W 7 kph (W 4.6 mph) | - | |
| | KGMJ 041711Z AUTO 28004KT M01/M08 RMK AO2 PWINO |
| 10:50 CST |  Fair | N/A | N/A | N/A | N/A | Calm | - | |
| | KGMJ 041650Z AUTO RMK AO2 PWINO |
| 10:30 CST |  Fair | N/A | N/A | N/A | N/A | Calm | - | |
| | KGMJ 041630Z AUTO RMK AO2 PWINO |
| 10:11 CST |  Fair | N/A | N/A | N/A | N/A | Calm | - | |
| | KGMJ 041611Z AUTO RMK AO2 PWINO |
| 09:51 CST |  Fair | N/A | N/A | N/A | N/A | Calm | - | |
| | KGMJ 041551Z AUTO RMK AO2 PWINO |
| 09:30 CST |  Fair | -3°C / 27°F | -6°C / 21°F | 80% | N/A | Calm | - | |
| | KGMJ 041530Z AUTO M03/M06 RMK AO2 PWINO |
| 09:12 CST |  Fair | -3°C / 27°F | -6°C / 21°F | 80% | N/A | Calm | - | |
| | KGMJ 041512Z AUTO M03/M06 RMK AO2 PWINO |
| 08:50 CST |  Fair | -6°C / 21°F | -7°C / 19°F | 93% | N/A | Calm | - | |
| | KGMJ 041450Z AUTO M06/M07 RMK AO2 PWINO |
| 08:30 CST |  Fair | N/A | N/A | N/A | N/A | Calm | - | |
| | KGMJ 041430Z AUTO RMK AO2 PWINO |
| 08:12 CST |  Fair | N/A | N/A | N/A | N/A | Calm | - | |
| | KGMJ 041412Z AUTO RMK AO2 PWINO |
| 07:50 CST |  Fair | N/A | N/A | N/A | N/A | Calm | - | |
| | KGMJ 041350Z AUTO RMK AO2 PWINO |
| 07:30 CST |  Fair | N/A | N/A | N/A | N/A | Calm | - | |
| | KGMJ 041330Z AUTO RMK AO2 PWINO |
| 07:11 CST |  Fair | N/A | N/A | N/A | N/A | Calm | - | |
| | KGMJ 041311Z AUTO RMK AO2 PWINO |
| 06:50 CST |  Fair | N/A | N/A | N/A | N/A | Calm | - | |
| | KGMJ 041250Z AUTO RMK AO2 PWINO |
| 06:30 CST |  Fair | N/A | N/A | N/A | N/A | Calm | - | |
| | KGMJ 041230Z AUTO RMK AO2 PWINO |
| 06:11 CST |  Fair | N/A | N/A | N/A | N/A | Calm | - | |
| | KGMJ 041211Z AUTO RMK AO2 PWINO |
| 05:50 CST |  Fair | -8°C / 18°F | -9°C / 16°F | 93% | N/A | Calm | - | |
| | KGMJ 041150Z AUTO M08/M09 RMK AO2 PWINO |
| 05:31 CST |  Clear | -8°C / 18°F | -9°C / 16°F | 93% | N/A | Calm | - | 10SM |
| | KGMJ 041131Z AUTO 10SM CLR M08/M09 RMK AO2 |
| 05:10 CST |  Clear | -7°C / 19°F | -8°C / 18°F | 93% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KGMJ 041110Z AUTO 00000KT 10SM CLR M07/M08 A3033 RMK AO2 |
| 04:50 CST |  Clear | -7°C / 19°F | -9°C / 16°F | 86% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KGMJ 041050Z AUTO 00000KT 10SM CLR M07/M09 A3033 RMK AO2 |
| 04:30 CST |  Clear | -7°C / 19°F | -9°C / 16°F | 86% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KGMJ 041030Z AUTO 00000KT 10SM CLR M07/M09 A3033 RMK AO2 |
| 04:12 CST |  Clear | -5°C / 23°F | -8°C / 18°F | 80% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KGMJ 041012Z AUTO 00000KT 10SM CLR M05/M08 A3033 RMK AO2 |
| 03:51 CST |  Clear | -6°C / 21°F | -8°C / 18°F | 86% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KGMJ 040951Z AUTO 00000KT 10SM CLR M06/M08 A3033 RMK AO2 |
| 03:30 CST |  Clear | -6°C / 21°F | -9°C / 16°F | 80% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KGMJ 040930Z AUTO 00000KT 10SM CLR M06/M09 A3033 RMK AO2 |
| 03:11 CST |  Clear | -6°C / 21°F | -9°C / 16°F | 80% | 1027 mb (30.33 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | KGMJ 040911Z AUTO 33003KT 10SM CLR M06/M09 A3033 RMK AO2 |
| 02:50 CST |  Clear | -5°C / 23°F | -8°C / 18°F | 80% | 1027 mb (30.33 in) | NNW 7 kph (NNW 4.6 mph) | - | 10SM |
| | KGMJ 040850Z AUTO 33004KT 10SM CLR M05/M08 A3033 RMK AO2 |
| 02:30 CST |  Clear | -6°C / 21°F | -9°C / 16°F | 80% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KGMJ 040830Z AUTO 00000KT 10SM CLR M06/M09 A3033 RMK AO2 |
| 02:12 CST |  Clear | -4°C / 25°F | -8°C / 18°F | 74% | 1027 mb (30.33 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KGMJ 040812Z AUTO 32003KT 10SM CLR M04/M08 A3033 RMK AO2 |
| 01:50 CST |  Clear | -4°C / 25°F | -8°C / 18°F | 74% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KGMJ 040750Z AUTO 00000KT 10SM CLR M04/M08 A3032 RMK AO2 |
| 01:30 CST |  Clear | -3°C / 27°F | -8°C / 18°F | 69% | 1027 mb (30.33 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KGMJ 040730Z AUTO 32005KT 10SM CLR M03/M08 A3032 RMK AO2 |
| 01:10 CST |  Clear | -3°C / 27°F | -8°C / 18°F | 69% | 1027 mb (30.33 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KGMJ 040710Z AUTO 32004KT 10SM CLR M03/M08 A3032 RMK AO2 |
| 00:50 CST |  Clear | -3°C / 27°F | -7°C / 19°F | 74% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KGMJ 040650Z AUTO 00000KT 10SM CLR M03/M07 A3031 RMK AO2 |
| 00:30 CST |  Clear | -3°C / 27°F | -7°C / 19°F | 74% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KGMJ 040630Z AUTO 00000KT 10SM CLR M03/M07 A3032 RMK AO2 |
| 00:10 CST |  Clear | -2°C / 28°F | -7°C / 19°F | 69% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KGMJ 040610Z AUTO 00000KT 10SM CLR M02/M07 A3032 RMK AO2 |