| 09:40 CST |  Mostly Cloudy | 3°C / 37°F | 2°C / 36°F | 93% | 1023 mb (30.21 in) | SE 15 kph (SE 9.2 mph) | - | 10SM |
| | KIER 061540Z AUTO 12008KT 10SM BKN070 03/02 A3022 RMK AO2 |
| 09:20 CST |  Partly Cloudy | 3°C / 37°F | 2°C / 36°F | 93% | 1023 mb (30.21 in) | E 13 kph (E 8.1 mph) | - | 10SM |
| | KIER 061520Z AUTO 10007KT 10SM SCT070 03/02 A3021 RMK AO2 |
| 09:00 CST |  Clear | 3°C / 37°F | 2°C / 36°F | 93% | 1023 mb (30.21 in) | ESE 13 kph (ESE 8.1 mph) | - | 10SM |
| | KIER 061500Z AUTO 11007KT 10SM CLR 03/02 A3022 RMK AO2 |
| 08:40 CST |  Clear | 2°C / 36°F | 2°C / 36°F | 100% | 1023 mb (30.21 in) | E 11 kph (E 6.9 mph) | - | 10SM |
| | KIER 061440Z AUTO 10006KT 10SM CLR 02/02 A3021 RMK AO2 |
| 08:20 CST |  Clear | 1°C / 34°F | 1°C / 34°F | 100% | 1023 mb (30.21 in) | ESE 7 kph (ESE 4.6 mph) | - | 10SM |
| | KIER 061420Z AUTO 11004KT 10SM CLR 01/01 A3022 RMK AO2 |
| 08:00 CST |  Clear | 1°C / 34°F | 1°C / 34°F | 100% | 1023 mb (30.21 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KIER 061400Z AUTO 09005KT 10SM CLR 01/01 A3021 RMK AO2 |
| 07:40 CST |  Clear | 0°C / 32°F | 0°C / 32°F | 100% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KIER 061340Z AUTO 00000KT 10SM CLR 00/00 A3021 RMK AO2 |
| 07:20 CST |  Clear | 0°C / 32°F | 0°C / 32°F | 100% | 1023 mb (30.21 in) | ESE 6 kph (ESE 3.5 mph) | - | 10SM |
| | KIER 061320Z AUTO 11003KT 10SM CLR 00/00 A3021 RMK AO2 |
| 07:00 CST |  Clear | 0°C / 32°F | 0°C / 32°F | 100% | 1023 mb (30.21 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KIER 061300Z AUTO 10003KT 10SM CLR 00/00 A3021 RMK AO2 |
| 06:40 CST |  Clear | 0°C / 32°F | 0°C / 32°F | 100% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KIER 061240Z AUTO 00000KT 10SM CLR 00/00 A3020 RMK AO2 |
| 06:20 CST |  Clear | 0°C / 32°F | 0°C / 32°F | 100% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KIER 061220Z AUTO 00000KT 10SM CLR 00/00 A3020 RMK AO2 |
| 06:00 CST |  Clear | 0°C / 32°F | 0°C / 32°F | 100% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KIER 061200Z AUTO 00000KT 10SM CLR 00/00 A3020 RMK AO2 |
| 05:40 CST |  Clear | 0°C / 32°F | 0°C / 32°F | 100% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KIER 061140Z AUTO 00000KT 10SM CLR 00/00 A3019 RMK AO2 |
| 05:20 CST |  Clear | 0°C / 32°F | 0°C / 32°F | 100% | 1021 mb (30.15 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KIER 061120Z AUTO 08004KT 10SM CLR 00/00 A3016 RMK AO2 |
| 05:00 CST |  Clear | 0°C / 32°F | 0°C / 32°F | 100% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KIER 061100Z AUTO 00000KT 10SM CLR 00/00 A3019 RMK AO2 |
| 04:40 CST |  Clear | 0°C / 32°F | 0°C / 32°F | 100% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KIER 061040Z AUTO 00000KT 10SM CLR 00/00 A3017 RMK AO2 |
| 04:20 CST |  Clear | 0°C / 32°F | 0°C / 32°F | 100% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KIER 061020Z AUTO 00000KT 10SM CLR 00/00 A3019 RMK AO2 |
| 04:00 CST |  Clear | 0°C / 32°F | 0°C / 32°F | 100% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KIER 061000Z AUTO 00000KT 10SM CLR 00/00 A3020 RMK AO2 |
| 03:40 CST |  Clear | 0°C / 32°F | 0°C / 32°F | 100% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KIER 060940Z AUTO 00000KT 10SM CLR 00/00 A3019 RMK AO2 |
| 03:20 CST |  Clear | 0°C / 32°F | 0°C / 32°F | 100% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KIER 060920Z AUTO 00000KT 10SM CLR 00/00 A3017 RMK AO2 |
| 03:00 CST |  Clear | 0°C / 32°F | 0°C / 32°F | 100% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KIER 060900Z AUTO 00000KT 10SM CLR 00/00 A3017 RMK AO2 |
| 02:40 CST |  Clear | -1°C / 30°F | -1°C / 30°F | 100% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KIER 060840Z AUTO 00000KT 10SM CLR M01/M01 A3017 RMK AO2 |
| 02:20 CST |  Clear | -1°C / 30°F | -1°C / 30°F | 100% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KIER 060820Z AUTO 00000KT 10SM CLR M01/M01 A3019 RMK AO2 |
| 02:00 CST |  Clear | -1°C / 30°F | -1°C / 30°F | 100% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KIER 060800Z AUTO 00000KT 10SM CLR M01/M01 A3019 RMK AO2 |
| 01:40 CST |  Clear | -1°C / 30°F | -1°C / 30°F | 100% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KIER 060740Z AUTO 00000KT 10SM CLR M01/M01 A3019 RMK AO2 |
| 01:20 CST |  Clear | -1°C / 30°F | -1°C / 30°F | 100% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KIER 060720Z AUTO 00000KT 10SM CLR M01/M01 A3018 RMK AO2 |
| 01:00 CST |  Clear | -1°C / 30°F | -1°C / 30°F | 100% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KIER 060700Z AUTO 00000KT 10SM CLR M01/M01 A3019 RMK AO2 |
| 00:40 CST |  Clear | -1°C / 30°F | -1°C / 30°F | 100% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KIER 060640Z AUTO 00000KT 10SM CLR M01/M01 A3019 RMK AO2 |
| 00:20 CST |  Clear | -1°C / 30°F | -1°C / 30°F | 100% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KIER 060620Z AUTO 00000KT 10SM CLR M01/M01 A3020 RMK AO2 |
| 00:00 CST |  Clear | -1°C / 30°F | -1°C / 30°F | 100% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KIER 060600Z AUTO 00000KT 10SM CLR M01/M01 A3020 RMK AO2 |