| 03:15 CST |  Clear | -21°C / -6°F | -23°C / -9°F | 84% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KBJI 080915Z AUTO 00000KT 10SM CLR M21/M23 A3028 RMK AO2 T12151234 |
| 02:55 CST |  Partly Cloudy | -21°C / -6°F | -23°C / -9°F | 84% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KBJI 080855Z AUTO 00000KT 10SM SCT003 M21/M23 A3028 RMK AO2 T12131233 |
| 02:35 CST |  Mostly Cloudy | -21°C / -6°F | -23°C / -9°F | 84% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KBJI 080835Z AUTO 00000KT 10SM BKN005 M21/M23 A3027 RMK AO2 T12101227 |
| 02:15 CST |  Mostly Cloudy | -21°C / -6°F | -24°C / -11°F | 77% | 1026 mb (30.3 in) | WNW 6 kph (WNW 3.5 mph) | - | 10SM |
| | KBJI 080815Z AUTO 29003KT 10SM BKN005 M21/M24 A3029 RMK AO2 T12151236 |
| 01:55 CST |  Clear | -20°C / -4°F | -22°C / -8°F | 84% | 1025 mb (30.27 in) | W 7 kph (W 4.6 mph) | - | 10SM |
| | KBJI 080755Z AUTO 27004KT 10SM CLR M20/M22 A3028 RMK AO2 T12051225 |
| 01:36 CST |  Partly Cloudy | -20°C / -4°F | -22°C / -8°F | 84% | 1025 mb (30.27 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KBJI 080736Z AUTO 26003KT 10SM SCT004 M20/M22 A3027 RMK AO2 |
| 01:35 CST |  Partly Cloudy | -20°C / -4°F | -22°C / -8°F | 84% | 1025 mb (30.27 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KBJI 080735Z AUTO 26003KT 10SM SCT004 M20/M22 A3027 RMK AO2 T12011220 |
| 01:16 CST |  Mostly Cloudy | -21°C / -6°F | -22°C / -8°F | 92% | 1025 mb (30.27 in) | W 7 kph (W 4.6 mph) | - | 10SM |
| | KBJI 080716Z AUTO 27004KT 10SM BKN004 M21/M22 A3028 RMK AO2 |
| 00:56 CST |  Mostly Cloudy | -20°C / -4°F | -22°C / -8°F | 84% | 1025 mb (30.27 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KBJI 080656Z AUTO 27003KT 10SM BKN004 M20/M22 A3027 RMK AO2 |
| 00:36 CST |  Clear | -20°C / -4°F | -22°C / -8°F | 84% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KBJI 080636Z AUTO 00000KT 10SM CLR M20/M22 A3027 RMK AO2 |
| 00:16 CST |  Clear | -20°C / -4°F | -22°C / -8°F | 84% | 1025 mb (30.27 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KBJI 080616Z AUTO 27003KT 10SM CLR M20/M22 A3027 RMK AO2 |