| 09:54 EST |  Partly Cloudy | -2°C / 28°F | -8°C / 18°F | 64% | 1030 mb (30.42 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KBWI 241454Z 31003KT 10SM SCT250 M02/M08 A3043 RMK AO2 SLP304 T10221078 53013 |
| 08:54 EST |  Partly Cloudy | -6°C / 21°F | -9°C / 16°F | 80% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KBWI 241354Z 00000KT 10SM FEW250 M06/M09 A3041 RMK AO2 SLP301 T10561094 |
| 07:54 EST |  Partly Cloudy | -9°C / 16°F | -12°C / 10°F | 79% | 1029 mb (30.39 in) | Calm | - | 10SM |
| | KBWI 241254Z 00000KT 10SM FEW250 M09/M12 A3039 RMK AO2 SLP293 T10891117 |
| 06:54 EST |  Partly Cloudy | -8°C / 18°F | -12°C / 10°F | 73% | 1029 mb (30.39 in) | Calm | - | 10SM |
| | KBWI 241154Z 00000KT 10SM FEW250 M08/M12 A3039 RMK AO2 SLP293 4/008 T10831117 11050 21100 51020 |
| 05:54 EST |  Clear | -8°C / 18°F | -12°C / 10°F | 73% | 1029 mb (30.39 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KBWI 241054Z 27003KT 10SM CLR M08/M12 A3039 RMK AO2 SLP291 T10781117 |
| 04:54 EST |  Clear | -8°C / 18°F | -12°C / 10°F | 73% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | KBWI 240954Z 00000KT 10SM CLR M08/M12 A3035 RMK AO2 SLP277 T10831117 |
| 03:54 EST |  Clear | -9°C / 16°F | -12°C / 10°F | 79% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KBWI 240854Z 00000KT 10SM CLR M09/M12 A3033 RMK AO2 SLP271 T10941117 51006 |
| 02:54 EST |  Clear | -7°C / 19°F | -12°C / 10°F | 68% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KBWI 240754Z 00000KT 10SM CLR M07/M12 A3033 RMK AO2 SLP271 T10721117 |
| 01:54 EST |  Clear | -6°C / 21°F | -12°C / 10°F | 63% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KBWI 240654Z 00000KT 10SM CLR M06/M12 A3033 RMK AO2 SLP270 T10611117 |
| 00:54 EST |  Clear | -6°C / 21°F | -11°C / 12°F | 68% | 1026 mb (30.3 in) | W 7 kph (W 4.6 mph) | - | 10SM |
| | KBWI 240554Z 27004KT 10SM CLR M06/M11 A3031 RMK AO2 SLP265 4/008 T10611111 11033 21083 53002 |