| 08:54 EST |  Mostly Cloudy | 0°C / 32°F | -3°C / 27°F | 80% | 1026 mb (30.3 in) | W 6 kph (W 3.5 mph) | - | 8SM |
| | KBWI 071354Z 28003KT 8SM BKN038 BKN150 BKN250 00/M03 A3031 RMK AO2 SLP265 T00001028 |
| 07:54 EST |  Mostly Cloudy | -2°C / 28°F | -4°C / 25°F | 86% | 1026 mb (30.3 in) | Calm | - | 9SM |
| | KBWI 071254Z 00000KT 9SM BKN035 BKN150 BKN250 M02/M04 A3031 RMK AO2 SLP265 T10221039 |
| 06:54 EST |  Mostly Cloudy Fog And Mist | -2°C / 28°F | -4°C / 25°F | 86% | 1027 mb (30.33 in) | Calm | - | 6SM |
| | KBWI 071154Z 00000KT 6SM BR SCT150 BKN250 M02/M04 A3034 RMK AO2 SLP276 4/001 T10221039 11017 21033 53003 |
| 05:54 EST |  Overcast | -3°C / 27°F | -3°C / 27°F | 100% | 1027 mb (30.33 in) | Calm | - | 7SM |
| | KBWI 071054Z 00000KT 7SM BKN150 OVC250 M03/M03 A3033 RMK AO2 SLP270 T10281033 |
| 04:54 EST |  Mostly Cloudy | -3°C / 27°F | -4°C / 25°F | 93% | 1027 mb (30.33 in) | Calm | - | 7SM |
| | KBWI 070954Z 00000KT 7SM FEW010 BKN160 BKN250 M03/M04 A3032 RMK AO2 SLP269 T10331044 |
| 03:54 EST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1027 mb (30.33 in) | Calm | - | 7SM |
| | KBWI 070854Z 00000KT 7SM FEW160 OVC250 M02/M04 A3033 RMK AO2 SLP273 T10221039 58012 |
| 02:54 EST |  Overcast | -2°C / 28°F | -3°C / 27°F | 93% | 1028 mb (30.36 in) | Calm | - | 8SM |
| | KBWI 070754Z 00000KT 8SM SCT160 OVC250 M02/M03 A3036 RMK AO2 SLP283 T10221033 |
| 01:54 EST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1028 mb (30.36 in) | Calm | - | 8SM |
| | KBWI 070654Z 00000KT 8SM BKN160 OVC250 M02/M04 A3037 RMK AO2 SLP285 T10221039 |
| 00:54 EST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1028 mb (30.36 in) | Calm | - | 8SM |
| | KBWI 070554Z 00000KT 8SM BKN150 OVC250 M02/M04 A3037 RMK AO2 SLP285 4/001 T10221039 11006 21022 58012 |