| 06:40 EST |  Clear Fog And Mist | -6°C / 21°F | -6°C / 21°F | 100% | 1025 mb (30.27 in) | Calm | - | 4SM |
| | KSHD 231140Z AUTO 00000KT 4SM BR CLR M06/M06 A3026 RMK AO2 |
| 06:20 EST |  Clear Fog And Mist | -6°C / 21°F | -6°C / 21°F | 100% | 1025 mb (30.27 in) | Calm | - | 3SM |
| | KSHD 231120Z AUTO 00000KT 3SM BR CLR M06/M06 A3026 RMK AO2 |
| 06:00 EST |  Clear Fog And Mist | -5°C / 23°F | -5°C / 23°F | 100% | 1024 mb (30.24 in) | Calm | - | 2 1/2SM |
| | KSHD 231100Z AUTO 00000KT 2 1/2SM BR CLR M05/M05 A3025 RMK AO2 VIS 1 1/4V4 |
| 05:40 EST |  Clear Fog And Mist | -5°C / 23°F | -5°C / 23°F | 100% | 1024 mb (30.24 in) | Calm | - | 2 1/2SM |
| | KSHD 231040Z AUTO 00000KT 2 1/2SM BR CLR M05/M05 A3025 RMK AO2 |
| 05:20 EST |  Clear Fog And Mist | -4°C / 25°F | -4°C / 25°F | 100% | 1024 mb (30.24 in) | Calm | - | 2 1/2SM |
| | KSHD 231020Z AUTO 00000KT 2 1/2SM BR CLR M04/M04 A3025 RMK AO2 |
| 05:00 EST |  Clear Fog And Mist | -3°C / 27°F | -3°C / 27°F | 100% | 1024 mb (30.24 in) | Calm | - | 2SM |
| | KSHD 231000Z AUTO 00000KT 2SM BR CLR M03/M03 A3025 RMK AO2 |
| 04:40 EST |  Clear Fog And Mist | -3°C / 27°F | -3°C / 27°F | 100% | 1024 mb (30.24 in) | Calm | - | 4SM |
| | KSHD 230940Z AUTO 00000KT 4SM BR CLR M03/M03 A3024 RMK AO2 |
| 04:20 EST |  Partly Cloudy Fog And Mist | -3°C / 27°F | -3°C / 27°F | 100% | 1024 mb (30.24 in) | Calm | - | 5SM |
| | KSHD 230920Z AUTO 00000KT 5SM BR SCT090 M03/M03 A3024 RMK AO2 |
| 04:00 EST |  Mostly Cloudy | -2°C / 28°F | -2°C / 28°F | 100% | 1024 mb (30.24 in) | Calm | - | 7SM |
| | KSHD 230900Z AUTO 00000KT 7SM BKN090 M02/M02 A3024 RMK AO2 |
| 03:40 EST |  Overcast | -1°C / 30°F | -2°C / 28°F | 93% | 1024 mb (30.24 in) | Calm | - | 7SM |
| | KSHD 230840Z AUTO 00000KT 7SM OVC090 M01/M02 A3024 RMK AO2 |
| 03:20 EST |  Overcast | -1°C / 30°F | -2°C / 28°F | 93% | 1024 mb (30.24 in) | Calm | - | 7SM |
| | KSHD 230820Z AUTO 00000KT 7SM SCT044 OVC090 M01/M02 A3024 RMK AO2 |
| 03:00 EST |  Overcast | -1°C / 30°F | -2°C / 28°F | 93% | 1024 mb (30.24 in) | Calm | - | 7SM |
| | KSHD 230800Z AUTO 00000KT 7SM BKN044 OVC090 M01/M02 A3024 RMK AO2 |
| 02:40 EST |  Overcast | -1°C / 30°F | -2°C / 28°F | 93% | 1024 mb (30.24 in) | Calm | - | 7SM |
| | KSHD 230740Z AUTO 00000KT 7SM OVC044 M01/M02 A3024 RMK AO2 |
| 02:20 EST |  Overcast | -1°C / 30°F | -2°C / 28°F | 93% | 1024 mb (30.24 in) | Calm | - | 7SM |
| | KSHD 230720Z AUTO 00000KT 7SM OVC044 M01/M02 A3024 RMK AO2 |
| 02:00 EST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1024 mb (30.24 in) | Calm | - | 7SM |
| | KSHD 230700Z AUTO 00000KT 7SM OVC044 M01/M03 A3024 RMK AO2 |
| 01:40 EST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1024 mb (30.24 in) | Calm | - | 7SM |
| | KSHD 230640Z AUTO 00000KT 7SM BKN044 OVC050 M01/M03 A3024 RMK AO2 |
| 01:20 EST |  Mostly Cloudy | -1°C / 30°F | -3°C / 27°F | 86% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KSHD 230620Z AUTO 00000KT 10SM BKN050 M01/M03 A3023 RMK AO2 |
| 01:00 EST |  Mostly Cloudy | -1°C / 30°F | -2°C / 28°F | 93% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KSHD 230600Z AUTO 00000KT 10SM BKN060 M01/M02 A3023 RMK AO2 |
| 00:40 EST |  Overcast | 0°C / 32°F | -2°C / 28°F | 87% | 1024 mb (30.24 in) | Calm | - | 7SM |
| | KSHD 230540Z AUTO 00000KT 7SM OVC060 00/M02 A3024 RMK AO2 |
| 00:20 EST |  Overcast | 0°C / 32°F | -2°C / 28°F | 87% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KSHD 230520Z AUTO 00000KT 10SM BKN060 OVC070 00/M02 A3023 RMK AO2 |
| 00:00 EST |  Overcast | 0°C / 32°F | -2°C / 28°F | 87% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KSHD 230500Z AUTO 00000KT 10SM OVC070 00/M02 A3023 RMK AO2 |