| 12:52 EST |  Clear | -5°C / 23°F | -14°C / 7°F | 50% | 1016 mb (30 in) | SSW 20 kph (SSW 12.7 mph) | - | 10SM |
| | KPYM 231752Z AUTO 26011G16KT 10SM CLR M05/M14 A3001 RMK AO2 SLP164 T10501144 11050 21156 57027 |
| 11:52 EST |  Clear | -6°C / 21°F | -15°C / 5°F | 49% | 1017 mb (30.03 in) | W 17 kph (W 10.4 mph) | - | 10SM |
| | KPYM 231652Z AUTO 28009G17KT 10SM CLR M06/M15 A3003 RMK AO2 SLP172 T10561150 |
| 10:52 EST |  Clear | -7°C / 19°F | -15°C / 5°F | 53% | 1018 mb (30.06 in) | W 19 kph (W 11.5 mph) | - | 10SM |
| | KPYM 231552Z AUTO 28010KT 10SM CLR M07/M15 A3006 RMK AO2 SLP183 T10671150 |
| 09:52 EST |  Clear | -7°C / 19°F | -15°C / 5°F | 53% | 1019 mb (30.09 in) | WNW 17 kph (WNW 10.4 mph) | - | 10SM |
| | KPYM 231452Z AUTO 29009KT 10SM CLR M07/M15 A3009 RMK AO2 SLP191 T10721150 51005 |
| 08:52 EST |  Clear | -9°C / 16°F | -16°C / 3°F | 57% | 1019 mb (30.09 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KPYM 231352Z AUTO 26008KT 10SM CLR M09/M16 A3009 RMK AO2 SLP191 T10941156 |
| 07:52 EST |  Clear | -16°C / 3°F | -18°C / 0°F | 85% | 1019 mb (30.09 in) | SW 7 kph (SW 4.6 mph) | - | 10SM |
| | KPYM 231252Z AUTO 23004KT 10SM CLR M16/M18 A3008 RMK AO2 SLP189 T11561178 |
| 06:52 EST |  Clear | -12°C / 10°F | -16°C / 3°F | 72% | 1018 mb (30.06 in) | SW 7 kph (SW 4.6 mph) | - | 10SM |
| | KPYM 231152Z AUTO 23004KT 10SM CLR M12/M16 A3007 RMK AO2 SLP186 T11171161 11089 21128 53005 |
| 05:52 EST |  Clear | -12°C / 10°F | -17°C / 1°F | 67% | 1018 mb (30.06 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KPYM 231052Z AUTO 26005KT 10SM CLR M12/M17 A3006 RMK AO2 SLP183 T11171167 |
| 04:52 EST |  Clear | -11°C / 12°F | -16°C / 3°F | 67% | 1018 mb (30.06 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KPYM 230952Z AUTO 26006KT 10SM CLR M11/M16 A3006 RMK AO2 SLP181 T11111161 |
| 03:52 EST |  Clear | -10°C / 14°F | -16°C / 3°F | 62% | 1018 mb (30.06 in) | W 7 kph (W 4.6 mph) | - | 10SM |
| | KPYM 230852Z AUTO 28004KT 10SM CLR M10/M16 A3006 RMK AO2 SLP181 T11001161 50004 |
| 02:52 EST |  Clear | -11°C / 12°F | -17°C / 1°F | 62% | 1018 mb (30.06 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KPYM 230752Z AUTO 27005KT 10SM CLR M11/M17 A3006 RMK AO2 SLP182 T11111167 |
| 01:52 EST |  Clear | -11°C / 12°F | -16°C / 3°F | 67% | 1018 mb (30.06 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KPYM 230652Z AUTO 26007KT 10SM CLR M11/M16 A3005 RMK AO2 SLP180 T11061161 |
| 00:52 EST |  Clear | -9°C / 16°F | -16°C / 3°F | 57% | 1018 mb (30.06 in) | W 11 kph (W 6.9 mph) | - | 10SM |
| | KPYM 230552Z AUTO 27006KT 10SM CLR M09/M16 A3005 RMK AO2 SLP177 T10891161 11039 21089 51008 |