| 09:36 EST |  Overcast | -5°C / 23°F | -8°C / 18°F | 80% | 1019 mb (30.09 in) | WNW 9 kph (WNW 5.8 mph) | - | 10SM |
| | KOSC 151436Z AUTO 29005KT 10SM OVC065 M05/M08 A3009 RMK AO2 |
| 09:16 EST |  Overcast | -5°C / 23°F | -8°C / 18°F | 80% | 1019 mb (30.09 in) | WNW 9 kph (WNW 5.8 mph) | - | 10SM |
| | KOSC 151416Z AUTO 29005KT 10SM OVC065 M05/M08 A3008 RMK AO2 |
| 08:55 EST |  Overcast | -5°C / 23°F | -8°C / 18°F | 80% | 1019 mb (30.09 in) | WNW 11 kph (WNW 6.9 mph) | - | 10SM |
| | KOSC 151355Z AUTO 29006KT 10SM OVC065 M05/M08 A3008 RMK AO2 |
| 08:36 EST |  Overcast | -6°C / 21°F | -8°C / 18°F | 86% | 1018 mb (30.06 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KOSC 151336Z AUTO 30006KT 10SM OVC075 M06/M08 A3007 RMK AO2 |
| 08:16 EST |  Overcast | -6°C / 21°F | -8°C / 18°F | 86% | 1018 mb (30.06 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KOSC 151316Z AUTO 30008KT 10SM OVC075 M06/M08 A3007 RMK AO2 |
| 07:55 EST |  Overcast | -5°C / 23°F | -8°C / 18°F | 80% | 1018 mb (30.06 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KOSC 151255Z AUTO 31007KT 10SM OVC075 M05/M08 A3006 RMK AO2 |
| 07:36 EST |  Overcast | -5°C / 23°F | -7°C / 19°F | 86% | 1018 mb (30.06 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KOSC 151236Z AUTO 30008KT 10SM OVC085 M05/M07 A3005 RMK AO2 |
| 07:16 EST |  Overcast Light Snow | -4°C / 25°F | -7°C / 19°F | 80% | 1017 mb (30.03 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KOSC 151216Z AUTO 31010KT 10SM -SN SCT044 BKN065 OVC085 M04/M07 A3004 RMK AO2 |
| 06:55 EST |  Overcast Light Snow | -4°C / 25°F | -7°C / 19°F | 80% | 1017 mb (30.03 in) | NW 13 kph (NW 8.1 mph) | - | 7SM |
| | KOSC 151155Z AUTO 32007KT 7SM -SN SCT044 OVC065 M04/M07 A3004 RMK AO2 |
| 06:36 EST |  Overcast Light Snow | -4°C / 25°F | -7°C / 19°F | 80% | 1017 mb (30.03 in) | NNW 22 kph (NNW 13.8 mph) | - | 10SM |
| | KOSC 151136Z AUTO 33012G18KT 10SM -SN OVC055 M04/M07 A3004 RMK AO2 |
| 06:16 EST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1017 mb (30.03 in) | NW 24 kph (NW 15 mph) | - | 7SM |
| | KOSC 151116Z AUTO 32013KT 7SM -SN SCT039 OVC055 M04/M06 A3003 RMK AO2 |
| 05:55 EST |  Overcast Light Snow | -3°C / 27°F | -6°C / 21°F | 80% | 1017 mb (30.03 in) | NW 24 kph (NW 15 mph) | - | 3SM |
| | KOSC 151055Z AUTO 32013G18KT 3SM -SN SCT011 BKN046 OVC055 M03/M06 A3002 RMK AO2 |
| 05:36 EST |  Overcast Light Snow | -3°C / 27°F | -5°C / 23°F | 86% | 1016 mb (30 in) | NW 20 kph (NW 12.7 mph) | - | 3SM |
| | KOSC 151036Z AUTO 32011KT 3SM -SN BKN006 BKN012 OVC045 M03/M05 A3001 RMK AO2 |
| 05:16 EST |  Overcast Light Snow | -3°C / 27°F | -5°C / 23°F | 86% | 1016 mb (30 in) | NNW 19 kph (NNW 11.5 mph) | - | 2SM |
| | KOSC 151016Z AUTO 33010G18KT 2SM -SN BKN006 BKN012 OVC020 M03/M05 A3001 RMK AO2 |
| 04:55 EST |  Overcast Light Snow | -3°C / 27°F | -4°C / 25°F | 93% | 1016 mb (30 in) | NW 17 kph (NW 10.4 mph) | - | 4SM |
| | KOSC 150955Z AUTO 31009KT 4SM -SN SCT012 BKN023 OVC038 M03/M04 A3000 RMK AO2 |
| 04:36 EST |  Overcast Light Snow | -3°C / 27°F | -4°C / 25°F | 93% | 1016 mb (30 in) | NW 19 kph (NW 11.5 mph) | - | 3SM |
| | KOSC 150936Z AUTO 32010KT 3SM -SN SCT019 OVC034 M03/M04 A3000 RMK AO2 |
| 04:16 EST |  Overcast Light Snow | -2°C / 28°F | -4°C / 25°F | 86% | 1016 mb (30 in) | NW 17 kph (NW 10.4 mph) | - | 4SM |
| | KOSC 150916Z AUTO 32009KT 4SM -SN OVC032 M02/M04 A2999 RMK AO2 |
| 03:55 EST |  Overcast Light Snow | -2°C / 28°F | -4°C / 25°F | 86% | 1015 mb (29.97 in) | NNW 17 kph (NNW 10.4 mph) | - | 3SM |
| | KOSC 150855Z AUTO 34009G16KT 3SM -SN OVC028 M02/M04 A2998 RMK AO2 |
| 03:36 EST |  Overcast Light Snow | -2°C / 28°F | -4°C / 25°F | 86% | 1015 mb (29.97 in) | NNW 20 kph (NNW 12.7 mph) | - | 4SM |
| | KOSC 150836Z AUTO 34011KT 4SM -SN SCT009 SCT014 OVC026 M02/M04 A2998 RMK AO2 |
| 03:16 EST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1015 mb (29.97 in) | NNW 17 kph (NNW 10.4 mph) | - | 7SM |
| | KOSC 150816Z AUTO 33009KT 7SM -SN SCT009 SCT014 OVC022 M02/M03 A2997 RMK AO2 |
| 02:55 EST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1015 mb (29.97 in) | NNW 13 kph (NNW 8.1 mph) | - | 10SM |
| | KOSC 150755Z AUTO 34007KT 10SM -SN OVC022 M02/M03 A2996 RMK AO2 |
| 02:36 EST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1014 mb (29.94 in) | NNW 17 kph (NNW 10.4 mph) | - | 10SM |
| | KOSC 150736Z AUTO 33009KT 10SM -SN OVC022 M02/M03 A2995 RMK AO2 |
| 02:16 EST |  Overcast Light Snow | -1°C / 30°F | -3°C / 27°F | 86% | 1014 mb (29.94 in) | NNW 15 kph (NNW 9.2 mph) | - | 7SM |
| | KOSC 150716Z AUTO 33008KT 7SM -SN OVC022 M01/M03 A2994 RMK AO2 |
| 01:55 EST |  Overcast Light Snow | -1°C / 30°F | -3°C / 27°F | 86% | 1013 mb (29.91 in) | NNW 17 kph (NNW 10.4 mph) | - | 5SM |
| | KOSC 150655Z AUTO 33009G15KT 5SM -SN SCT009 OVC020 M01/M03 A2992 RMK AO2 |
| 01:36 EST |  Overcast Light Snow | -1°C / 30°F | -3°C / 27°F | 86% | 1013 mb (29.91 in) | NW 17 kph (NW 10.4 mph) | - | 4SM |
| | KOSC 150636Z AUTO 32009KT 4SM -SN BKN013 OVC018 M01/M03 A2992 RMK AO2 |
| 01:16 EST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1013 mb (29.91 in) | NNW 17 kph (NNW 10.4 mph) | - | 7SM |
| | KOSC 150616Z AUTO 33009KT 7SM -SN OVC011 M01/M02 A2991 RMK AO2 |
| 00:55 EST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1013 mb (29.91 in) | NNW 13 kph (NNW 8.1 mph) | - | 7SM |
| | KOSC 150555Z AUTO 33007KT 7SM -SN BKN009 OVC013 M01/M02 A2990 RMK AO2 |
| 00:36 EST |  Overcast Light Snow | 0°C / 32°F | -2°C / 28°F | 87% | 1013 mb (29.91 in) | NNW 11 kph (NNW 6.9 mph) | - | 7SM |
| | KOSC 150536Z AUTO 33006KT 7SM -SN SCT007 OVC013 00/M02 A2990 RMK AO2 |
| 00:16 EST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1013 mb (29.91 in) | NNW 11 kph (NNW 6.9 mph) | - | 4SM |
| | KOSC 150516Z AUTO 34006KT 4SM -SN SCT007 OVC013 M01/M02 A2990 RMK AO2 |