| 16:55 EST |  Clear | -6°C / 21°F | -13°C / 9°F | 58% | 1014 mb (29.94 in) | W 11 kph (W 6.9 mph) | - | 10SM |
| | KSAW 052155Z 27006KT 10SM SKC M06/M13 A2994 |
| 15:50 EST |  Partly Cloudy | -5°C / 23°F | -13°C / 9°F | 54% | 1014 mb (29.94 in) | SSW 22 kph (SSW 13.8 mph) | - | 10SM |
| | KSAW 052050Z 25012KT 10SM SCT038 M05/M13 A2993 |
| 14:55 EST |  Partly Cloudy | -5°C / 23°F | -13°C / 9°F | 54% | 1013 mb (29.91 in) | SSW 19 kph (SSW 11.5 mph) | - | 10SM |
| | KSAW 051955Z 25010G18KT 10SM SCT036 M05/M13 A2992 |
| 13:50 EST |  Mostly Cloudy | -5°C / 23°F | -13°C / 9°F | 54% | 1013 mb (29.91 in) | SSW 26 kph (SSW 16.1 mph) | - | 10SM |
| | KSAW 051850Z 26014G19KT 10SM SCT028 SCT034 BKN110 M05/M13 A2990 |
| 12:49 EST |  Overcast Light Snow | -6°C / 21°F | -11°C / 12°F | 68% | 1013 mb (29.91 in) | SSW 24 kph (SSW 15 mph) | - | 7SM |
| | KSAW 051749Z 25013KT 7SM -SN BKN028 OVC034 M06/M11 A2991 |
| 11:50 EST |  Partly Cloudy | -6°C / 21°F | -11°C / 12°F | 68% | 1013 mb (29.91 in) | SSW 22 kph (SSW 13.8 mph) | - | 10SM |
| | KSAW 051650Z 24012G18KT 10SM SCT027 M06/M11 A2992 |
| 10:50 EST |  Partly Cloudy | -7°C / 19°F | -11°C / 12°F | 73% | 1014 mb (29.94 in) | SW 19 kph (SW 11.5 mph) | - | 10SM |
| | KSAW 051550Z 23010KT 10SM SCT120 M07/M11 A2993 |
| 09:50 EST |  Partly Cloudy Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1013 mb (29.91 in) | SW 17 kph (SW 10.4 mph) | - | 7SM |
| | KSAW 051450Z 22009KT 7SM -SN SCT110 M08/M11 A2992 |
| 08:50 EST |  Mostly Cloudy | -9°C / 16°F | -11°C / 12°F | 86% | 1013 mb (29.91 in) | SW 13 kph (SW 8.1 mph) | - | 10SM |
| | KSAW 051350Z 21007KT 10SM BKN110 M09/M11 A2991 |
| 07:50 EST |  Overcast | -9°C / 16°F | -11°C / 12°F | 86% | 1013 mb (29.91 in) | SW 13 kph (SW 8.1 mph) | - | 10SM |
| | KSAW 051250Z 22007KT 10SM OVC110 M09/M11 A2991 |
| 06:50 EST |  Mostly Cloudy Light Snow | -9°C / 16°F | -11°C / 12°F | 86% | 1013 mb (29.91 in) | SW 15 kph (SW 9.2 mph) | - | 10SM |
| | KSAW 051150Z 22008KT 10SM -SN SCT100 BKN120 M09/M11 A2991 |
| 05:56 EST |  Mostly Cloudy | -9°C / 16°F | -11°C / 12°F | 86% | 1013 mb (29.91 in) | SW 15 kph (SW 9.2 mph) | - | 10SM |
| | KSAW 051056Z AUTO 22008KT 10SM SCT100 BKN120 M09/M11 A2991 RMK AO2 |
| 05:35 EST |  Mostly Cloudy | -9°C / 16°F | -11°C / 12°F | 86% | 1013 mb (29.91 in) | SW 17 kph (SW 10.4 mph) | - | 10SM |
| | KSAW 051035Z AUTO 22009KT 10SM BKN100 BKN120 M09/M11 A2991 RMK AO2 |
| 05:15 EST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1013 mb (29.91 in) | SW 17 kph (SW 10.4 mph) | - | 10SM |
| | KSAW 051015Z AUTO 22009KT 10SM OVC100 M08/M11 A2991 RMK AO2 |
| 04:56 EST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1013 mb (29.91 in) | SW 17 kph (SW 10.4 mph) | - | 10SM |
| | KSAW 050956Z AUTO 21009KT 10SM SCT065 OVC100 M08/M11 A2991 RMK AO2 |
| 04:35 EST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1013 mb (29.91 in) | SW 13 kph (SW 8.1 mph) | - | 7SM |
| | KSAW 050935Z AUTO 22007KT 7SM SCT050 SCT055 OVC100 M08/M11 A2991 RMK AO2 |
| 04:15 EST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1013 mb (29.91 in) | SW 13 kph (SW 8.1 mph) | - | 7SM |
| | KSAW 050915Z AUTO 22007KT 7SM -SN SCT040 BKN049 OVC065 M08/M11 A2991 RMK AO2 |
| 03:56 EST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1013 mb (29.91 in) | SW 17 kph (SW 10.4 mph) | - | 7SM |
| | KSAW 050856Z AUTO 22009KT 7SM SCT022 BKN048 OVC060 M08/M11 A2991 RMK AO2 |
| 03:35 EST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1013 mb (29.91 in) | SW 20 kph (SW 12.7 mph) | - | 5SM |
| | KSAW 050835Z AUTO 22011KT 5SM -SN SCT020 BKN040 OVC060 M08/M11 A2992 RMK AO2 |
| 03:15 EST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1013 mb (29.91 in) | SW 20 kph (SW 12.7 mph) | - | 10SM |
| | KSAW 050815Z AUTO 23011G15KT 10SM SCT047 BKN060 OVC065 M08/M11 A2992 RMK AO2 |
| 02:56 EST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1013 mb (29.91 in) | SW 19 kph (SW 11.5 mph) | - | 10SM |
| | KSAW 050756Z AUTO 23010KT 10SM BKN060 OVC070 M08/M11 A2992 RMK AO2 |
| 02:35 EST |  Overcast | -8°C / 18°F | -12°C / 10°F | 73% | 1013 mb (29.91 in) | SW 19 kph (SW 11.5 mph) | - | 10SM |
| | KSAW 050735Z AUTO 22010KT 10SM SCT060 BKN070 OVC110 M08/M12 A2991 RMK AO2 |
| 02:15 EST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1013 mb (29.91 in) | SW 17 kph (SW 10.4 mph) | - | 10SM |
| | KSAW 050715Z AUTO 23009KT 10SM SCT085 OVC110 M08/M11 A2991 RMK AO2 |
| 01:56 EST |  Overcast | -8°C / 18°F | -12°C / 10°F | 73% | 1013 mb (29.91 in) | SW 15 kph (SW 9.2 mph) | - | 10SM |
| | KSAW 050656Z AUTO 23008KT 10SM SCT085 OVC110 M08/M12 A2991 RMK AO2 |
| 01:35 EST |  Overcast | -8°C / 18°F | -12°C / 10°F | 73% | 1013 mb (29.91 in) | SW 19 kph (SW 11.5 mph) | - | 10SM |
| | KSAW 050635Z AUTO 23010KT 10SM SCT085 OVC110 M08/M12 A2990 RMK AO2 |
| 01:15 EST |  Overcast | -8°C / 18°F | -12°C / 10°F | 73% | 1013 mb (29.91 in) | SW 19 kph (SW 11.5 mph) | - | 10SM |
| | KSAW 050615Z AUTO 23010KT 10SM SCT070 OVC085 M08/M12 A2990 RMK AO2 |
| 00:56 EST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1013 mb (29.91 in) | SSW 17 kph (SSW 10.4 mph) | - | 10SM |
| | KSAW 050556Z AUTO 24009KT 10SM SCT050 SCT070 OVC085 M08/M11 A2990 RMK AO2 |
| 00:35 EST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1013 mb (29.91 in) | SSW 19 kph (SSW 11.5 mph) | - | 7SM |
| | KSAW 050535Z AUTO 24010KT 7SM -SN SCT031 BKN055 OVC100 M08/M11 A2990 RMK AO2 |
| 00:15 EST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1013 mb (29.91 in) | SW 19 kph (SW 11.5 mph) | - | 7SM |
| | KSAW 050515Z AUTO 23010KT 7SM -SN SCT032 BKN038 OVC046 M08/M11 A2990 RMK AO2 |