| 14:55 GMT-9 |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1010 mb (29.83 in) | Calm | - | 10SM |
| | PAEI 222355Z 00000KT 10SM FEW075 BKN100 OVC150 M11/M13 A2984 RMK AO2A SLP118 4/006 51004 |
| 13:55 GMT-9 |  Overcast | -10°C / 14°F | -12°C / 10°F | 85% | 1010 mb (29.83 in) | Calm | - | 10SM |
| | PAEI 222255Z 00000KT 10SM FEW075 BKN100 OVC150 M10/M12 A2983 RMK AO2A SLP118 |
| 12:55 GMT-9 |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1010 mb (29.83 in) | Calm | - | 10SM |
| | PAEI 222155Z 00000KT 10SM SCT075 BKN100 OVC150 M11/M13 A2984 RMK AO2A SLP118 VIRGA S-W |
| 11:55 GMT-9 |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1010 mb (29.83 in) | Variable 6 kph (Variable 3.5 mph) | - | 10SM |
| | PAEI 222055Z VRB03KT 10SM SCT075 BKN100 OVC150 M12/M14 A2983 RMK AO2A SLP115 VIRGA S-W 50008 |
| 10:55 GMT-9 |  Overcast | -13°C / 9°F | -15°C / 5°F | 85% | 1010 mb (29.83 in) | Calm | - | 10SM |
| | PAEI 221955Z 00000KT 10SM SCT080 BKN120 OVC150 M13/M15 A2984 RMK AO2A SLP120 |
| 09:55 GMT-9 |  Overcast | -13°C / 9°F | -15°C / 5°F | 85% | 1010 mb (29.83 in) | Calm | - | 10SM |
| | PAEI 221855Z 00000KT 10SM FEW080 BKN120 OVC150 M13/M15 A2983 RMK AO2A SLP115 |
| 08:55 GMT-9 |  Mostly Cloudy | -15°C / 5°F | -17°C / 1°F | 85% | 1009 mb (29.8 in) | Calm | - | 10SM |
| | PAEI 221755Z 00000KT 10SM FEW080 SCT120 BKN250 M15/M17 A2980 RMK AO2A SLP108 4/006 51021 |
| 07:55 GMT-9 |  Mostly Cloudy | -16°C / 3°F | -19°C / -2°F | 78% | 1008 mb (29.77 in) | Calm | - | 10SM |
| | PAEI 221655Z 00000KT 10SM FEW080 SCT120 BKN250 M16/M19 A2978 RMK AO2A SLP100 |
| 06:55 GMT-9 |  Partly Cloudy | -18°C / 0°F | -20°C / -4°F | 84% | 1008 mb (29.77 in) | Calm | - | 10SM |
| | PAEI 221555Z 00000KT 10SM FEW080 SCT120 SCT250 M18/M20 A2976 RMK AO2A SLP094 |
| 05:55 GMT-9 |  Clear | -18°C / 0°F | -21°C / -6°F | 78% | 1007 mb (29.74 in) | Calm | - | 10SM |
| | PAEI 221455Z AUTO 00000KT 10SM CLR M18/M21 A2974 RMK AO2 SLP086 T11851208 53012 RVRNO $ |
| 04:55 GMT-9 |  Clear | -17°C / 1°F | -19°C / -2°F | 85% | 1006 mb (29.71 in) | Calm | - | 10SM |
| | PAEI 221355Z AUTO 00000KT 10SM CLR M17/M19 A2972 RMK AO2 SLP079 T11701193 RVRNO $ |
| 03:55 GMT-9 |  Clear | -17°C / 1°F | -20°C / -4°F | 78% | 1005 mb (29.68 in) | Calm | - | 10SM |
| | PAEI 221255Z AUTO 00000KT 10SM CLR M17/M20 A2969 RMK AO2 SLP070 T11741197 RVRNO $ |
| 02:55 GMT-9 |  Mostly Cloudy | -16°C / 3°F | -18°C / 0°F | 85% | 1006 mb (29.71 in) | Calm | - | 10SM |
| | PAEI 221155Z AUTO 00000KT 10SM BKN180 M16/M18 A2970 RMK AO2 SLP074 T11611183 11152 21193 53007 RVRNO $ |
| 01:55 GMT-9 |  Partly Cloudy | -18°C / 0°F | -20°C / -4°F | 84% | 1005 mb (29.68 in) | Calm | - | 10SM |
| | PAEI 221055Z AUTO 00000KT 10SM FEW170 M18/M20 A2969 RMK AO2 SLP071 T11751198 RVRNO $ |
| 00:55 GMT-9 |  Clear | -15°C / 5°F | -18°C / 0°F | 78% | 1005 mb (29.68 in) | NNW 7 kph (NNW 4.6 mph) | - | 10SM |
| | PAEI 220955Z AUTO 33004KT 10SM CLR M15/M18 A2968 RMK AO2 SLP067 T11541176 RVRNO $ |