| 08:15 EST |  Clear | -17°C / 1°F | -19°C / -2°F | 85% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KCIU 221315Z AUTO 00000KT 10SM CLR M17/M19 A3030 RMK AO1 |
| 07:55 EST |  Clear | -17°C / 1°F | -19°C / -2°F | 85% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KCIU 221255Z AUTO 00000KT 10SM CLR M17/M19 A3030 RMK AO1 |
| 07:35 EST |  Clear | -18°C / 0°F | -21°C / -6°F | 78% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KCIU 221235Z AUTO 00000KT 10SM CLR M18/M21 A3030 RMK AO1 |
| 07:15 EST |  Clear | -17°C / 1°F | -19°C / -2°F | 85% | 1026 mb (30.3 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KCIU 221215Z AUTO 06004KT 10SM CLR M17/M19 A3029 RMK AO1 |
| 06:55 EST |  Clear | -17°C / 1°F | -19°C / -2°F | 85% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KCIU 221155Z AUTO 00000KT 10SM CLR M17/M19 A3028 RMK AO1 11130 21170 52014 |
| 06:35 EST |  Clear | -17°C / 1°F | -19°C / -2°F | 85% | 1025 mb (30.27 in) | Calm | - | 5SM |
| | KCIU 221135Z AUTO 00000KT 5SM CLR M17/M19 A3028 RMK AO1 |
| 06:15 EST |  Clear | -16°C / 3°F | -18°C / 0°F | 85% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KCIU 221115Z AUTO 00000KT 10SM CLR M16/M18 A3027 RMK AO1 |
| 05:55 EST |  Clear | -16°C / 3°F | -18°C / 0°F | 85% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KCIU 221055Z AUTO 00000KT 10SM CLR M16/M18 A3027 RMK AO1 |
| 05:35 EST |  Clear | -16°C / 3°F | -20°C / -4°F | 72% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KCIU 221035Z AUTO 00000KT 10SM CLR M16/M20 A3026 RMK AO1 |
| 05:15 EST |  Clear | -15°C / 5°F | -18°C / 0°F | 78% | 1024 mb (30.24 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KCIU 221015Z AUTO 10004KT 10SM CLR M15/M18 A3025 RMK AO1 |
| 04:55 EST |  Clear | -15°C / 5°F | -17°C / 1°F | 85% | 1024 mb (30.24 in) | E 11 kph (E 6.9 mph) | - | 10SM |
| | KCIU 220955Z AUTO 08006KT 10SM CLR M15/M17 A3025 RMK AO1 |
| 04:35 EST |  Clear | -15°C / 5°F | -18°C / 0°F | 78% | 1024 mb (30.24 in) | ENE 11 kph (ENE 6.9 mph) | - | 10SM |
| | KCIU 220935Z AUTO 07006KT 10SM CLR M15/M18 A3025 RMK AO1 |
| 04:15 EST |  Clear | -14°C / 7°F | -17°C / 1°F | 78% | 1024 mb (30.24 in) | ENE 9 kph (ENE 5.8 mph) | - | 10SM |
| | KCIU 220915Z AUTO 07005KT 10SM CLR M14/M17 A3025 RMK AO1 |
| 03:55 EST |  Clear | -16°C / 3°F | -18°C / 0°F | 85% | 1024 mb (30.24 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KCIU 220855Z AUTO 09004KT 10SM CLR M16/M18 A3024 RMK AO1 52017 |
| 03:35 EST |  Clear | -15°C / 5°F | -18°C / 0°F | 78% | 1024 mb (30.24 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KCIU 220835Z AUTO 07004KT 10SM CLR M15/M18 A3024 RMK AO1 |
| 03:15 EST |  Clear | -15°C / 5°F | -17°C / 1°F | 85% | 1024 mb (30.24 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KCIU 220815Z AUTO 06004KT 10SM CLR M15/M17 A3023 RMK AO1 |
| 02:55 EST |  Clear | -16°C / 3°F | -18°C / 0°F | 85% | 1023 mb (30.21 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KCIU 220755Z AUTO 06004KT 10SM CLR M16/M18 A3022 RMK AO1 |
| 02:35 EST |  Clear | -15°C / 5°F | -17°C / 1°F | 85% | 1023 mb (30.21 in) | ENE 9 kph (ENE 5.8 mph) | - | 10SM |
| | KCIU 220735Z AUTO 06005KT 10SM CLR M15/M17 A3022 RMK AO1 |
| 02:15 EST |  Clear | -15°C / 5°F | -17°C / 1°F | 85% | 1023 mb (30.21 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KCIU 220715Z AUTO 06004KT 10SM CLR M15/M17 A3021 RMK AO1 |
| 01:55 EST |  Clear | -14°C / 7°F | -16°C / 3°F | 85% | 1023 mb (30.21 in) | ENE 9 kph (ENE 5.8 mph) | - | 10SM |
| | KCIU 220655Z AUTO 06005KT 10SM CLR M14/M16 A3020 RMK AO1 |
| 01:35 EST |  Clear | -15°C / 5°F | -17°C / 1°F | 85% | 1022 mb (30.18 in) | ENE 9 kph (ENE 5.8 mph) | - | 10SM |
| | KCIU 220635Z AUTO 06005KT 10SM CLR M15/M17 A3019 RMK AO1 |
| 01:15 EST |  Clear | -14°C / 7°F | -18°C / 0°F | 72% | 1022 mb (30.18 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KCIU 220615Z AUTO 06003KT 10SM CLR M14/M18 A3019 RMK AO1 |
| 00:55 EST |  Clear | -13°C / 9°F | -16°C / 3°F | 78% | 1022 mb (30.18 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KCIU 220555Z AUTO 06003KT 10SM CLR M13/M16 A3019 RMK AO1 11090 21140 410901170 52010 |
| 00:35 EST |  Clear | -14°C / 7°F | -17°C / 1°F | 78% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KCIU 220535Z AUTO 00000KT 10SM CLR M14/M17 A3019 RMK AO1 |
| 00:15 EST |  Clear | -13°C / 9°F | -16°C / 3°F | 78% | 1022 mb (30.18 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KCIU 220515Z AUTO 06003KT 10SM CLR M13/M16 A3018 RMK AO1 |