| 07:56 EST |  Clear | -3°C / 27°F | -5°C / 23°F | 86% | 1030 mb (30.42 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KGON 251256Z 36005KT 10SM CLR M03/M05 A3043 RMK AO2 SLP304 T10331050 |
| 06:56 EST |  Clear | -4°C / 25°F | -6°C / 21°F | 86% | 1031 mb (30.45 in) | N 7 kph (N 4.6 mph) | - | 9SM |
| | KGON 251156Z 01004KT 9SM CLR M04/M06 A3045 RMK AO2 SLP312 T10441056 11022 21044 53007 |
| 05:56 EST |  Clear | -3°C / 27°F | -5°C / 23°F | 86% | 1031 mb (30.45 in) | N 11 kph (N 6.9 mph) | - | 10SM |
| | KGON 251056Z AUTO 36006KT 10SM CLR M03/M05 A3044 RMK AO2 SLP306 T10331050 |
| 05:34 EST |  Partly Cloudy | -3°C / 27°F | -4°C / 25°F | 93% | 1031 mb (30.45 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KGON 251034Z AUTO 01003KT 10SM SCT025 M03/M04 A3044 RMK AO2 |
| 04:56 EST |  Overcast | -3°C / 27°F | -4°C / 25°F | 93% | 1030 mb (30.42 in) | N 13 kph (N 8.1 mph) | - | 10SM |
| | KGON 250956Z AUTO 01007KT 10SM OVC025 M03/M04 A3043 RMK AO2 SLP304 T10281044 |
| 03:56 EST |  Mostly Cloudy | -3°C / 27°F | -4°C / 25°F | 93% | 1030 mb (30.42 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KGON 250856Z AUTO 01004KT 10SM BKN027 M03/M04 A3043 RMK AO2 SLP305 T10281044 58000 |
| 03:52 EST |  Mostly Cloudy | -3°C / 27°F | -4°C / 25°F | 93% | 1030 mb (30.42 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KGON 250852Z AUTO 01005KT 10SM BKN027 M03/M04 A3043 RMK AO2 |
| 02:56 EST |  Clear | -3°C / 27°F | -4°C / 25°F | 93% | 1031 mb (30.45 in) | Calm | - | 10SM |
| | KGON 250756Z AUTO 00000KT 10SM CLR M03/M04 A3044 RMK AO2 SLP308 T10331044 |
| 02:15 EST |  Partly Cloudy | -4°C / 25°F | -6°C / 21°F | 86% | 1030 mb (30.42 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KGON 250715Z AUTO 01003KT 10SM SCT027 M04/M06 A3043 RMK AO2 |
| 01:56 EST |  Overcast | -4°C / 25°F | -5°C / 23°F | 93% | 1030 mb (30.42 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KGON 250656Z AUTO 35003KT 10SM OVC027 M04/M05 A3043 RMK AO2 SLP305 T10391050 |
| 01:35 EST |  Mostly Cloudy | -3°C / 27°F | -4°C / 25°F | 93% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KGON 250635Z AUTO 00000KT 10SM BKN027 M03/M04 A3043 RMK AO2 |
| 00:56 EST |  Clear | -3°C / 27°F | -4°C / 25°F | 93% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KGON 250556Z AUTO 00000KT 10SM CLR M03/M04 A3043 RMK AO2 SLP305 T10331044 10022 21050 50002 |