| 11:56 EST |  Clear | -2°C / 28°F | -14°C / 7°F | 40% | 1016 mb (30 in) | NW 28 kph (NW 17.3 mph) | - | 10SM |
| | KGON 221656Z 31015KT 10SM CLR M02/M14 A2999 RMK AO2 SLP154 T10201139 $ |
| 10:56 EST |  Clear | -3°C / 27°F | -14°C / 7°F | 43% | 1016 mb (30 in) | NW 28 kph (NW 17.3 mph) | - | 10SM |
| | KGON 221556Z 31015G20KT 10SM CLR M03/M14 A3000 RMK AO2 SLP157 T10301139 $ |
| 09:56 EST |  Clear | -4°C / 25°F | -13°C / 9°F | 50% | 1016 mb (30 in) | NNW 30 kph (NNW 18.4 mph) | - | 10SM |
| | KGON 221456Z 33016G20KT 10SM CLR M04/M13 A3000 RMK AO2 SLP158 T10401133 50005 $ |
| 08:56 EST |  Clear | -5°C / 23°F | -13°C / 9°F | 54% | 1016 mb (30 in) | NW 26 kph (NW 16.1 mph) | - | 10SM |
| | KGON 221356Z 31014KT 10SM CLR M05/M13 A3001 RMK AO2 SLP162 T10501133 $ |
| 07:56 EST |  Clear | -5°C / 23°F | -13°C / 9°F | 54% | 1016 mb (30 in) | WNW 19 kph (WNW 11.5 mph) | - | 10SM |
| | KGON 221256Z 29010KT 10SM CLR M05/M13 A3000 RMK AO2 SLP159 T10501133 $ |
| 06:56 EST |  Clear | N/A | N/A | N/A | 1015 mb (29.97 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KGON 221156Z AUTO 31011KT 10SM CLR A2998 RMK AO2 SLP153 52017 $ |
| 05:56 EST |  Clear | N/A | N/A | N/A | 1015 mb (29.97 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KGON 221056Z AUTO 30011KT 10SM CLR A2997 RMK AO2 SLP150 $ |
| 04:56 EST |  Clear | N/A | N/A | N/A | 1014 mb (29.94 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KGON 220956Z AUTO 30011KT 10SM CLR A2994 RMK AO2 SLP140 $ |
| 03:56 EST |  Clear | N/A | N/A | N/A | 1014 mb (29.94 in) | WNW 17 kph (WNW 10.4 mph) | - | 10SM |
| | KGON 220856Z AUTO 29009KT 10SM CLR A2993 RMK AO2 SLP136 52017 $ |
| 02:56 EST |  Clear | N/A | N/A | N/A | 1013 mb (29.91 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KGON 220756Z AUTO 31011KT 10SM CLR A2991 RMK AO2 SLP130 $ |
| 01:56 EST |  Clear | N/A | N/A | N/A | 1013 mb (29.91 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KGON 220656Z AUTO 31010KT 10SM CLR A2990 RMK AO2 SLP126 $ |
| 00:56 EST |  Clear | N/A | N/A | N/A | 1012 mb (29.88 in) | NW 24 kph (NW 15 mph) | - | 10SM |
| | KGON 220556Z AUTO 31013KT 10SM CLR A2988 RMK AO2 SLP120 51019 $ |