| 19:56 EST |  Clear | -6°C / 21°F | -13°C / 9°F | 58% | 1021 mb (30.15 in) | NNW 30 kph (NNW 18.4 mph) | - | 10SM |
| | KGON 240056Z 33016KT 10SM CLR M06/M13 A3014 RMK AO2 PK WND 34029/0031 SLP204 T10611128 |
| 18:56 EST |  Mostly Cloudy | -5°C / 23°F | -12°C / 10°F | 58% | 1020 mb (30.12 in) | NW 33 kph (NW 20.7 mph) | - | 10SM |
| | KGON 232356Z 32018G26KT 10SM BKN040 M05/M12 A3013 RMK AO2 PK WND 29027/2335 SLP201 T10501117 11028 21050 53015 |
| 17:56 EST |  Overcast | -4°C / 25°F | -12°C / 10°F | 54% | 1020 mb (30.12 in) | NW 30 kph (NW 18.4 mph) | - | 10SM |
| | KGON 232256Z 32016G26KT 10SM OVC048 M04/M12 A3011 RMK AO2 PK WND 32026/2247 SLP195 T10391117 |
| 16:56 EST |  Overcast | -3°C / 27°F | -12°C / 10°F | 50% | 1019 mb (30.09 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KGON 232156Z 30009KT 10SM OVC050 M03/M12 A3010 RMK AO2 SLP192 T10331117 |
| 15:56 EST |  Mostly Cloudy | -3°C / 27°F | -12°C / 10°F | 50% | 1019 mb (30.09 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KGON 232056Z 30011G17KT 10SM BKN050 M03/M12 A3008 RMK AO2 SLP186 T10281122 53005 |
| 14:56 EST |  Clear | -3°C / 27°F | -12°C / 10°F | 50% | 1018 mb (30.06 in) | NW 32 kph (NW 19.6 mph) | - | 10SM |
| | KGON 231956Z 32017KT 10SM CLR M03/M12 A3006 RMK AO2 SLP180 T10281122 |
| 13:56 EST |  Clear | -3°C / 27°F | -13°C / 9°F | 46% | 1018 mb (30.06 in) | NW 35 kph (NW 21.9 mph) | - | 10SM |
| | KGON 231856Z 32019G29KT 10SM CLR M03/M13 A3005 RMK AO2 PK WND 32029/1853 SLP176 T10281128 |
| 12:56 EST |  Partly Cloudy | -3°C / 27°F | -13°C / 9°F | 46% | 1018 mb (30.06 in) | WNW 30 kph (WNW 18.4 mph) | - | 10SM |
| | KGON 231756Z 29016G22KT 10SM FEW030 M03/M13 A3007 RMK AO2 SLP181 T10331128 11033 21083 56029 |
| 11:56 EST |  Clear | -4°C / 25°F | -13°C / 9°F | 50% | 1019 mb (30.09 in) | NNW 22 kph (NNW 13.8 mph) | - | 10SM |
| | KGON 231656Z 33012G18KT 10SM CLR M04/M13 A3009 RMK AO2 SLP189 T10391128 |
| 10:56 EST |  Clear | -5°C / 23°F | -13°C / 9°F | 54% | 1020 mb (30.12 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KGON 231556Z 30011G21KT 10SM CLR M05/M13 A3013 RMK AO2 SLP202 T10501133 |
| 09:56 EST |  Clear | -6°C / 21°F | -13°C / 9°F | 58% | 1021 mb (30.15 in) | WNW 15 kph (WNW 9.2 mph) | - | 10SM |
| | KGON 231456Z 29008KT 10SM CLR M06/M13 A3015 RMK AO2 SLP211 T10611128 51007 |
| 08:56 EST |  Clear | -7°C / 19°F | -13°C / 9°F | 63% | 1021 mb (30.15 in) | W 20 kph (W 12.7 mph) | - | 10SM |
| | KGON 231356Z 28011KT 10SM CLR M07/M13 A3015 RMK AO2 SLP211 T10721133 |
| 07:56 EST |  Clear | -8°C / 18°F | -13°C / 9°F | 68% | 1021 mb (30.15 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KGON 231256Z 28008KT 10SM CLR M08/M13 A3014 RMK AO2 SLP207 T10781133 |
| 06:56 EST |  Clear | -8°C / 18°F | -14°C / 7°F | 62% | 1020 mb (30.12 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KGON 231156Z AUTO 26007KT 10SM CLR M08/M14 A3013 RMK AO2 SLP204 T10831139 11072 21089 53006 |
| 05:56 EST |  Clear | -8°C / 18°F | -14°C / 7°F | 62% | 1020 mb (30.12 in) | W 20 kph (W 12.7 mph) | - | 10SM |
| | KGON 231056Z AUTO 28011KT 10SM CLR M08/M14 A3012 RMK AO2 SLP199 T10831139 |
| 04:56 EST |  Clear | -8°C / 18°F | -14°C / 7°F | 62% | 1020 mb (30.12 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KGON 230956Z AUTO 28008KT 10SM CLR M08/M14 A3011 RMK AO2 SLP196 T10831139 |
| 03:56 EST |  Clear | -8°C / 18°F | -13°C / 9°F | 68% | 1020 mb (30.12 in) | W 13 kph (W 8.1 mph) | - | 10SM |
| | KGON 230856Z AUTO 27007KT 10SM CLR M08/M13 A3012 RMK AO2 SLP198 T10831133 50003 |
| 02:56 EST |  Clear | -8°C / 18°F | -13°C / 9°F | 68% | 1020 mb (30.12 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KGON 230756Z AUTO 27005KT 10SM CLR M08/M13 A3012 RMK AO2 SLP198 T10781133 |
| 01:56 EST |  Clear | -7°C / 19°F | -13°C / 9°F | 63% | 1020 mb (30.12 in) | W 13 kph (W 8.1 mph) | - | 10SM |
| | KGON 230656Z AUTO 28007KT 10SM CLR M07/M13 A3012 RMK AO2 SLP198 T10721133 |
| 00:56 EST |  Clear | -7°C / 19°F | -13°C / 9°F | 63% | 1020 mb (30.12 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KGON 230556Z AUTO 30011KT 10SM CLR M07/M13 A3011 RMK AO2 SLP195 T10721133 11022 21072 58001 |