| 22:54 EST |  Partly Cloudy | -3°C / 27°F | -7°C / 19°F | 74% | 1020 mb (30.12 in) | W 7 kph (W 4.6 mph) | - | 10SM |
| | KBWI 220354Z 27004KT 10SM FEW048 M03/M07 A3013 RMK AO2 SLP203 T10331067 |
| 21:54 EST |  Partly Cloudy | 0°C / 32°F | -6°C / 21°F | 64% | 1020 mb (30.12 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KBWI 220254Z 26007KT 10SM FEW048 00/M06 A3011 RMK AO2 SLP198 T00001056 51012 |
| 20:54 EST |  Mostly Cloudy | -1°C / 30°F | -5°C / 23°F | 75% | 1020 mb (30.12 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KBWI 220154Z 26006KT 10SM BKN048 M01/M05 A3011 RMK AO2 SLP196 T10061050 |
| 19:54 EST |  Mostly Cloudy | -1°C / 30°F | -5°C / 23°F | 75% | 1019 mb (30.09 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KBWI 220054Z 26005KT 10SM BKN050 M01/M05 A3009 RMK AO2 SLP192 T10061050 |
| 18:54 EST |  Partly Cloudy | 1°C / 34°F | -6°C / 21°F | 60% | 1019 mb (30.09 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KBWI 212354Z 26005KT 10SM FEW050 SCT110 01/M06 A3008 RMK AO2 SLP187 4/011 T00061056 10033 20000 53015 |
| 17:54 EST |  Partly Cloudy | 1°C / 34°F | -6°C / 21°F | 60% | 1018 mb (30.06 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KBWI 212254Z 27008KT 10SM FEW055 SCT120 01/M06 A3007 RMK AO2 SLP182 T00061061 |
| 16:54 EST |  Partly Cloudy | 1°C / 34°F | -6°C / 21°F | 60% | 1018 mb (30.06 in) | W 17 kph (W 10.4 mph) | - | 10SM |
| | KBWI 212154Z 27009KT 10SM SCT055 01/M06 A3005 RMK AO2 SLP176 T00111056 |
| 15:54 EST |  Partly Cloudy | 3°C / 37°F | -6°C / 21°F | 52% | 1017 mb (30.03 in) | W 20 kph (W 12.7 mph) | - | 10SM |
| | KBWI 212054Z 28011KT 10SM FEW050 SCT150 03/M06 A3003 RMK AO2 SLP171 T00281056 55000 |
| 14:54 EST |  Partly Cloudy | 3°C / 37°F | -6°C / 21°F | 52% | 1017 mb (30.03 in) | W 22 kph (W 13.8 mph) | - | 10SM |
| | KBWI 211954Z 28012G18KT 10SM FEW050 SCT150 03/M06 A3002 RMK AO2 SLP168 T00281056 |
| 13:54 EST |  Partly Cloudy | 3°C / 37°F | -6°C / 21°F | 52% | 1017 mb (30.03 in) | WNW 17 kph (WNW 10.4 mph) | - | 10SM |
| | KBWI 211854Z 29009KT 10SM FEW050 SCT150 03/M06 A3002 RMK AO2 SLP167 T00281061 |
| 12:54 EST |  Partly Cloudy | 2°C / 36°F | -6°C / 21°F | 56% | 1017 mb (30.03 in) | SSW 22 kph (SSW 13.8 mph) | - | 10SM |
| | KBWI 211754Z 26012KT 10SM FEW050 SCT150 SCT200 02/M06 A3003 RMK AO2 SLP172 4/012 T00171061 10022 21039 58018 |
| 11:54 EST |  Mostly Cloudy | 2°C / 36°F | -6°C / 21°F | 56% | 1018 mb (30.06 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KBWI 211654Z 30012KT 10SM FEW050 BKN150 BKN200 02/M06 A3006 RMK AO2 SLP179 T00171061 |
| 10:54 EST |  Partly Cloudy | 1°C / 34°F | -6°C / 21°F | 60% | 1019 mb (30.09 in) | W 20 kph (W 12.7 mph) | - | 10SM |
| | KBWI 211554Z 27011G21KT 10SM FEW150 SCT200 01/M06 A3008 RMK AO2 SLP187 T00061061 |
| 09:54 EST |  Partly Cloudy | 1°C / 34°F | -7°C / 19°F | 56% | 1019 mb (30.09 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KBWI 211454Z 26008KT 10SM FEW150 SCT200 01/M07 A3009 RMK AO2 SLP190 T00061067 53005 |
| 08:54 EST |  Partly Cloudy | -2°C / 28°F | -7°C / 19°F | 69% | 1019 mb (30.09 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KBWI 211354Z 26006KT 10SM FEW150 M02/M07 A3009 RMK AO2 SLP189 T10171072 |
| 07:54 EST |  Partly Cloudy | -3°C / 27°F | -8°C / 18°F | 69% | 1019 mb (30.09 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KBWI 211254Z 25008KT 10SM FEW150 SCT200 M03/M08 A3008 RMK AO2 SLP186 T10281078 |
| 06:54 EST |  Partly Cloudy | -4°C / 25°F | -8°C / 18°F | 74% | 1019 mb (30.09 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KBWI 211154Z 25007KT 10SM FEW043 SCT150 SCT200 M04/M08 A3008 RMK AO2 SLP186 4/013 T10391083 11022 21039 53004 |
| 05:54 EST |  Partly Cloudy | -3°C / 27°F | -8°C / 18°F | 69% | 1018 mb (30.06 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KBWI 211054Z 25007KT 10SM FEW045 SCT200 M03/M08 A3006 RMK AO2 SLP181 T10331083 |
| 04:54 EST |  Mostly Cloudy | -3°C / 27°F | -8°C / 18°F | 69% | 1018 mb (30.06 in) | SSW 17 kph (SSW 10.4 mph) | - | 10SM |
| | KBWI 210954Z 26009KT 10SM FEW150 BKN200 M03/M08 A3006 RMK AO2 SLP179 T10331083 |
| 03:54 EST |  Mostly Cloudy | -3°C / 27°F | -8°C / 18°F | 69% | 1018 mb (30.06 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KBWI 210854Z 26008KT 10SM BKN200 M03/M08 A3006 RMK AO2 SLP181 T10281083 51007 |
| 02:54 EST |  Mostly Cloudy | -3°C / 27°F | -8°C / 18°F | 69% | 1018 mb (30.06 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KBWI 210754Z 25007KT 10SM FEW150 BKN200 M03/M08 A3006 RMK AO2 SLP181 T10331083 |
| 01:54 EST |  Mostly Cloudy | -3°C / 27°F | -9°C / 16°F | 64% | 1018 mb (30.06 in) | W 17 kph (W 10.4 mph) | - | 10SM |
| | KBWI 210654Z 27009KT 10SM FEW100 SCT150 BKN200 M03/M09 A3006 RMK AO2 SLP179 T10331089 |
| 00:54 EST |  Mostly Cloudy | -3°C / 27°F | -8°C / 18°F | 69% | 1017 mb (30.03 in) | W 17 kph (W 10.4 mph) | - | 10SM |
| | KBWI 210554Z 27009G18KT 10SM FEW150 BKN200 M03/M08 A3004 RMK AO2 SLP174 4/013 T10281083 11011 21033 51004 |