| 18:54 EST |  Clear | 6°C / 43°F | -4°C / 25°F | 49% | 1020 mb (30.12 in) | W 7 kph (W 4.6 mph) | - | 10SM |
| | KORH 042354Z 27004KT 10SM CLR 06/M04 A3012 RMK AO2 SLP207 T00561044 10089 20044 52009 |
| 17:54 EST |  Clear | 6°C / 43°F | -4°C / 25°F | 49% | 1020 mb (30.12 in) | W 7 kph (W 4.6 mph) | - | 10SM |
| | KORH 042254Z 28004KT 10SM CLR 06/M04 A3011 RMK AO2 SLP203 T00561039 |
| 16:54 EST |  Clear | 6°C / 43°F | -4°C / 25°F | 49% | 1019 mb (30.09 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KORH 042154Z 27003KT 10SM CLR 06/M04 A3010 RMK AO2 SLP202 T00611039 |
| 15:54 EST |  Clear | 7°C / 45°F | -4°C / 25°F | 46% | 1019 mb (30.09 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KORH 042054Z 26004KT 10SM CLR 07/M04 A3009 RMK AO2 SLP197 T00721039 53015 |
| 14:54 EST |  Clear | 8°C / 46°F | -3°C / 27°F | 46% | 1018 mb (30.06 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KORH 041954Z 24007KT 10SM CLR 08/M03 A3005 RMK AO2 SLP182 T00831033 |
| 13:54 EST |  Clear | 8°C / 46°F | -3°C / 27°F | 46% | 1018 mb (30.06 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KORH 041854Z 25007KT 10SM CLR 08/M03 A3005 RMK AO2 SLP183 T00831028 |
| 12:54 EST |  Clear | 8°C / 46°F | -3°C / 27°F | 46% | 1018 mb (30.06 in) | Variable 7 kph (Variable 4.6 mph) | - | 10SM |
| | KORH 041754Z VRB04KT 10SM CLR 08/M03 A3005 RMK AO2 SLP181 T00781028 10083 20044 56006 |
| 11:54 EST |  Clear | 8°C / 46°F | -3°C / 27°F | 46% | 1018 mb (30.06 in) | W 13 kph (W 8.1 mph) | - | 10SM |
| | KORH 041654Z 28007KT 10SM CLR 08/M03 A3005 RMK AO2 SLP183 T00781028 |
| 10:54 EST |  Clear | 7°C / 45°F | -2°C / 28°F | 53% | 1018 mb (30.06 in) | Variable 9 kph (Variable 5.8 mph) | - | 10SM |
| | KORH 041554Z VRB05KT 10SM CLR 07/M02 A3005 RMK AO2 SLP182 T00721022 |
| 09:54 EST |  Clear | 7°C / 45°F | -2°C / 28°F | 53% | 1018 mb (30.06 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KORH 041454Z 26006G14KT 10SM CLR 07/M02 A3006 RMK AO2 SLP187 T00671022 53034 |
| 08:54 EST |  Clear | 6°C / 43°F | -2°C / 28°F | 57% | 1017 mb (30.03 in) | WNW 20 kph (WNW 12.7 mph) | - | 10SM |
| | KORH 041354Z 29011G18KT 10SM CLR 06/M02 A3004 RMK AO2 SLP177 T00561017 |
| 07:54 EST |  Clear | 5°C / 41°F | -1°C / 30°F | 66% | 1016 mb (30 in) | W 13 kph (W 8.1 mph) | - | 10SM |
| | KORH 041254Z 28007KT 10SM CLR 05/M01 A2999 RMK AO2 SLP160 T00501011 |
| 06:54 EST |  Clear | 4°C / 39°F | -1°C / 30°F | 70% | 1015 mb (29.97 in) | WNW 15 kph (WNW 9.2 mph) | - | 10SM |
| | KORH 041154Z 29008KT 10SM CLR 04/M01 A2996 RMK AO2 SLP151 70003 T00441006 10067 20044 53020 |
| 05:54 EST |  Clear | 5°C / 41°F | -1°C / 30°F | 66% | 1014 mb (29.94 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KORH 041054Z AUTO 27005KT 10SM CLR 05/M01 A2994 RMK AO2 SLP145 T00501006 |
| 04:54 EST |  Clear | 5°C / 41°F | -1°C / 30°F | 66% | 1013 mb (29.91 in) | WNW 15 kph (WNW 9.2 mph) | - | 10SM |
| | KORH 040954Z AUTO 29008KT 10SM CLR 05/M01 A2991 RMK AO2 SLP134 T00501006 |
| 03:54 EST |  Overcast | 7°C / 45°F | 1°C / 34°F | 66% | 1013 mb (29.91 in) | W 13 kph (W 8.1 mph) | - | 10SM |
| | KORH 040854Z AUTO 28007KT 10SM OVC033 07/01 A2990 RMK AO2 SLP129 T00670006 51029 |
| 02:54 EST |  Overcast | 7°C / 45°F | 1°C / 34°F | 66% | 1012 mb (29.88 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KORH 040754Z AUTO 31012KT 10SM OVC031 07/01 A2987 RMK AO2 SLP119 T00670006 |
| 02:27 EST |  Overcast | 7°C / 45°F | 0°C / 32°F | 61% | 1011 mb (29.85 in) | W 17 kph (W 10.4 mph) | - | 10SM |
| | KORH 040727Z AUTO 28009G17KT 10SM OVC031 07/00 A2986 RMK AO2 |
| 00:54 EST |  Clear | 6°C / 43°F | 1°C / 34°F | 71% | 1009 mb (29.8 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KORH 040554Z AUTO 30010KT 10SM CLR 06/01 A2981 RMK AO2 SLP097 T00610011 10128 20061 51026 |