| 12:54 EST |  Overcast Light Snow | 1°C / 34°F | -1°C / 30°F | 87% | 1014 mb (29.94 in) | NNE 17 kph (NNE 10.4 mph) | 0.00 mm (0.00 in) | 1SM |
| | KORH 051754Z 02009KT 1SM R11/5000VP6000FT -SN BR OVC015 01/M01 A2995 RMK AO2 SFC VIS 1 1/4 SLP152 P0000 60000 T00111011 10033 20011 58044 |
| 12:45 EST |  Overcast Light Snow | 2°C / 36°F | -1°C / 30°F | 81% | 1015 mb (29.97 in) | NE 17 kph (NE 10.4 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KORH 051745Z 03009G18KT 1 3/4SM R11/5000VP6000FT -SN OVC017 02/M01 A2996 RMK AO2 TWR VIS 2 P0000 |
| 11:54 EST |  Overcast Light Snow | 2°C / 36°F | -2°C / 28°F | 75% | 1016 mb (30 in) | NE 13 kph (NE 8.1 mph) | 0.00 mm (0.00 in) | 8SM |
| | KORH 051654Z 03007G15KT 8SM -SN BKN019 OVC024 02/M02 A2999 RMK AO2 SNB22 SLP165 P0000 T00221017 |
| 11:42 EST |  Overcast Light Snow | 2°C / 36°F | -2°C / 28°F | 75% | 1016 mb (30 in) | NE 13 kph (NE 8.1 mph) | 0.00 mm (0.00 in) | 9SM |
| | KORH 051642Z 04007KT 9SM -SN FEW019 BKN024 OVC036 02/M02 A2999 RMK AO2 SNB22 P0000 |
| 10:54 EST |  Partly Cloudy | 3°C / 37°F | -3°C / 27°F | 65% | 1018 mb (30.06 in) | NE 11 kph (NE 6.9 mph) | - | 10SM |
| | KORH 051554Z 04006KT 10SM FEW041 03/M03 A3005 RMK AO2 SLP185 T00331033 |
| 09:54 EST |  Partly Cloudy | 3°C / 37°F | -4°C / 25°F | 60% | 1019 mb (30.09 in) | NE 17 kph (NE 10.4 mph) | - | 10SM |
| | KORH 051454Z 04009KT 10SM FEW075 03/M04 A3009 RMK AO2 SLP197 T00281039 58010 |
| 08:54 EST |  Mostly Cloudy | 3°C / 37°F | -4°C / 25°F | 60% | 1020 mb (30.12 in) | NE 11 kph (NE 6.9 mph) | - | 10SM |
| | KORH 051354Z 04006KT 10SM BKN070 03/M04 A3011 RMK AO2 SLP207 T00281039 |
| 07:54 EST |  Partly Cloudy | 3°C / 37°F | -4°C / 25°F | 60% | 1019 mb (30.09 in) | NE 13 kph (NE 8.1 mph) | - | 10SM |
| | KORH 051254Z 03007KT 10SM SCT080 03/M04 A3010 RMK AO2 SLP203 T00281039 |
| 06:54 EST |  Partly Cloudy | 3°C / 37°F | -4°C / 25°F | 60% | 1020 mb (30.12 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KORH 051154Z 03005KT 10SM FEW120 03/M04 A3012 RMK AO2 SLP208 T00281039 10050 20028 56002 |
| 05:54 EST |  Clear | 3°C / 37°F | -4°C / 25°F | 60% | 1020 mb (30.12 in) | NE 11 kph (NE 6.9 mph) | - | 10SM |
| | KORH 051054Z AUTO 03006KT 10SM CLR 03/M04 A3012 RMK AO2 SLP209 T00331044 |
| 04:54 EST |  Clear | 3°C / 37°F | -4°C / 25°F | 60% | 1020 mb (30.12 in) | NNE 7 kph (NNE 4.6 mph) | - | 10SM |
| | KORH 050954Z AUTO 02004KT 10SM CLR 03/M04 A3012 RMK AO2 SLP207 T00331039 |
| 03:54 EST |  Clear | 4°C / 39°F | -4°C / 25°F | 56% | 1020 mb (30.12 in) | NNE 6 kph (NNE 3.5 mph) | - | 10SM |
| | KORH 050854Z AUTO 02003KT 10SM CLR 04/M04 A3012 RMK AO2 SLP209 T00391039 56002 |
| 02:54 EST |  Clear | 4°C / 39°F | -4°C / 25°F | 56% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KORH 050754Z AUTO 00000KT 10SM CLR 04/M04 A3013 RMK AO2 SLP209 T00441039 |
| 01:54 EST |  Clear | 4°C / 39°F | -4°C / 25°F | 56% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KORH 050654Z AUTO 00000KT 10SM CLR 04/M04 A3012 RMK AO2 SLP207 T00441039 |
| 00:54 EST |  Clear | 4°C / 39°F | -4°C / 25°F | 56% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KORH 050554Z AUTO 00000KT 10SM CLR 04/M04 A3013 RMK AO2 SLP210 T00441044 10061 20033 55005 |