| 16:53 EST |  Overcast | 3°C / 37°F | -3°C / 27°F | 65% | 1014 mb (29.94 in) | WNW 17 kph (WNW 10.4 mph) | - | 10SM |
| | KOSU 272153Z 29009KT 10SM OVC035 03/M03 A2995 RMK AO2 SLP150 T00281033 |
| 15:53 EST |  Overcast | 3°C / 37°F | -3°C / 27°F | 65% | 1014 mb (29.94 in) | NW 28 kph (NW 17.3 mph) | - | 10SM |
| | KOSU 272053Z 30015G19KT 10SM OVC035 03/M03 A2993 RMK AO2 SLP143 T00281033 53007 |
| 14:53 EST |  Overcast | 3°C / 37°F | -3°C / 27°F | 65% | 1013 mb (29.91 in) | WNW 19 kph (WNW 11.5 mph) | - | 10SM |
| | KOSU 271953Z 29010KT 10SM OVC037 03/M03 A2991 RMK AO2 SLP135 T00281028 |
| 13:53 EST |  Mostly Cloudy | 3°C / 37°F | -3°C / 27°F | 65% | 1013 mb (29.91 in) | W 20 kph (W 12.7 mph) | - | 10SM |
| | KOSU 271853Z 27011G18KT 10SM FEW028 BKN039 BKN047 03/M03 A2991 RMK AO2 SLP134 T00281028 |
| 12:53 EST |  Overcast | 2°C / 36°F | -3°C / 27°F | 70% | 1013 mb (29.91 in) | W 28 kph (W 17.3 mph) | - | 10SM |
| | KOSU 271753Z 28015G20KT 10SM FEW027 OVC034 02/M03 A2991 RMK AO2 SLP134 60000 T00221028 10028 20000 58001 |
| 12:22 EST |  Overcast | 2°C / 36°F | -2°C / 28°F | 75% | 1013 mb (29.91 in) | WNW 22 kph (WNW 13.8 mph) | - | 10SM |
| | KOSU 271722Z 29012G18KT 10SM SCT027 OVC034 02/M02 A2991 RMK AO2 |
| 12:10 EST |  Overcast | 2°C / 36°F | -2°C / 28°F | 75% | 1013 mb (29.91 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KOSU 271710Z 30012KT 10SM BKN029 OVC036 02/M02 A2992 RMK AO2 |
| 12:00 EST |  Overcast | 2°C / 36°F | -2°C / 28°F | 75% | 1013 mb (29.91 in) | WNW 20 kph (WNW 12.7 mph) | - | 10SM |
| | KOSU 271700Z 29011G19KT 10SM BKN030 OVC034 02/M02 A2992 RMK AO2 |
| 11:53 EST |  Overcast | 2°C / 36°F | -2°C / 28°F | 75% | 1013 mb (29.91 in) | NW 24 kph (NW 15 mph) | - | 10SM |
| | KOSU 271653Z 30013KT 10SM BKN029 OVC036 02/M02 A2991 RMK AO2 SLP136 T00221022 |
| 10:53 EST |  Overcast | 2°C / 36°F | -1°C / 30°F | 81% | 1013 mb (29.91 in) | WNW 26 kph (WNW 16.1 mph) | 0.00 mm (0.00 in) | 8SM |
| | KOSU 271553Z 29014G18KT 8SM BKN022 OVC029 02/M01 A2992 RMK AO2 SNE07 SLP139 P0000 T00171011 |
| 09:53 EST |  Overcast Light Snow | 1°C / 34°F | -2°C / 28°F | 81% | 1013 mb (29.91 in) | WNW 24 kph (WNW 15 mph) | 0.00 mm (0.00 in) | 3SM |
| | KOSU 271453Z 29013KT 3SM -SN BR BKN019 OVC025 01/M02 A2991 RMK AO2 SLP137 P0000 60000 T00061017 53014 |
| 08:53 EST |  Overcast Light Snow | 1°C / 34°F | -1°C / 30°F | 87% | 1012 mb (29.88 in) | W 20 kph (W 12.7 mph) | 0.00 mm (0.00 in) | 3SM |
| | KOSU 271353Z 27011KT 3SM -SN BR SCT017 BKN025 OVC032 01/M01 A2989 RMK AO2 SLP130 P0000 T00061011 |
| 08:01 EST |  Overcast Light Snow | 0°C / 32°F | -2°C / 28°F | 87% | 1012 mb (29.88 in) | W 19 kph (W 11.5 mph) | 0.00 mm (0.00 in) | 3SM |
| | KOSU 271301Z 28010KT 3SM -SN BR OVC020 00/M02 A2989 RMK AO2 P0000 |
| 07:53 EST |  Overcast Light Snow | 0°C / 32°F | -2°C / 28°F | 87% | 1012 mb (29.88 in) | W 20 kph (W 12.7 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KOSU 271253Z 28011KT 2 1/2SM -SN BR OVC020 00/M02 A2989 RMK AO2 RAB1155E11UPB11E16SNB16 SLP128 P0000 T00001017 |
| 06:53 EST |  Overcast | 1°C / 34°F | -2°C / 28°F | 81% | 1012 mb (29.88 in) | W 24 kph (W 15 mph) | 0.00 mm (0.00 in) | 10SM |
| | KOSU 271153Z 27013G20KT 10SM BKN015 BKN022 OVC040 01/M02 A2987 RMK AO2 RAE26B45E53UPB26E45 SLP123 P0000 60000 70003 T00061017 10039 20000 53008 |
| 06:26 EST |  Overcast Unknown Precip | 0°C / 32°F | -1°C / 30°F | 93% | 1012 mb (29.88 in) | W 28 kph (W 17.3 mph) | 0.00 mm (0.00 in) | 9SM |
| | KOSU 271126Z AUTO 27015G20KT 9SM UP FEW008 BKN017 OVC031 00/M01 A2987 RMK AO2 RAE26UPB26 P0000 |
| 06:00 EST |  Overcast Light Rain | 1°C / 34°F | -1°C / 30°F | 87% | 1012 mb (29.88 in) | W 20 kph (W 12.7 mph) | 0.00 mm (0.00 in) | 7SM |
| | KOSU 271100Z AUTO 28011G19KT 7SM -RA FEW010 BKN014 OVC024 01/M01 A2987 RMK AO2 P0000 |
| 05:53 EST |  Overcast Light Rain | 1°C / 34°F | -1°C / 30°F | 87% | 1011 mb (29.85 in) | W 20 kph (W 12.7 mph) | 0.00 mm (0.00 in) | 7SM |
| | KOSU 271053Z AUTO 27011KT 7SM -RA SCT010 BKN015 OVC022 01/M01 A2986 RMK AO2 RAB04UPB44E52 SLP120 P0000 T00061006 |
| 05:13 EST |  Overcast Light Rain | 1°C / 34°F | -1°C / 30°F | 87% | 1011 mb (29.85 in) | W 33 kph (W 20.7 mph) | 0.00 mm (0.00 in) | 5SM |
| | KOSU 271013Z AUTO 27018G21KT 5SM -RA BR OVC014 01/M01 A2986 RMK AO2 RAB04 P0000 |
| 04:53 EST |  Overcast | 1°C / 34°F | -1°C / 30°F | 87% | 1011 mb (29.85 in) | W 24 kph (W 15 mph) | 0.00 mm (0.00 in) | 10SM |
| | KOSU 270953Z AUTO 28013G19KT 10SM BKN016 OVC024 01/M01 A2985 RMK AO2 RAB0859E22 SLP116 P0000 T00111006 |
| 04:06 EST |  Overcast Light Rain | 1°C / 34°F | -1°C / 30°F | 87% | 1011 mb (29.85 in) | W 32 kph (W 19.6 mph) | 0.00 mm (0.00 in) | 10SM |
| | KOSU 270906Z AUTO 27017G24KT 10SM -RA OVC016 01/M01 A2985 RMK AO2 RAB0859 P0000 |
| 03:53 EST |  Overcast | 1°C / 34°F | -1°C / 30°F | 87% | 1011 mb (29.85 in) | W 37 kph (W 23 mph) | 0.00 mm (0.00 in) | 10SM |
| | KOSU 270853Z AUTO 27020G29KT 10SM OVC014 01/M01 A2985 RMK AO2 PK WND 27029/0847 UPB0758E19RAB19E44SNB01E10 SLP114 P0000 60000 T00111006 51006 |
| 02:53 EST |  Overcast | 2°C / 36°F | 1°C / 34°F | 93% | 1010 mb (29.83 in) | W 26 kph (W 16.1 mph) | - | 10SM |
| | KOSU 270753Z AUTO 27014G22KT 10SM BKN014 OVC046 02/01 A2984 RMK AO2 SLP111 T00220006 |
| 02:36 EST |  Overcast | 3°C / 37°F | 1°C / 34°F | 87% | 1010 mb (29.83 in) | W 30 kph (W 18.4 mph) | - | 10SM |
| | KOSU 270736Z AUTO 28016G22KT 10SM SCT016 BKN021 OVC046 03/01 A2984 RMK AO2 |
| 01:53 EST |  Overcast | 3°C / 37°F | 1°C / 34°F | 87% | 1010 mb (29.83 in) | W 26 kph (W 16.1 mph) | 0.00 mm (0.00 in) | 8SM |
| | KOSU 270653Z AUTO 27014G22KT 8SM OVC014 03/01 A2984 RMK AO2 RAB18E28 SLP109 P0000 T00280011 |
| 00:53 EST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1010 mb (29.83 in) | W 26 kph (W 16.1 mph) | 0.00 mm (0.00 in) | 8SM |
| | KOSU 270553Z AUTO 28014G23KT 8SM BKN014 OVC021 04/02 A2983 RMK AO2 RAE51 SLP107 P0000 60003 T00390022 10039 20028 55001 |
| 00:03 EST |  Overcast Light Rain | 4°C / 39°F | 3°C / 37°F | 93% | 1010 mb (29.83 in) | W 26 kph (W 16.1 mph) | 0.00 mm (0.00 in) | 7SM |
| | KOSU 270503Z AUTO 27014G19KT 7SM -RA BKN014 OVC019 04/03 A2983 RMK AO2 P0000 |