| 14:54 EST |  Mostly Cloudy | 3°C / 37°F | -9°C / 16°F | 41% | 1023 mb (30.21 in) | W 28 kph (W 17.3 mph) | - | 10SM |
| | KSYR 061954Z 28015G19KT 10SM FEW049 SCT060 BKN150 03/M09 A3021 RMK AO2 SLP230 T00281089 |
| 13:54 EST |  Mostly Cloudy | 2°C / 36°F | -8°C / 18°F | 48% | 1023 mb (30.21 in) | WNW 32 kph (WNW 19.6 mph) | - | 10SM |
| | KSYR 061854Z 29017G22KT 10SM FEW046 SCT065 BKN150 02/M08 A3021 RMK AO2 SLP233 T00221083 |
| 12:54 EST |  Overcast | 2°C / 36°F | -8°C / 18°F | 48% | 1023 mb (30.21 in) | W 22 kph (W 13.8 mph) | 0.00 mm (0.00 in) | 10SM |
| | KSYR 061754Z 28012KT 10SM OVC060 02/M08 A3021 RMK AO2 SNE1658 SLP232 931000 P0000 60000 T00171078 10022 21017 55001 |
| 11:54 EST |  Overcast Light Snow | 2°C / 36°F | -7°C / 19°F | 52% | 1023 mb (30.21 in) | NW 32 kph (NW 19.6 mph) | 0.00 mm (0.00 in) | 9SM |
| | KSYR 061654Z 30017KT 9SM -SN BKN050 OVC070 02/M07 A3021 RMK AO2 SLP229 P0000 T00171072 |
| 10:54 EST |  Overcast Light Snow | 1°C / 34°F | -7°C / 19°F | 56% | 1023 mb (30.21 in) | NW 26 kph (NW 16.1 mph) | 0.00 mm (0.00 in) | 9SM |
| | KSYR 061554Z 30014G21KT 9SM -SN FEW042 BKN060 OVC150 01/M07 A3021 RMK AO2 SNB31 SLP232 P0000 T00111067 |
| 09:54 EST |  Mostly Cloudy | 0°C / 32°F | -6°C / 21°F | 64% | 1023 mb (30.21 in) | W 22 kph (W 13.8 mph) | 0.00 mm (0.00 in) | 9SM |
| | KSYR 061454Z 28012G17KT 9SM FEW050 SCT070 BKN150 00/M06 A3021 RMK AO2 SNE50 SLP233 P0000 60000 T00001061 51021 |
| 09:19 EST |  Overcast Light Snow | -1°C / 30°F | -6°C / 21°F | 69% | 1023 mb (30.21 in) | W 30 kph (W 18.4 mph) | 0.00 mm (0.00 in) | 5SM |
| | KSYR 061419Z 27016KT 5SM -SN BKN033 BKN043 OVC075 M01/M06 A3021 RMK AO2 P0000 |
| 08:54 EST |  Overcast Light Snow | -1°C / 30°F | -6°C / 21°F | 69% | 1023 mb (30.21 in) | W 30 kph (W 18.4 mph) | 0.00 mm (0.00 in) | 4SM |
| | KSYR 061354Z 28016G19KT 4SM -SN BKN023 OVC042 M01/M06 A3020 RMK AO2 SNE1256B12 SLP229 P0000 T10111061 |
| 08:42 EST |  Overcast Light Snow | -1°C / 30°F | -7°C / 19°F | 64% | 1023 mb (30.21 in) | W 22 kph (W 13.8 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KSYR 061342Z 28012G20KT 1 1/2SM -SN OVC023 M01/M07 A3020 RMK AO2 SNE1256B12 P0000 |
| 08:38 EST |  Overcast Light Snow | -1°C / 30°F | -7°C / 19°F | 64% | 1023 mb (30.21 in) | WNW 30 kph (WNW 18.4 mph) | 0.00 mm (0.00 in) | 2SM |
| | KSYR 061338Z 29016G20KT 2SM -SN OVC025 M01/M07 A3020 RMK AO2 SNE1256B12 P0000 |
| 07:54 EST |  Overcast Light Snow | -1°C / 30°F | -7°C / 19°F | 64% | 1022 mb (30.18 in) | WNW 26 kph (WNW 16.1 mph) | 0.00 mm (0.00 in) | 9SM |
| | KSYR 061254Z 29014KT 9SM -SN OVC060 M01/M07 A3018 RMK AO2 SLP220 P0000 T10111067 |
| 06:54 EST |  Overcast Light Snow | -1°C / 30°F | -7°C / 19°F | 64% | 1021 mb (30.15 in) | W 24 kph (W 15 mph) | 0.00 mm (0.00 in) | 9SM |
| | KSYR 061154Z 28013KT 9SM -SN BKN040 OVC049 M01/M07 A3015 RMK AO2 SLP212 931001 P0000 60000 T10061072 11006 21017 53019 |
| 05:54 EST |  Overcast Light Snow | -1°C / 30°F | -6°C / 21°F | 69% | 1020 mb (30.12 in) | NW 17 kph (NW 10.4 mph) | 0.00 mm (0.00 in) | 7SM |
| | KSYR 061054Z 30009KT 7SM -SN BKN036 OVC047 M01/M06 A3013 RMK AO2 SLP206 P0000 T10061061 |
| 04:54 EST |  Overcast Light Snow | -1°C / 30°F | -5°C / 23°F | 75% | 1020 mb (30.12 in) | W 15 kph (W 9.2 mph) | 0.00 mm (0.00 in) | 6SM |
| | KSYR 060954Z 28008KT 6SM -SN BKN040 OVC049 M01/M05 A3011 RMK AO2 SLP197 P0000 T10111050 |
| 03:54 EST |  Overcast Light Snow | -1°C / 30°F | -5°C / 23°F | 75% | 1019 mb (30.09 in) | WNW 17 kph (WNW 10.4 mph) | 0.00 mm (0.00 in) | 6SM |
| | KSYR 060854Z 29009KT 6SM -SN BKN040 BKN047 OVC055 M01/M05 A3010 RMK AO2 SLP193 P0000 60000 T10111050 53014 |
| 02:54 EST |  Overcast Light Snow | -1°C / 30°F | -6°C / 21°F | 69% | 1019 mb (30.09 in) | W 15 kph (W 9.2 mph) | 0.00 mm (0.00 in) | 9SM |
| | KSYR 060754Z 28008KT 9SM -SN SCT038 OVC049 M01/M06 A3008 RMK AO2 SNB24 SLP188 P0000 T10111061 |
| 01:54 EST |  Mostly Cloudy | -2°C / 28°F | -7°C / 19°F | 69% | 1018 mb (30.06 in) | NNW 6 kph (NNW 3.5 mph) | 0.00 mm (0.00 in) | 10SM |
| | KSYR 060654Z 34003KT 10SM SCT050 BKN080 M02/M07 A3007 RMK AO2 SNE00 SLP183 P0000 T10171072 |
| 00:54 EST |  Mostly Cloudy Light Snow | -1°C / 30°F | -6°C / 21°F | 69% | 1018 mb (30.06 in) | NNW 19 kph (NNW 11.5 mph) | 0.00 mm (0.00 in) | 9SM |
| | KSYR 060554Z 34010G16KT 9SM -SN FEW023 BKN050 BKN060 M01/M06 A3006 RMK AO2 SLP179 931000 P0000 60000 T10061056 10000 21006 51010 |
| 00:39 EST |  Overcast Light Snow | -1°C / 30°F | -4°C / 25°F | 80% | 1018 mb (30.06 in) | NNW 15 kph (NNW 9.2 mph) | 0.00 mm (0.00 in) | 8SM |
| | KSYR 060539Z 34008KT 8SM -SN FEW023 BKN031 OVC060 M01/M04 A3006 RMK AO2 P0000 |
| 00:30 EST |  Overcast Light Snow | 0°C / 32°F | -3°C / 27°F | 80% | 1018 mb (30.06 in) | NNW 15 kph (NNW 9.2 mph) | 0.00 mm (0.00 in) | 3SM |
| | KSYR 060530Z 33008KT 3SM -SN FEW012 BKN027 OVC055 00/M03 A3005 RMK AO2 P0000 |
| 00:26 EST |  Overcast Light Snow | 0°C / 32°F | -3°C / 27°F | 80% | 1018 mb (30.06 in) | NNW 15 kph (NNW 9.2 mph) | 0.00 mm (0.00 in) | 2SM |
| | KSYR 060526Z 33008KT 2SM -SN FEW020 BKN028 OVC055 00/M03 A3005 RMK AO2 P0000 |
| 00:15 EST |  Overcast Light Snow | 0°C / 32°F | -3°C / 27°F | 80% | 1018 mb (30.06 in) | NW 11 kph (NW 6.9 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KSYR 060515Z 32006KT 2 1/2SM -SN FEW024 BKN049 OVC060 00/M03 A3005 RMK AO2 CIG 034 NW P0000 |