| 06:36 EST |  Overcast Light Snow | 0°C / 32°F | 0°C / 32°F | 100% | 982 mb (29 in) | E 17 kph (E 10.4 mph) | 0.51 mm (0.02 in) | 1 3/4SM |
| | KMOP 091136Z AUTO 08009G14KT 1 3/4SM -SN OVC008 00/00 A2900 RMK AO2 P0002 |
| 06:16 EST |  Overcast Light Snow | 0°C / 32°F | 0°C / 32°F | 100% | 983 mb (29.03 in) | ENE 19 kph (ENE 11.5 mph) | 0.25 mm (0.01 in) | 2SM |
| | KMOP 091116Z AUTO 07010G15KT 2SM -SN OVC008 00/00 A2902 RMK AO2 P0001 |
| 05:55 EST |  Overcast Light Snow | 0°C / 32°F | 0°C / 32°F | 100% | 983 mb (29.03 in) | E 24 kph (E 15 mph) | 0.76 mm (0.03 in) | 1 1/2SM |
| | KMOP 091055Z AUTO 08013G18KT 1 1/2SM -SN OVC010 00/00 A2903 RMK AO2 P0003 |
| 05:36 EST |  Overcast Light Snow | 0°C / 32°F | 0°C / 32°F | 100% | 984 mb (29.06 in) | E 24 kph (E 15 mph) | 0.51 mm (0.02 in) | 1 3/4SM |
| | KMOP 091036Z AUTO 09013KT 1 3/4SM -SN OVC008 00/00 A2905 RMK AO2 P0002 |
| 05:16 EST |  Overcast Light Snow | 0°C / 32°F | 0°C / 32°F | 100% | 984 mb (29.06 in) | E 26 kph (E 16.1 mph) | 0.25 mm (0.01 in) | 1 3/4SM |
| | KMOP 091016Z AUTO 08014G18KT 1 3/4SM -SN BKN008 OVC012 00/00 A2907 RMK AO2 P0001 |
| 04:55 EST |  Overcast Light Snow | 0°C / 32°F | 0°C / 32°F | 100% | 985 mb (29.09 in) | E 32 kph (E 19.6 mph) | 0.51 mm (0.02 in) | 1 1/2SM |
| | KMOP 090955Z AUTO 08017G22KT 1 1/2SM -SN BKN008 OVC012 00/00 A2908 RMK AO2 P0002 |
| 04:36 EST |  Overcast Light Snow | 0°C / 32°F | 0°C / 32°F | 100% | 986 mb (29.12 in) | E 30 kph (E 18.4 mph) | - | 1 1/2SM |
| | KMOP 090936Z AUTO 08016G21KT 1 1/2SM -SN OVC008 00/00 A2911 RMK AO2 |
| 04:16 EST |  Overcast Light Snow | 0°C / 32°F | 0°C / 32°F | 100% | 986 mb (29.12 in) | E 32 kph (E 19.6 mph) | - | 1SM |
| | KMOP 090916Z AUTO 08017G25KT 1SM -SN OVC009 00/00 A2913 RMK AO2 |
| 03:55 EST |  Overcast Fog And Mist | 0°C / 32°F | 0°C / 32°F | 100% | 987 mb (29.15 in) | E 33 kph (E 20.7 mph) | 0.51 mm (0.02 in) | 2SM |
| | KMOP 090855Z AUTO 08018G25KT 2SM BR OVC007 00/00 A2916 RMK AO2 P0002 |
| 03:36 EST |  Overcast Light Snow | 0°C / 32°F | 0°C / 32°F | 100% | 988 mb (29.18 in) | ENE 35 kph (ENE 21.9 mph) | 0.51 mm (0.02 in) | 1 1/2SM |
| | KMOP 090836Z AUTO 07019G27KT 1 1/2SM -SN BKN003 OVC007 00/00 A2919 RMK AO2 P0002 |
| 03:16 EST |  Overcast Snow | 0°C / 32°F | 0°C / 32°F | 100% | 990 mb (29.23 in) | E 37 kph (E 23 mph) | 0.25 mm (0.01 in) | 3/4SM |
| | KMOP 090816Z AUTO 09020G29KT 3/4SM SN OVC003 00/00 A2922 RMK AO2 P0001 |
| 02:55 EST |  Overcast Snow | 0°C / 32°F | 0°C / 32°F | 100% | 991 mb (29.26 in) | E 35 kph (E 21.9 mph) | 1.02 mm (0.04 in) | 3/4SM |
| | KMOP 090755Z AUTO 08019G29KT 3/4SM SN OVC003 00/00 A2926 RMK AO2 P0004 |
| 02:36 EST |  Overcast Heavy Snow | 0°C / 32°F | 0°C / 32°F | 100% | 992 mb (29.29 in) | E 26 kph (E 16.1 mph) | 0.76 mm (0.03 in) | 1/2SM |
| | KMOP 090736Z AUTO 08014G25KT 1/2SM +SN OVC003 00/00 A2928 RMK AO2 P0003 |
| 02:16 EST |  Overcast Heavy Snow | 0°C / 32°F | 0°C / 32°F | 100% | 993 mb (29.32 in) | E 35 kph (E 21.9 mph) | 0.25 mm (0.01 in) | 1/2SM |
| | KMOP 090716Z AUTO 08019G25KT 1/2SM +SN OVC003 00/00 A2931 RMK AO2 P0001 |
| 01:55 EST |  Overcast Heavy Snow | 0°C / 32°F | 0°C / 32°F | 100% | N/A | E 39 kph (E 24.2 mph) | 1.02 mm (0.04 in) | 1/2SM |
| | KMOP 090655Z AUTO 08021G27KT 1/2SM +SN OVC003 00/00 RMK AO2 P0004 |
| 01:36 EST |  Overcast Snow | 0°C / 32°F | 0°C / 32°F | 100% | 996 mb (29.41 in) | ENE 30 kph (ENE 18.4 mph) | 0.51 mm (0.02 in) | 3/4SM |
| | KMOP 090636Z AUTO 07016G26KT 3/4SM SN OVC007 00/00 A2941 RMK AO2 P0002 |
| 01:16 EST |  Overcast Snow | 0°C / 32°F | 0°C / 32°F | 100% | 997 mb (29.44 in) | ENE 22 kph (ENE 13.8 mph) | 0.25 mm (0.01 in) | 3/4SM |
| | KMOP 090616Z AUTO 07012G22KT 3/4SM SN OVC008 00/00 A2944 RMK AO2 P0001 |
| 00:55 EST |  Overcast Light Snow | 0°C / 32°F | 0°C / 32°F | 100% | 998 mb (29.47 in) | ENE 32 kph (ENE 19.6 mph) | 0.51 mm (0.02 in) | 1SM |
| | KMOP 090555Z AUTO 07017G22KT 1SM -SN OVC008 00/00 A2946 RMK AO2 P0002 |
| 00:36 EST |  Overcast Light Snow | 0°C / 32°F | 0°C / 32°F | 100% | 999 mb (29.5 in) | E 35 kph (E 21.9 mph) | 0.51 mm (0.02 in) | 1SM |
| | KMOP 090536Z AUTO 08019G26KT 1SM -SN OVC008 00/00 A2950 RMK AO2 P0002 |
| 00:16 EST |  Overcast Snow | 0°C / 32°F | 0°C / 32°F | 100% | 1000 mb (29.53 in) | E 30 kph (E 18.4 mph) | 0.25 mm (0.01 in) | 1SM |
| | KMOP 090516Z AUTO 08016G19KT 1SM SN OVC008 00/00 A2954 RMK AO2 P0001 |