| 05:22 EST |  Overcast Light Snow | 1°C / 34°F | 0°C / 32°F | 93% | 1010 mb (29.83 in) | ENE 11 kph (ENE 6.9 mph) | 1.78 mm (0.07 in) | 2SM |
| | KMMU 091022Z AUTO 07006KT 2SM -SN OVC005 01/00 A2983 RMK AO2 P0007 |
| 05:02 EST |  Overcast Light Snow | 1°C / 34°F | 0°C / 32°F | 93% | 1011 mb (29.85 in) | ENE 9 kph (ENE 5.8 mph) | 0.25 mm (0.01 in) | 2SM |
| | KMMU 091002Z AUTO 07005KT 2SM -SN OVC005 01/00 A2986 RMK AO2 P0001 |
| 04:42 EST |  Overcast Light Snow | 0°C / 32°F | -1°C / 30°F | 93% | 1013 mb (29.91 in) | ENE 6 kph (ENE 3.5 mph) | 2.54 mm (0.10 in) | 1 3/4SM |
| | KMMU 090942Z AUTO 06003KT 1 3/4SM -SN OVC003 00/M01 A2991 RMK AO2 P0010 |
| 04:23 EST |  Overcast Light Snow | 0°C / 32°F | -1°C / 30°F | 93% | 1014 mb (29.94 in) | NE 6 kph (NE 3.5 mph) | 1.52 mm (0.06 in) | 1SM |
| | KMMU 090923Z AUTO 05003KT 1SM -SN OVC005 00/M01 A2993 RMK AO2 P0006 |
| 04:02 EST |  Overcast Light Snow | 1°C / 34°F | -1°C / 30°F | 87% | 1015 mb (29.97 in) | Calm | 0.25 mm (0.01 in) | 1 1/2SM |
| | KMMU 090902Z AUTO 00000KT 1 1/2SM -SN OVC005 01/M01 A2996 RMK AO2 P0001 |
| 03:43 EST |  Overcast Light Snow | 1°C / 34°F | -1°C / 30°F | 87% | 1015 mb (29.97 in) | ENE 6 kph (ENE 3.5 mph) | 1.02 mm (0.04 in) | 3SM |
| | KMMU 090843Z AUTO 07003KT 3SM -SN OVC005 01/M01 A2998 RMK AO2 P0004 |
| 03:22 EST |  Overcast Light Snow | 1°C / 34°F | -1°C / 30°F | 87% | 1016 mb (30 in) | ENE 6 kph (ENE 3.5 mph) | 0.51 mm (0.02 in) | 2SM |
| | KMMU 090822Z AUTO 06003KT 2SM -SN OVC005 01/M01 A2999 RMK AO2 P0002 |
| 03:03 EST |  Overcast Light Snow | 1°C / 34°F | -1°C / 30°F | 87% | 1016 mb (30 in) | ENE 7 kph (ENE 4.6 mph) | 0.25 mm (0.01 in) | 4SM |
| | KMMU 090803Z AUTO 06004KT 4SM -SN OVC005 01/M01 A3000 RMK AO2 P0001 |
| 02:42 EST |  Overcast Light Snow | 1°C / 34°F | -1°C / 30°F | 87% | 1017 mb (30.03 in) | ENE 11 kph (ENE 6.9 mph) | 0.51 mm (0.02 in) | 4SM |
| | KMMU 090742Z AUTO 06006KT 4SM -SN OVC005 01/M01 A3003 RMK AO2 P0002 |
| 02:00 EST |  Overcast Light Snow | 0°C / 32°F | 0°C / 32°F | 100% | 1019 mb (30.09 in) | Calm | - | 1 3/4SM |
| | KMMU 090700Z AUTO 00000KT 1 3/4SM -SN OVC003 00/00 A3010 RMK AO2 T00011005 |
| 01:40 EST |  Overcast Light Snow | 0°C / 32°F | 0°C / 32°F | 100% | 1019 mb (30.09 in) | Calm | 1.52 mm (0.06 in) | 1SM |
| | KMMU 090640Z AUTO 00000KT 1SM -SN OVC003 00/00 A3010 RMK AO2 P0006 T00001005 |
| 01:22 EST |  Overcast Snow | 0°C / 32°F | -1°C / 30°F | 93% | 1020 mb (30.12 in) | Calm | 1.02 mm (0.04 in) | 3/4SM |
| | KMMU 090622Z AUTO 00000KT 3/4SM SN OVC003 00/M01 A3011 RMK AO2 P0004 |
| 01:20 EST |  Overcast Snow | 0°C / 32°F | -1°C / 30°F | 93% | 1020 mb (30.12 in) | Calm | 1.02 mm (0.04 in) | 3/4SM |
| | KMMU 090620Z AUTO 00000KT 3/4SM SN OVC003 00/M01 A3011 RMK AO2 P0004 T00001006 |
| 01:04 EST |  Overcast Snow | 0°C / 32°F | -1°C / 30°F | 93% | 1020 mb (30.12 in) | NE 6 kph (NE 3.5 mph) | 0.51 mm (0.02 in) | 1/2SM |
| | KMMU 090604Z AUTO 05003KT 1/2SM SN OVC006 00/M01 A3013 RMK AO2 P0002 |
| 00:20 EST |  Overcast Light Snow | 1°C / 34°F | -1°C / 30°F | 87% | 1022 mb (30.18 in) | ENE 6 kph (ENE 3.5 mph) | 0.25 mm (0.01 in) | 2 1/2SM |
| | KMMU 090520Z AUTO 07003KT 2 1/2SM -SN OVC016 01/M01 A3019 RMK AO2 P0001 T00071010 |
| 00:00 EST |  Overcast Light Snow | 2°C / 36°F | -2°C / 28°F | 75% | 1023 mb (30.21 in) | ENE 6 kph (ENE 3.5 mph) | - | 3SM |
| | KMMU 090500Z AUTO 06003KT 3SM -SN SCT018 BKN023 OVC033 02/M02 A3021 RMK AO2 T00151019 |