| 12:51 EST |  Clear | 0°C / 32°F | -10°C / 14°F | 47% | 1011 mb (29.85 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KPWM 221751Z 31008KT 10SM CLR 00/M10 A2985 RMK AO2 SLP108 T00001100 10000 21050 56012 |
| 11:51 EST |  Partly Cloudy | -1°C / 30°F | -11°C / 12°F | 47% | 1011 mb (29.85 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KPWM 221651Z 31008KT 10SM FEW080 M01/M11 A2986 RMK AO2 SLP112 T10111106 |
| 10:51 EST |  Clear | -2°C / 28°F | -11°C / 12°F | 51% | 1012 mb (29.88 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KPWM 221551Z 30010KT 10SM CLR M02/M11 A2987 RMK AO2 SLP116 T10221106 |
| 09:51 EST |  Clear | -3°C / 27°F | -11°C / 12°F | 54% | 1012 mb (29.88 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KPWM 221451Z 32006KT 10SM CLR M03/M11 A2988 RMK AO2 SLP120 T10281111 51013 |
| 08:51 EST |  Clear | -4°C / 25°F | -12°C / 10°F | 54% | 1012 mb (29.88 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KPWM 221351Z 30007KT 10SM CLR M04/M12 A2988 RMK AO2 SLP118 T10391117 |
| 07:51 EST |  Mostly Cloudy | -4°C / 25°F | -12°C / 10°F | 54% | 1012 mb (29.88 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KPWM 221251Z 34005KT 10SM BKN075 M04/M12 A2987 RMK AO2 SLP115 T10441117 |
| 06:51 EST |  Mostly Cloudy | -5°C / 23°F | -12°C / 10°F | 58% | 1011 mb (29.85 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KPWM 221151Z 33005KT 10SM BKN080 M05/M12 A2985 RMK AO2 SLP107 T10501117 11044 21061 53019 |
| 05:51 EST |  Clear | -6°C / 21°F | -12°C / 10°F | 63% | 1010 mb (29.83 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KPWM 221051Z 34005KT 10SM CLR M06/M12 A2982 RMK AO2 SLP098 T10561117 |
| 04:51 EST |  Mostly Cloudy | -5°C / 23°F | -12°C / 10°F | 58% | 1009 mb (29.8 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KPWM 220951Z 35005KT 10SM BKN100 M05/M12 A2980 RMK AO2 SLP092 T10501117 |
| 03:51 EST |  Overcast | -5°C / 23°F | -12°C / 10°F | 58% | 1009 mb (29.8 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KPWM 220851Z AUTO 32004KT 10SM OVC100 M05/M12 A2979 RMK AO2 SLP089 T10501117 51017 |
| 02:51 EST |  Overcast | -4°C / 25°F | -12°C / 10°F | 54% | 1008 mb (29.77 in) | NNW 13 kph (NNW 8.1 mph) | - | 10SM |
| | KPWM 220751Z AUTO 33007KT 10SM OVC100 M04/M12 A2977 RMK AO2 SLP083 T10441117 |
| 01:51 EST |  Overcast | -5°C / 23°F | -12°C / 10°F | 58% | 1008 mb (29.77 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KPWM 220651Z AUTO 32004KT 10SM OVC100 M05/M12 A2976 RMK AO2 SLP079 T10501117 |
| 00:51 EST |  Overcast | -4°C / 25°F | -12°C / 10°F | 54% | 1007 mb (29.74 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KPWM 220551Z AUTO 34005KT 10SM OVC100 M04/M12 A2974 RMK AO2 SLP072 T10441117 11028 21050 51017 |