| 11:55 EST |  Overcast | 2°C / 36°F | -3°C / 27°F | 70% | 1012 mb (29.88 in) | WNW 20 kph (WNW 12.7 mph) | - | 10SM |
| | KJYM 271655Z AUTO 29011G18KT 10SM OVC027 02/M03 A2989 RMK AO2 |
| 11:35 EST |  Overcast | 2°C / 36°F | -3°C / 27°F | 70% | 1012 mb (29.88 in) | WNW 26 kph (WNW 16.1 mph) | - | 10SM |
| | KJYM 271635Z AUTO 29014G19KT 10SM BKN029 OVC037 02/M03 A2989 RMK AO2 |
| 11:15 EST |  Mostly Cloudy | 2°C / 36°F | -3°C / 27°F | 70% | 1013 mb (29.91 in) | NW 24 kph (NW 15 mph) | - | 10SM |
| | KJYM 271615Z AUTO 31013KT 10SM BKN029 02/M03 A2990 RMK AO2 |
| 10:55 EST |  Partly Cloudy | 2°C / 36°F | -3°C / 27°F | 70% | 1013 mb (29.91 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KJYM 271555Z AUTO 31009G15KT 10SM SCT027 02/M03 A2990 RMK AO2 |
| 10:35 EST |  Partly Cloudy | 1°C / 34°F | -4°C / 25°F | 70% | 1013 mb (29.91 in) | NW 26 kph (NW 16.1 mph) | - | 10SM |
| | KJYM 271535Z AUTO 31014G19KT 10SM SCT027 01/M04 A2990 RMK AO2 |
| 10:15 EST |  Clear | 1°C / 34°F | -3°C / 27°F | 75% | 1012 mb (29.88 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KJYM 271515Z AUTO 31012KT 10SM CLR 01/M03 A2989 RMK AO2 |
| 09:55 EST |  Clear | 1°C / 34°F | -3°C / 27°F | 75% | 1012 mb (29.88 in) | NW 24 kph (NW 15 mph) | - | 10SM |
| | KJYM 271455Z AUTO 31013G17KT 10SM CLR 01/M03 A2989 RMK AO2 |
| 09:35 EST |  Clear | 1°C / 34°F | -3°C / 27°F | 75% | 1012 mb (29.88 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KJYM 271435Z AUTO 31012G15KT 10SM CLR 01/M03 A2988 RMK AO2 |
| 09:15 EST |  Mostly Cloudy | 0°C / 32°F | -3°C / 27°F | 80% | 1012 mb (29.88 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KJYM 271415Z AUTO 30009KT 10SM BKN041 00/M03 A2987 RMK AO2 |
| 08:55 EST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1012 mb (29.88 in) | WNW 13 kph (WNW 8.1 mph) | - | 10SM |
| | KJYM 271355Z AUTO 29007KT 10SM OVC041 M01/M03 A2987 RMK AO2 |
| 08:35 EST |  Mostly Cloudy | -1°C / 30°F | -2°C / 28°F | 93% | 1011 mb (29.85 in) | WNW 15 kph (WNW 9.2 mph) | - | 10SM |
| | KJYM 271335Z AUTO 29008KT 10SM BKN044 M01/M02 A2986 RMK AO2 |
| 08:15 EST |  Mostly Cloudy | -1°C / 30°F | -3°C / 27°F | 86% | 1011 mb (29.85 in) | WNW 15 kph (WNW 9.2 mph) | - | 10SM |
| | KJYM 271315Z AUTO 29008KT 10SM BKN048 M01/M03 A2986 RMK AO2 |
| 07:55 EST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1011 mb (29.85 in) | WNW 13 kph (WNW 8.1 mph) | - | 10SM |
| | KJYM 271255Z AUTO 29007KT 10SM OVC050 M01/M03 A2985 RMK AO2 |
| 07:35 EST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1010 mb (29.83 in) | W 13 kph (W 8.1 mph) | - | 10SM |
| | KJYM 271235Z AUTO 28007KT 10SM OVC050 M01/M03 A2984 RMK AO2 |
| 07:15 EST |  Overcast | -1°C / 30°F | -2°C / 28°F | 93% | 1010 mb (29.83 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KJYM 271215Z AUTO 28008KT 10SM OVC060 M01/M02 A2983 RMK AO2 |
| 06:55 EST |  Overcast | -1°C / 30°F | -2°C / 28°F | 93% | 1010 mb (29.83 in) | WNW 15 kph (WNW 9.2 mph) | - | 10SM |
| | KJYM 271155Z AUTO 29008KT 10SM OVC060 M01/M02 A2983 RMK AO2 |
| 06:35 EST |  Overcast | -1°C / 30°F | -2°C / 28°F | 93% | 1010 mb (29.83 in) | WNW 13 kph (WNW 8.1 mph) | - | 10SM |
| | KJYM 271135Z AUTO 29007KT 10SM SCT016 BKN046 OVC060 M01/M02 A2983 RMK AO2 |
| 06:15 EST |  Overcast | -1°C / 30°F | -2°C / 28°F | 93% | 1010 mb (29.83 in) | WNW 17 kph (WNW 10.4 mph) | - | 10SM |
| | KJYM 271115Z AUTO 29009KT 10SM SCT016 BKN044 OVC060 M01/M02 A2983 RMK AO2 |
| 05:55 EST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1010 mb (29.83 in) | WNW 17 kph (WNW 10.4 mph) | - | 7SM |
| | KJYM 271055Z AUTO 29009KT 7SM -SN SCT021 BKN044 OVC050 M01/M02 A2982 RMK AO2 |
| 05:35 EST |  Overcast Light Snow | 0°C / 32°F | -2°C / 28°F | 87% | 1010 mb (29.83 in) | W 13 kph (W 8.1 mph) | - | 10SM |
| | KJYM 271035Z AUTO 28007KT 10SM -SN SCT009 SCT015 OVC032 00/M02 A2982 RMK AO2 |
| 05:15 EST |  Overcast Light Snow | 0°C / 32°F | -2°C / 28°F | 87% | 1009 mb (29.8 in) | NW 22 kph (NW 13.8 mph) | - | 1 3/4SM |
| | KJYM 271015Z AUTO 30012G16KT 1 3/4SM -SN SCT008 OVC016 00/M02 A2981 RMK AO2 VIS 1V4 |
| 04:55 EST |  Overcast Light Snow | 0°C / 32°F | -2°C / 28°F | 87% | 1009 mb (29.8 in) | W 26 kph (W 16.1 mph) | - | 5SM |
| | KJYM 270955Z AUTO 28014KT 5SM -SN SCT015 BKN020 OVC038 00/M02 A2981 RMK AO2 |
| 04:35 EST |  Overcast Light Snow | 1°C / 34°F | -2°C / 28°F | 81% | 1009 mb (29.8 in) | W 17 kph (W 10.4 mph) | - | 10SM |
| | KJYM 270935Z AUTO 28009KT 10SM -SN SCT018 BKN031 OVC038 01/M02 A2979 RMK AO2 |
| 04:15 EST |  Overcast Light Snow | 1°C / 34°F | -1°C / 30°F | 87% | 1009 mb (29.8 in) | W 15 kph (W 9.2 mph) | - | 7SM |
| | KJYM 270915Z AUTO 28008KT 7SM -SN SCT018 BKN023 OVC033 01/M01 A2980 RMK AO2 |
| 03:55 EST |  Overcast Light Snow | 1°C / 34°F | -2°C / 28°F | 81% | 1009 mb (29.8 in) | W 17 kph (W 10.4 mph) | - | 10SM |
| | KJYM 270855Z AUTO 28009KT 10SM -SN BKN021 OVC031 01/M02 A2979 RMK AO2 |
| 03:35 EST |  Overcast | 1°C / 34°F | -1°C / 30°F | 87% | 1009 mb (29.8 in) | W 19 kph (W 11.5 mph) | - | 10SM |
| | KJYM 270835Z AUTO 28010G16KT 10SM OVC031 01/M01 A2979 RMK AO2 |
| 03:15 EST |  Overcast | 1°C / 34°F | -1°C / 30°F | 87% | 1009 mb (29.8 in) | W 20 kph (W 12.7 mph) | - | 10SM |
| | KJYM 270815Z AUTO 27011G18KT 10SM SCT012 SCT018 OVC029 01/M01 A2979 RMK AO2 |
| 02:55 EST |  Overcast Light Snow | 1°C / 34°F | -1°C / 30°F | 87% | 1009 mb (29.8 in) | W 24 kph (W 15 mph) | - | 10SM |
| | KJYM 270755Z AUTO 27013KT 10SM -SN SCT008 BKN017 OVC031 01/M01 A2979 RMK AO2 |
| 02:35 EST |  Overcast Light Snow | 1°C / 34°F | 0°C / 32°F | 93% | 1008 mb (29.77 in) | W 28 kph (W 17.3 mph) | - | 4SM |
| | KJYM 270735Z AUTO 28015G19KT 4SM -SN BKN008 OVC014 01/00 A2978 RMK AO2 |
| 02:15 EST |  Overcast Light Snow | 1°C / 34°F | 0°C / 32°F | 93% | 1008 mb (29.77 in) | W 26 kph (W 16.1 mph) | - | 3SM |
| | KJYM 270715Z AUTO 27014G18KT 3SM -SN OVC008 01/00 A2978 RMK AO2 |
| 01:55 EST |  Overcast Light Snow | 2°C / 36°F | 0°C / 32°F | 87% | 1008 mb (29.77 in) | W 20 kph (W 12.7 mph) | - | 4SM |
| | KJYM 270655Z AUTO 27011G21KT 4SM -SN OVC010 02/00 A2977 RMK AO2 |
| 01:35 EST |  Overcast Light Snow | 2°C / 36°F | 1°C / 34°F | 93% | 1008 mb (29.77 in) | W 22 kph (W 13.8 mph) | - | 7SM |
| | KJYM 270635Z AUTO 27012G18KT 7SM -SN BKN010 OVC016 02/01 A2977 RMK AO2 |
| 01:15 EST |  Overcast Light Snow | 2°C / 36°F | 1°C / 34°F | 93% | 1008 mb (29.77 in) | SSW 22 kph (SSW 13.8 mph) | - | 7SM |
| | KJYM 270615Z AUTO 26012G20KT 7SM -SN BKN010 BKN015 OVC021 02/01 A2977 RMK AO2 |
| 00:55 EST |  Overcast Rain | 2°C / 36°F | 1°C / 34°F | 93% | 1008 mb (29.77 in) | W 24 kph (W 15 mph) | - | 5SM |
| | KJYM 270555Z AUTO 27013G19KT 5SM RA BKN010 OVC015 02/01 A2977 RMK AO2 |
| 00:35 EST |  Overcast Light Rain | 3°C / 37°F | 1°C / 34°F | 87% | 1008 mb (29.77 in) | W 22 kph (W 13.8 mph) | - | 7SM |
| | KJYM 270535Z AUTO 27012G16KT 7SM -RA BKN010 OVC015 03/01 A2977 RMK AO2 |
| 00:15 EST |  Overcast Light Rain | 3°C / 37°F | 1°C / 34°F | 87% | 1008 mb (29.77 in) | W 20 kph (W 12.7 mph) | - | 7SM |
| | KJYM 270515Z AUTO 27011KT 7SM -RA OVC008 03/01 A2977 RMK AO2 |