| 20:55 EST |  Mostly Cloudy | -8°C / 18°F | -14°C / 7°F | 62% | 1020 mb (30.12 in) | N 11 kph (N 6.9 mph) | - | 10SM |
| | KEEN 240155Z AUTO 01006KT 10SM BKN033 M08/M14 A3011 RMK AO1 |
| 20:35 EST |  Partly Cloudy | -8°C / 18°F | -14°C / 7°F | 62% | 1019 mb (30.09 in) | N 13 kph (N 8.1 mph) | - | 10SM |
| | KEEN 240135Z AUTO 35007KT 10SM FEW035 SCT120 M08/M14 A3010 RMK AO1 |
| 20:15 EST |  Overcast | -8°C / 18°F | -14°C / 7°F | 62% | 1019 mb (30.09 in) | N 15 kph (N 9.2 mph) | - | 10SM |
| | KEEN 240115Z AUTO 35008KT 10SM BKN035 BKN100 OVC120 M08/M14 A3010 RMK AO1 |
| 19:55 EST |  Overcast | -8°C / 18°F | -15°C / 5°F | 58% | 1019 mb (30.09 in) | N 15 kph (N 9.2 mph) | - | 10SM |
| | KEEN 240055Z AUTO 36008KT 10SM SCT037 OVC100 M08/M15 A3010 RMK AO1 |
| 19:35 EST |  Overcast | -9°C / 16°F | -16°C / 3°F | 57% | 1019 mb (30.09 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KEEN 240035Z AUTO 33005KT 10SM BKN037 BKN048 OVC095 M09/M16 A3010 RMK AO1 |
| 19:15 EST |  Overcast | -9°C / 16°F | -16°C / 3°F | 57% | 1019 mb (30.09 in) | NNW 7 kph (NNW 4.6 mph) | - | 10SM |
| | KEEN 240015Z AUTO 34004KT 10SM BKN041 BKN050 OVC065 M09/M16 A3010 RMK AO1 |
| 18:55 EST |  Overcast | -9°C / 16°F | -16°C / 3°F | 57% | 1019 mb (30.09 in) | NNW 11 kph (NNW 6.9 mph) | - | 10SM |
| | KEEN 232355Z AUTO 34006KT 10SM SCT041 OVC100 M09/M16 A3010 RMK AO1 11070 21090 410701150 52010 |
| 18:35 EST |  Mostly Cloudy | -9°C / 16°F | -16°C / 3°F | 57% | 1019 mb (30.09 in) | NNW 11 kph (NNW 6.9 mph) | - | 10SM |
| | KEEN 232335Z AUTO 33006KT 10SM BKN100 M09/M16 A3010 RMK AO1 |
| 18:15 EST |  Partly Cloudy | -9°C / 16°F | -16°C / 3°F | 57% | 1019 mb (30.09 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | KEEN 232315Z AUTO 33003KT 10SM FEW110 M09/M16 A3009 RMK AO1 |
| 17:55 EST |  Partly Cloudy | -9°C / 16°F | -16°C / 3°F | 57% | 1019 mb (30.09 in) | NNW 11 kph (NNW 6.9 mph) | - | 10SM |
| | KEEN 232255Z AUTO 33006KT 10SM SCT039 M09/M16 A3009 RMK AO1 |
| 17:35 EST |  Mostly Cloudy | -9°C / 16°F | -16°C / 3°F | 57% | 1019 mb (30.09 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KEEN 232235Z AUTO 31004KT 10SM BKN041 M09/M16 A3009 RMK AO1 |
| 17:15 EST |  Mostly Cloudy | -9°C / 16°F | -16°C / 3°F | 57% | 1019 mb (30.09 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KEEN 232215Z AUTO 30004KT 10SM BKN041 BKN120 M09/M16 A3009 RMK AO1 |
| 16:55 EST |  Mostly Cloudy | -9°C / 16°F | -16°C / 3°F | 57% | 1019 mb (30.09 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KEEN 232155Z AUTO 30004KT 10SM BKN043 M09/M16 A3008 RMK AO1 |
| 16:35 EST |  Mostly Cloudy | -8°C / 18°F | -16°C / 3°F | 53% | 1018 mb (30.06 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KEEN 232135Z AUTO 31006KT 10SM BKN043 M08/M16 A3007 RMK AO1 |
| 16:15 EST |  Partly Cloudy | -8°C / 18°F | -16°C / 3°F | 53% | 1018 mb (30.06 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KEEN 232115Z AUTO 33005KT 10SM SCT043 M08/M16 A3007 RMK AO1 |
| 15:55 EST |  Partly Cloudy | -8°C / 18°F | -16°C / 3°F | 53% | 1018 mb (30.06 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KEEN 232055Z AUTO 30007KT 10SM FEW040 FEW047 SCT055 M08/M16 A3007 RMK AO1 52014 |
| 15:35 EST |  Partly Cloudy | -8°C / 18°F | -16°C / 3°F | 53% | 1018 mb (30.06 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KEEN 232035Z AUTO 30005KT 10SM SCT037 SCT046 M08/M16 A3006 RMK AO1 |
| 15:15 EST |  Mostly Cloudy | -7°C / 19°F | -16°C / 3°F | 49% | 1018 mb (30.06 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KEEN 232015Z AUTO 30012G18KT 10SM BKN037 BKN043 M07/M16 A3005 RMK AO1 |
| 14:55 EST |  Mostly Cloudy | -7°C / 19°F | -16°C / 3°F | 49% | 1017 mb (30.03 in) | NNW 24 kph (NNW 15 mph) | - | 10SM |
| | KEEN 231955Z AUTO 34013G18KT 10SM BKN039 M07/M16 A3004 RMK AO1 |
| 14:35 EST |  Mostly Cloudy | -7°C / 19°F | -15°C / 5°F | 53% | 1017 mb (30.03 in) | NNW 24 kph (NNW 15 mph) | - | 10SM |
| | KEEN 231935Z AUTO 34013G19KT 10SM BKN037 BKN120 M07/M15 A3003 RMK AO1 |
| 14:15 EST |  Overcast | -7°C / 19°F | -16°C / 3°F | 49% | 1017 mb (30.03 in) | NNW 17 kph (NNW 10.4 mph) | - | 10SM |
| | KEEN 231915Z AUTO 33009G17KT 270V010 10SM OVC040 M07/M16 A3003 RMK AO1 |
| 13:55 EST |  Overcast | -7°C / 19°F | -15°C / 5°F | 53% | 1017 mb (30.03 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KEEN 231855Z AUTO 32009G14KT 10SM BKN040 OVC046 M07/M15 A3003 RMK AO1 |
| 13:35 EST |  Overcast | -7°C / 19°F | -16°C / 3°F | 49% | 1017 mb (30.03 in) | NNW 22 kph (NNW 13.8 mph) | - | 10SM |
| | KEEN 231835Z AUTO 33012G16KT 10SM BKN037 OVC045 M07/M16 A3003 RMK AO1 |
| 13:15 EST |  Overcast | -7°C / 19°F | -15°C / 5°F | 53% | 1017 mb (30.03 in) | WNW 19 kph (WNW 11.5 mph) | - | 10SM |
| | KEEN 231815Z AUTO 29010G16KT 250V320 10SM BKN037 BKN044 OVC049 M07/M15 A3003 RMK AO1 |
| 12:55 EST |  Overcast | -7°C / 19°F | -15°C / 5°F | 53% | 1017 mb (30.03 in) | NW 20 kph (NW 12.7 mph) | - | 8SM |
| | KEEN 231755Z AUTO 30011G17KT 8SM FEW028 BKN039 OVC050 M07/M15 A3003 RMK AO1 11070 21150 57014 |
| 12:35 EST |  Overcast | -7°C / 19°F | -15°C / 5°F | 53% | 1017 mb (30.03 in) | NNW 22 kph (NNW 13.8 mph) | - | 6SM |
| | KEEN 231735Z AUTO 33012KT 6SM BKN041 OVC050 M07/M15 A3004 RMK AO1 |
| 12:15 EST |  Overcast | -7°C / 19°F | -16°C / 3°F | 49% | 1017 mb (30.03 in) | NNW 17 kph (NNW 10.4 mph) | - | 7SM |
| | KEEN 231715Z AUTO 34009G16KT 280V360 7SM BKN039 OVC050 M07/M16 A3004 RMK AO1 |
| 11:55 EST |  Overcast | -7°C / 19°F | -16°C / 3°F | 49% | 1017 mb (30.03 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KEEN 231655Z AUTO 31011G17KT 10SM FEW037 BKN048 OVC060 M07/M16 A3004 RMK AO1 |
| 11:35 EST |  Overcast | -8°C / 18°F | -16°C / 3°F | 53% | 1018 mb (30.06 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KEEN 231635Z AUTO 31012G16KT 10SM BKN036 BKN043 OVC049 M08/M16 A3005 RMK AO1 |
| 11:15 EST |  Mostly Cloudy | -8°C / 18°F | -16°C / 3°F | 53% | 1018 mb (30.06 in) | WNW 13 kph (WNW 8.1 mph) | - | 10SM |
| | KEEN 231615Z AUTO 29007G18KT 260V320 10SM SCT037 BKN043 BKN050 M08/M16 A3006 RMK AO1 |
| 10:55 EST |  Mostly Cloudy | -8°C / 18°F | -16°C / 3°F | 53% | 1018 mb (30.06 in) | W 17 kph (W 10.4 mph) | - | 10SM |
| | KEEN 231555Z AUTO 27009KT 10SM BKN035 M08/M16 A3006 RMK AO1 |
| 10:35 EST |  Overcast | -8°C / 18°F | -15°C / 5°F | 58% | 1018 mb (30.06 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KEEN 231535Z AUTO 32009KT 270V330 10SM OVC035 M08/M15 A3007 RMK AO1 |
| 10:15 EST |  Mostly Cloudy | -8°C / 18°F | -16°C / 3°F | 53% | 1018 mb (30.06 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KEEN 231515Z AUTO 34005KT 10SM BKN033 M08/M16 A3007 RMK AO1 |
| 09:55 EST |  Mostly Cloudy | -9°C / 16°F | -15°C / 5°F | 62% | 1018 mb (30.06 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KEEN 231455Z AUTO 32005KT 10SM BKN033 BKN085 M09/M15 A3007 RMK AO1 52014 |
| 09:35 EST |  Partly Cloudy | -9°C / 16°F | -16°C / 3°F | 57% | 1018 mb (30.06 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KEEN 231435Z AUTO 35003KT 10SM FEW085 M09/M16 A3007 RMK AO1 |
| 09:15 EST |  Clear | -11°C / 12°F | -14°C / 7°F | 79% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KEEN 231415Z AUTO 00000KT 10SM CLR M11/M14 A3006 RMK AO1 |
| 08:55 EST |  Clear | -13°C / 9°F | -16°C / 3°F | 78% | 1018 mb (30.06 in) | Calm | - | 9SM |
| | KEEN 231355Z AUTO 00000KT 9SM CLR M13/M16 A3005 RMK AO1 |
| 08:35 EST |  Clear | -14°C / 7°F | -16°C / 3°F | 85% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KEEN 231335Z AUTO 00000KT 10SM CLR M14/M16 A3005 RMK AO1 |
| 08:15 EST |  Partly Cloudy | -14°C / 7°F | -16°C / 3°F | 85% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KEEN 231315Z AUTO 00000KT 10SM FEW032 M14/M16 A3005 RMK AO1 |
| 07:55 EST |  Partly Cloudy | -14°C / 7°F | -17°C / 1°F | 78% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KEEN 231255Z AUTO 00000KT 10SM FEW041 M14/M17 A3005 RMK AO1 |
| 07:35 EST |  Clear | -15°C / 5°F | -18°C / 0°F | 78% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KEEN 231235Z AUTO 00000KT 10SM CLR M15/M18 A3004 RMK AO1 |
| 07:15 EST |  Clear | -14°C / 7°F | -16°C / 3°F | 85% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KEEN 231215Z AUTO 00000KT 10SM CLR M14/M16 A3004 RMK AO1 |
| 06:55 EST |  Clear | -13°C / 9°F | -16°C / 3°F | 78% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KEEN 231155Z AUTO 00000KT 10SM CLR M13/M16 A3003 RMK AO1 11090 21140 57003 |
| 06:35 EST |  Clear | -14°C / 7°F | -18°C / 0°F | 72% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KEEN 231135Z AUTO 00000KT 10SM CLR M14/M18 A3003 RMK AO1 |
| 06:15 EST |  Clear | -14°C / 7°F | -16°C / 3°F | 85% | 1017 mb (30.03 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KEEN 231115Z AUTO 07003KT 10SM CLR M14/M16 A3003 RMK AO1 |
| 05:55 EST |  Clear | -14°C / 7°F | -16°C / 3°F | 85% | 1017 mb (30.03 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KEEN 231055Z AUTO 24004KT 10SM CLR M14/M16 A3003 RMK AO1 |
| 05:35 EST |  Clear | -13°C / 9°F | -18°C / 0°F | 66% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KEEN 231035Z AUTO 00000KT 10SM CLR M13/M18 A3003 RMK AO1 |
| 05:15 EST |  Clear | -13°C / 9°F | -16°C / 3°F | 78% | 1017 mb (30.03 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KEEN 231015Z AUTO 18004KT 10SM CLR M13/M16 A3003 RMK AO1 |
| 04:55 EST |  Partly Cloudy | -11°C / 12°F | -15°C / 5°F | 73% | 1017 mb (30.03 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KEEN 230955Z AUTO 21003KT 10SM FEW075 M11/M15 A3004 RMK AO1 |
| 04:35 EST |  Partly Cloudy | -11°C / 12°F | -16°C / 3°F | 67% | 1017 mb (30.03 in) | W 7 kph (W 4.6 mph) | - | 10SM |
| | KEEN 230935Z AUTO 27004KT 10SM SCT075 M11/M16 A3003 RMK AO1 |
| 04:15 EST |  Clear | -12°C / 10°F | -17°C / 1°F | 67% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KEEN 230915Z AUTO 00000KT 10SM CLR M12/M17 A3004 RMK AO1 |
| 03:55 EST |  Clear | -13°C / 9°F | -15°C / 5°F | 85% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KEEN 230855Z AUTO 00000KT 10SM CLR M13/M15 A3004 RMK AO1 52003 |
| 03:35 EST |  Clear | -13°C / 9°F | -17°C / 1°F | 72% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KEEN 230835Z AUTO 00000KT 10SM CLR M13/M17 A3004 RMK AO1 |
| 03:15 EST |  Clear | -13°C / 9°F | -17°C / 1°F | 72% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KEEN 230815Z AUTO 00000KT 10SM CLR M13/M17 A3004 RMK AO1 |
| 02:55 EST |  Clear | -12°C / 10°F | -17°C / 1°F | 67% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KEEN 230755Z AUTO 00000KT 10SM CLR M12/M17 A3004 RMK AO1 |
| 02:35 EST |  Clear | -11°C / 12°F | -16°C / 3°F | 67% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KEEN 230735Z AUTO 00000KT 10SM CLR M11/M16 A3004 RMK AO1 |
| 02:15 EST |  Clear | -11°C / 12°F | -17°C / 1°F | 62% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KEEN 230715Z AUTO 00000KT 10SM CLR M11/M17 A3005 RMK AO1 |
| 01:55 EST |  Clear | -9°C / 16°F | -16°C / 3°F | 57% | 1017 mb (30.03 in) | WNW 6 kph (WNW 3.5 mph) | - | 10SM |
| | KEEN 230655Z AUTO 29003KT 10SM CLR M09/M16 A3004 RMK AO1 |
| 01:35 EST |  Clear | -10°C / 14°F | -17°C / 1°F | 57% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KEEN 230635Z AUTO 00000KT 10SM CLR M10/M17 A3003 RMK AO1 |
| 01:15 EST |  Mostly Cloudy | -11°C / 12°F | -16°C / 3°F | 67% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KEEN 230615Z AUTO 00000KT 10SM BKN075 M11/M16 A3003 RMK AO1 |
| 00:55 EST |  Mostly Cloudy | -11°C / 12°F | -16°C / 3°F | 67% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KEEN 230555Z AUTO 00000KT 10SM BKN065 M11/M16 A3003 RMK AO1 11070 21120 57003 |
| 00:35 EST |  Overcast | -12°C / 10°F | -17°C / 1°F | 67% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KEEN 230535Z AUTO 00000KT 10SM OVC065 M12/M17 A3004 RMK AO1 |
| 00:15 EST |  Mostly Cloudy | -12°C / 10°F | -17°C / 1°F | 67% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KEEN 230515Z AUTO 00000KT 10SM SCT036 BKN065 M12/M17 A3004 RMK AO1 |