| 13:15 EST |  Overcast | 3°C / 37°F | -5°C / 23°F | 56% | 1019 mb (30.09 in) | N 13 kph (N 8.1 mph) | - | 10SM |
| | KLEW 051815Z 01007KT 10SM OVC090 03/M05 A3009 RMK AO1 |
| 12:55 EST |  Overcast | 3°C / 37°F | -5°C / 23°F | 56% | 1019 mb (30.09 in) | N 17 kph (N 10.4 mph) | - | 10SM |
| | KLEW 051755Z 01009KT 10SM OVC090 03/M05 A3009 RMK AO1 10030 21010 57044 |
| 12:35 EST |  Overcast | 3°C / 37°F | -5°C / 23°F | 56% | 1020 mb (30.12 in) | NE 13 kph (NE 8.1 mph) | - | 10SM |
| | KLEW 051735Z 03007KT 10SM OVC090 03/M05 A3011 RMK AO1 |
| 12:15 EST |  Overcast | 3°C / 37°F | -6°C / 21°F | 52% | 1020 mb (30.12 in) | N 15 kph (N 9.2 mph) | - | 10SM |
| | KLEW 051715Z 36008KT 10SM OVC090 03/M06 A3013 RMK AO1 |
| 11:55 EST |  Overcast | 3°C / 37°F | -6°C / 21°F | 52% | 1021 mb (30.15 in) | NNE 15 kph (NNE 9.2 mph) | - | 10SM |
| | KLEW 051655Z 02008KT 10SM OVC100 03/M06 A3015 RMK AO1 |
| 11:35 EST |  Overcast | 3°C / 37°F | -5°C / 23°F | 56% | 1022 mb (30.18 in) | N 17 kph (N 10.4 mph) | - | 10SM |
| | KLEW 051635Z 36009KT 10SM OVC100 03/M05 A3017 RMK AO1 |
| 11:15 EST |  Overcast | 3°C / 37°F | -6°C / 21°F | 52% | 1022 mb (30.18 in) | NNE 19 kph (NNE 11.5 mph) | - | 10SM |
| | KLEW 051615Z 02010KT 10SM OVC110 03/M06 A3017 RMK AO1 |
| 10:55 EST |  Overcast | 3°C / 37°F | -4°C / 25°F | 60% | 1022 mb (30.18 in) | NNE 11 kph (NNE 6.9 mph) | - | 10SM |
| | KLEW 051555Z 02006KT 10SM OVC110 03/M04 A3018 RMK AO1 |
| 10:35 EST |  Overcast | 3°C / 37°F | -4°C / 25°F | 60% | 1023 mb (30.21 in) | NNE 17 kph (NNE 10.4 mph) | - | 10SM |
| | KLEW 051535Z 02009KT 10SM OVC110 03/M04 A3020 RMK AO1 |
| 10:15 EST |  Overcast | 3°C / 37°F | -3°C / 27°F | 65% | 1023 mb (30.21 in) | NNE 13 kph (NNE 8.1 mph) | - | 10SM |
| | KLEW 051515Z 02007KT 10SM OVC120 03/M03 A3021 RMK AO1 |
| 09:55 EST |  Partly Cloudy | 3°C / 37°F | -3°C / 27°F | 65% | 1023 mb (30.21 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KLEW 051455Z 03005KT 10SM SCT120 03/M03 A3022 RMK AO1 57003 |
| 09:35 EST |  Clear | 2°C / 36°F | -3°C / 27°F | 70% | 1023 mb (30.21 in) | NNE 9 kph (NNE 5.8 mph) | - | 10SM |
| | KLEW 051435Z 02005KT 10SM CLR 02/M03 A3022 RMK AO1 |
| 09:15 EST |  Partly Cloudy | 2°C / 36°F | -2°C / 28°F | 75% | 1024 mb (30.24 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KLEW 051415Z 03003KT 10SM FEW055 02/M02 A3023 RMK AO1 |
| 08:55 EST |  Partly Cloudy | 1°C / 34°F | -2°C / 28°F | 81% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KLEW 051355Z 00000KT 10SM SCT055 01/M02 A3023 RMK AO1 |
| 08:35 EST |  Mostly Cloudy | 1°C / 34°F | -2°C / 28°F | 81% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KLEW 051335Z 00000KT 10SM BKN055 01/M02 A3024 RMK AO1 |
| 08:15 EST |  Overcast | 0°C / 32°F | -2°C / 28°F | 87% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KLEW 051315Z 00000KT 10SM OVC055 00/M02 A3024 RMK AO1 |
| 07:55 EST |  Mostly Cloudy | -1°C / 30°F | -2°C / 28°F | 93% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KLEW 051255Z 00000KT 10SM BKN055 BKN120 M01/M02 A3024 RMK AO1 |
| 07:35 EST |  Mostly Cloudy | -1°C / 30°F | -3°C / 27°F | 86% | 1023 mb (30.21 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KLEW 051235Z 36003KT 10SM SCT055 BKN120 M01/M03 A3022 RMK AO1 |
| 07:15 EST |  Partly Cloudy | -1°C / 30°F | -3°C / 27°F | 86% | 1024 mb (30.24 in) | NNE 6 kph (NNE 3.5 mph) | - | 10SM |
| | KLEW 051215Z 02003KT 10SM FEW055 M01/M03 A3024 RMK AO1 |
| 06:55 EST |  Clear | -1°C / 30°F | -3°C / 27°F | 86% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KLEW 051155Z 00000KT 10SM CLR M01/M03 A3023 RMK AO1 11010 21020 52003 |
| 06:35 EST |  Clear | -1°C / 30°F | -3°C / 27°F | 86% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KLEW 051135Z 00000KT 10SM CLR M01/M03 A3023 RMK AO1 |
| 06:15 EST |  Clear | -1°C / 30°F | -3°C / 27°F | 86% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KLEW 051115Z 00000KT 10SM CLR M01/M03 A3023 RMK AO1 |
| 05:55 EST |  Clear | -1°C / 30°F | -3°C / 27°F | 86% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KLEW 051055Z 00000KT 10SM CLR M01/M03 A3021 RMK AO1 |
| 05:35 EST |  Clear | -1°C / 30°F | -3°C / 27°F | 86% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KLEW 051035Z 00000KT 10SM CLR M01/M03 A3022 RMK AO1 |
| 05:15 EST |  Clear | -1°C / 30°F | -3°C / 27°F | 86% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KLEW 051015Z 00000KT 10SM CLR M01/M03 A3022 RMK AO1 |
| 04:55 EST |  Clear | -1°C / 30°F | -3°C / 27°F | 86% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KLEW 050955Z 00000KT 10SM CLR M01/M03 A3022 RMK AO1 |
| 04:35 EST |  Partly Cloudy | -1°C / 30°F | -3°C / 27°F | 86% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KLEW 050935Z 00000KT 10SM FEW100 M01/M03 A3021 RMK AO1 |
| 04:15 EST |  Partly Cloudy | -1°C / 30°F | -2°C / 28°F | 93% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KLEW 050915Z 00000KT 10SM SCT100 M01/M02 A3022 RMK AO1 |
| 03:55 EST |  Partly Cloudy | -1°C / 30°F | -3°C / 27°F | 86% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KLEW 050855Z 00000KT 10SM FEW120 M01/M03 A3022 RMK AO1 52007 |
| 03:35 EST |  Mostly Cloudy | -1°C / 30°F | -3°C / 27°F | 86% | 1023 mb (30.21 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KLEW 050835Z 36003KT 10SM BKN120 M01/M03 A3021 RMK AO1 |
| 03:15 EST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KLEW 050815Z 00000KT 10SM OVC120 M01/M03 A3020 RMK AO1 |
| 02:55 EST |  Mostly Cloudy | -1°C / 30°F | -3°C / 27°F | 86% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KLEW 050755Z 10SM BKN120 M01/M03 A3020 RMK AO1 |
| 02:35 EST |  Partly Cloudy | -1°C / 30°F | -3°C / 27°F | 86% | 1022 mb (30.18 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KLEW 050735Z 01003KT 10SM FEW120 M01/M03 A3019 RMK AO1 |
| 02:15 EST |  Clear | -1°C / 30°F | -3°C / 27°F | 86% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KLEW 050715Z 00000KT 10SM CLR M01/M03 A3019 RMK AO1 |
| 01:55 EST |  Partly Cloudy | -1°C / 30°F | -2°C / 28°F | 93% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KLEW 050655Z 00000KT 10SM FEW120 M01/M02 A3019 RMK AO1 |
| 01:35 EST |  Partly Cloudy | -1°C / 30°F | -3°C / 27°F | 86% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KLEW 050635Z 00000KT 10SM FEW120 M01/M03 A3020 RMK AO1 |
| 01:15 EST |  Clear | -1°C / 30°F | -3°C / 27°F | 86% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KLEW 050615Z 00000KT 10SM CLR M01/M03 A3020 RMK AO1 |
| 00:55 EST |  Clear | -1°C / 30°F | -3°C / 27°F | 86% | 1023 mb (30.21 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KLEW 050555Z 01003KT 10SM CLR M01/M03 A3020 RMK AO1 10030 21020 52003 |
| 00:35 EST |  Clear | 0°C / 32°F | -2°C / 28°F | 87% | 1022 mb (30.18 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KLEW 050535Z 36003KT 10SM CLR 00/M02 A3019 RMK AO1 |
| 00:15 EST |  Clear | -1°C / 30°F | -3°C / 27°F | 86% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KLEW 050515Z 00000KT 10SM CLR M01/M03 A3020 RMK AO1 |