| 08:00 EST |  Overcast Light Snow | 2°C / 36°F | 0°C / 32°F | 87% | 1009 mb (29.8 in) | W 13 kph (W 8.1 mph) | - | 10SM |
| | KLWB 271300Z AUTO 27007KT 10SM -SN SCT017 BKN023 OVC033 02/00 A2980 RMK AO2 |
| 07:41 EST |  Overcast | 2°C / 36°F | 0°C / 32°F | 87% | 1009 mb (29.8 in) | W 13 kph (W 8.1 mph) | - | 5SM |
| | KLWB 271241Z AUTO 28007KT 5SM SCT016 OVC027 02/00 A2980 RMK AO2 |
| 07:21 EST |  Overcast | 2°C / 36°F | 0°C / 32°F | 87% | 1009 mb (29.8 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KLWB 271221Z AUTO 27005KT 10SM BKN027 BKN039 OVC044 02/00 A2980 RMK AO2 |
| 07:01 EST |  Overcast | 2°C / 36°F | 0°C / 32°F | 87% | 1009 mb (29.8 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KLWB 271201Z AUTO 27008KT 10SM SCT027 OVC044 02/00 A2980 RMK AO2 |
| 06:42 EST |  Overcast | 2°C / 36°F | 0°C / 32°F | 87% | 1009 mb (29.8 in) | W 13 kph (W 8.1 mph) | - | 7SM |
| | KLWB 271142Z AUTO 28007KT 7SM BKN027 OVC042 02/00 A2980 RMK AO2 |
| 06:20 EST |  Overcast Light Snow | 1°C / 34°F | 0°C / 32°F | 93% | 1009 mb (29.8 in) | W 15 kph (W 9.2 mph) | - | 5SM |
| | KLWB 271120Z AUTO 28008KT 5SM -SN SCT019 OVC025 01/00 A2980 RMK AO2 |
| 06:02 EST |  Overcast Light Snow | 1°C / 34°F | 0°C / 32°F | 93% | 1009 mb (29.8 in) | WNW 15 kph (WNW 9.2 mph) | - | 5SM |
| | KLWB 271102Z AUTO 29008KT 5SM -SN BKN025 BKN041 OVC070 01/00 A2980 RMK AO2 |
| 05:41 EST |  Overcast Light Snow | 1°C / 34°F | 0°C / 32°F | 93% | 1009 mb (29.8 in) | W 15 kph (W 9.2 mph) | - | 5SM |
| | KLWB 271041Z AUTO 27008KT 5SM -SN SCT014 BKN033 OVC045 01/00 A2979 RMK AO2 |
| 05:22 EST |  Overcast Light Snow | 1°C / 34°F | 0°C / 32°F | 93% | 1009 mb (29.8 in) | W 13 kph (W 8.1 mph) | - | 5SM |
| | KLWB 271022Z AUTO 28007KT 5SM -SN SCT014 BKN024 OVC042 01/00 A2979 RMK AO2 |
| 05:02 EST |  Overcast Light Snow | 2°C / 36°F | 0°C / 32°F | 87% | 1009 mb (29.8 in) | SSW 9 kph (SSW 5.8 mph) | - | 3SM |
| | KLWB 271002Z AUTO 26005KT 3SM -SN SCT015 BKN022 OVC032 02/00 A2979 RMK AO2 |
| 04:41 EST |  Overcast | 2°C / 36°F | 0°C / 32°F | 87% | 1009 mb (29.8 in) | W 13 kph (W 8.1 mph) | - | 10SM |
| | KLWB 270941Z AUTO 28007G14KT 10SM SCT019 OVC030 02/00 A2979 RMK AO2 |
| 04:21 EST |  Overcast Light Snow | 2°C / 36°F | 0°C / 32°F | 87% | 1009 mb (29.8 in) | W 11 kph (W 6.9 mph) | - | 10SM |
| | KLWB 270921Z AUTO 27006KT 10SM -SN SCT014 BKN024 OVC030 02/00 A2979 RMK AO2 |
| 04:01 EST |  Overcast | 2°C / 36°F | 0°C / 32°F | 87% | 1009 mb (29.8 in) | W 11 kph (W 6.9 mph) | - | 7SM |
| | KLWB 270901Z AUTO 27006KT 7SM BKN014 OVC023 02/00 A2979 RMK AO2 |
| 03:41 EST |  Overcast | 2°C / 36°F | 0°C / 32°F | 87% | 1009 mb (29.8 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KLWB 270841Z AUTO 25006KT 10SM BKN016 OVC023 02/00 A2979 RMK AO2 |
| 03:21 EST |  Overcast | 2°C / 36°F | 0°C / 32°F | 87% | 1009 mb (29.8 in) | SSW 11 kph (SSW 6.9 mph) | - | 7SM |
| | KLWB 270821Z AUTO 26006KT 7SM BKN016 BKN021 OVC026 02/00 A2980 RMK AO2 |
| 03:01 EST |  Overcast | 2°C / 36°F | -1°C / 30°F | 81% | 1009 mb (29.8 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KLWB 270801Z AUTO 28005KT 10SM SCT020 OVC024 02/M01 A2980 RMK AO2 |
| 02:42 EST |  Overcast | 2°C / 36°F | -1°C / 30°F | 81% | 1009 mb (29.8 in) | W 17 kph (W 10.4 mph) | - | 10SM |
| | KLWB 270742Z AUTO 28009KT 10SM OVC024 02/M01 A2980 RMK AO2 |
| 02:22 EST |  Overcast | 2°C / 36°F | -1°C / 30°F | 81% | 1009 mb (29.8 in) | W 13 kph (W 8.1 mph) | - | 10SM |
| | KLWB 270722Z AUTO 28007KT 10SM OVC021 02/M01 A2980 RMK AO2 |
| 02:01 EST |  Overcast | 2°C / 36°F | -1°C / 30°F | 81% | 1009 mb (29.8 in) | WNW 11 kph (WNW 6.9 mph) | - | 10SM |
| | KLWB 270701Z AUTO 29006G16KT 10SM OVC019 02/M01 A2980 RMK AO2 |
| 01:41 EST |  Overcast | 2°C / 36°F | -1°C / 30°F | 81% | 1009 mb (29.8 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KLWB 270641Z AUTO 31006G17KT 10SM OVC019 02/M01 A2979 RMK AO2 LTG DSNT E |
| 01:21 EST |  Overcast | 2°C / 36°F | -1°C / 30°F | 81% | 1009 mb (29.8 in) | WNW 11 kph (WNW 6.9 mph) | - | 10SM |
| | KLWB 270621Z AUTO 29006KT 10SM OVC019 02/M01 A2979 RMK AO2 |
| 01:02 EST |  Overcast | 2°C / 36°F | -1°C / 30°F | 81% | 1009 mb (29.8 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KLWB 270602Z AUTO 30007G17KT 10SM OVC019 02/M01 A2980 RMK AO2 |
| 00:40 EST |  Overcast | 2°C / 36°F | -2°C / 28°F | 75% | 1009 mb (29.8 in) | WNW 11 kph (WNW 6.9 mph) | - | 10SM |
| | KLWB 270540Z AUTO 29006KT 10SM OVC026 02/M02 A2980 RMK AO2 |
| 00:22 EST |  Overcast | 2°C / 36°F | -2°C / 28°F | 75% | 1009 mb (29.8 in) | WNW 17 kph (WNW 10.4 mph) | - | 10SM |
| | KLWB 270522Z AUTO 29009G15KT 10SM OVC026 02/M02 A2980 RMK AO2 |
| 00:01 EST |  Overcast | 3°C / 37°F | -3°C / 27°F | 65% | 1009 mb (29.8 in) | WNW 15 kph (WNW 9.2 mph) | - | 10SM |
| | KLWB 270501Z AUTO 29008KT 10SM OVC028 03/M03 A2980 RMK AO2 |