| 06:57 EST |  Overcast | 0°C / 32°F | -1°C / 30°F | 93% | 1020 mb (30.12 in) | NW 17 kph (NW 10.4 mph) | - | 7SM |
| | KLWA 151157Z AUTO 31009G18KT 7SM BKN016 OVC021 00/M01 A3012 RMK AO2 |
| 06:36 EST |  Overcast | 1°C / 34°F | -1°C / 30°F | 87% | 1020 mb (30.12 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KLWA 151136Z AUTO 31010G17KT 10SM OVC017 01/M01 A3011 RMK AO2 |
| 06:16 EST |  Overcast | 1°C / 34°F | -1°C / 30°F | 87% | 1019 mb (30.09 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KLWA 151116Z AUTO 31010G17KT 10SM BKN018 OVC024 01/M01 A3010 RMK AO2 |
| 05:55 EST |  Overcast | 1°C / 34°F | -1°C / 30°F | 87% | 1019 mb (30.09 in) | NNW 15 kph (NNW 9.2 mph) | - | 10SM |
| | KLWA 151055Z AUTO 33008G24KT 10SM OVC016 01/M01 A3009 RMK AO2 |
| 05:36 EST |  Overcast | 1°C / 34°F | 0°C / 32°F | 93% | 1019 mb (30.09 in) | NW 24 kph (NW 15 mph) | - | 10SM |
| | KLWA 151036Z AUTO 32013G18KT 10SM OVC016 01/00 A3009 RMK AO2 |
| 05:16 EST |  Overcast | 1°C / 34°F | 0°C / 32°F | 93% | 1019 mb (30.09 in) | NNW 26 kph (NNW 16.1 mph) | - | 10SM |
| | KLWA 151016Z AUTO 33014G19KT 10SM OVC016 01/00 A3008 RMK AO2 |
| 04:55 EST |  Overcast | 1°C / 34°F | 0°C / 32°F | 93% | 1018 mb (30.06 in) | NW 24 kph (NW 15 mph) | - | 10SM |
| | KLWA 150955Z AUTO 32013G17KT 10SM OVC014 01/00 A3007 RMK AO2 |
| 04:36 EST |  Overcast | 1°C / 34°F | 0°C / 32°F | 93% | 1018 mb (30.06 in) | NNW 26 kph (NNW 16.1 mph) | - | 10SM |
| | KLWA 150936Z AUTO 33014G18KT 10SM OVC012 01/00 A3007 RMK AO2 |
| 04:16 EST |  Overcast | 1°C / 34°F | 0°C / 32°F | 93% | 1018 mb (30.06 in) | NNW 24 kph (NNW 15 mph) | - | 10SM |
| | KLWA 150916Z AUTO 33013G20KT 10SM OVC012 01/00 A3007 RMK AO2 |
| 03:55 EST |  Overcast | 1°C / 34°F | 0°C / 32°F | 93% | 1018 mb (30.06 in) | NW 26 kph (NW 16.1 mph) | - | 10SM |
| | KLWA 150855Z AUTO 32014G23KT 10SM BKN009 OVC013 01/00 A3006 RMK AO2 |
| 03:36 EST |  Overcast | 2°C / 36°F | 0°C / 32°F | 87% | 1018 mb (30.06 in) | NW 26 kph (NW 16.1 mph) | - | 10SM |
| | KLWA 150836Z AUTO 32014G21KT 10SM BKN009 OVC013 02/00 A3005 RMK AO2 |
| 03:16 EST |  Overcast Light Rain | 2°C / 36°F | 0°C / 32°F | 87% | 1017 mb (30.03 in) | NNW 17 kph (NNW 10.4 mph) | - | 4SM |
| | KLWA 150816Z AUTO 33009G18KT 4SM -RA SCT007 BKN011 OVC023 02/00 A3004 RMK AO2 |
| 02:55 EST |  Overcast Light Rain | 2°C / 36°F | 0°C / 32°F | 87% | 1017 mb (30.03 in) | NNW 26 kph (NNW 16.1 mph) | - | 5SM |
| | KLWA 150755Z AUTO 34014G21KT 5SM -RA SCT009 BKN015 OVC024 02/00 A3003 RMK AO2 |
| 02:36 EST |  Overcast Light Rain | 2°C / 36°F | 1°C / 34°F | 93% | 1017 mb (30.03 in) | NNW 24 kph (NNW 15 mph) | - | 5SM |
| | KLWA 150736Z AUTO 33013G22KT 5SM -RA SCT009 OVC016 02/01 A3002 RMK AO2 |
| 02:16 EST |  Overcast Light Rain | 2°C / 36°F | 1°C / 34°F | 93% | 1016 mb (30 in) | NW 26 kph (NW 16.1 mph) | - | 5SM |
| | KLWA 150716Z AUTO 32014G21KT 5SM -RA OVC009 02/01 A3000 RMK AO2 |
| 01:55 EST |  Overcast Light Rain | 2°C / 36°F | 1°C / 34°F | 93% | 1016 mb (30 in) | NW 24 kph (NW 15 mph) | - | 5SM |
| | KLWA 150655Z AUTO 30013G19KT 5SM -RA BKN007 OVC015 02/01 A2999 RMK AO2 |
| 01:36 EST |  Overcast Drizzle | 2°C / 36°F | 1°C / 34°F | 93% | 1015 mb (29.97 in) | NW 26 kph (NW 16.1 mph) | - | 7SM |
| | KLWA 150636Z AUTO 31014G20KT 7SM -DZ SCT005 BKN010 OVC013 02/01 A2998 RMK AO2 |
| 01:16 EST |  Overcast Light Rain | 1°C / 34°F | 0°C / 32°F | 93% | 1015 mb (29.97 in) | W 26 kph (W 16.1 mph) | - | 5SM |
| | KLWA 150616Z AUTO 28014G19KT 5SM -RA OVC005 01/00 A2997 RMK AO2 |
| 00:55 EST |  Overcast Light Snow | 1°C / 34°F | 0°C / 32°F | 93% | 1015 mb (29.97 in) | W 22 kph (W 13.8 mph) | - | 4SM |
| | KLWA 150555Z AUTO 27012G20KT 4SM -SN OVC007 01/00 A2997 RMK AO2 |
| 00:36 EST |  Overcast Light Snow | 1°C / 34°F | 0°C / 32°F | 93% | 1015 mb (29.97 in) | SSW 19 kph (SSW 11.5 mph) | - | 2 1/2SM |
| | KLWA 150536Z AUTO 26010G19KT 2 1/2SM -SN OVC009 01/00 A2997 RMK AO2 |
| 00:16 EST |  Overcast | 1°C / 34°F | 0°C / 32°F | 93% | 1015 mb (29.97 in) | W 24 kph (W 15 mph) | - | 10SM |
| | KLWA 150516Z AUTO 27013G18KT 10SM OVC009 01/00 A2997 RMK AO2 |