| 06:55 EST |  Overcast | -3°C / 27°F | -4°C / 25°F | 93% | 1009 mb (29.8 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KCIU 301155Z AUTO 24003KT 10SM OVC065 M03/M04 A2981 RMK AO1 70011 11010 21030 57003 |
| 06:35 EST |  Mostly Cloudy | -3°C / 27°F | -4°C / 25°F | 93% | 1009 mb (29.8 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KCIU 301135Z AUTO 23003KT 10SM BKN065 M03/M04 A2980 RMK AO1 |
| 06:15 EST |  Clear | -3°C / 27°F | -4°C / 25°F | 93% | 1009 mb (29.8 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KCIU 301115Z AUTO 23003KT 10SM CLR M03/M04 A2980 RMK AO1 |
| 05:55 EST |  Mostly Cloudy | -2°C / 28°F | -4°C / 25°F | 86% | 1009 mb (29.8 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KCIU 301055Z AUTO 24004KT 10SM BKN050 M02/M04 A2980 RMK AO1 |
| 05:35 EST |  Mostly Cloudy | -2°C / 28°F | -4°C / 25°F | 86% | 1009 mb (29.8 in) | SW 7 kph (SW 4.6 mph) | - | 10SM |
| | KCIU 301035Z AUTO 23004KT 10SM BKN060 M02/M04 A2980 RMK AO1 |
| 05:15 EST |  Mostly Cloudy | -2°C / 28°F | -4°C / 25°F | 86% | 1009 mb (29.8 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KCIU 301015Z AUTO 25004KT 10SM BKN060 M02/M04 A2981 RMK AO1 |
| 04:55 EST |  Mostly Cloudy | -2°C / 28°F | -3°C / 27°F | 93% | 1009 mb (29.8 in) | Calm | - | 10SM |
| | KCIU 300955Z AUTO 00000KT 10SM FEW010 SCT016 BKN060 M02/M03 A2981 RMK AO1 |
| 04:35 EST |  Mostly Cloudy | -2°C / 28°F | -4°C / 25°F | 86% | 1010 mb (29.83 in) | NE 6 kph (NE 3.5 mph) | - | 6SM |
| | KCIU 300935Z AUTO 03003KT 6SM FEW008 SCT018 BKN038 M02/M04 A2982 RMK AO1 |
| 04:15 EST |  Overcast | -2°C / 28°F | -3°C / 27°F | 93% | 1010 mb (29.83 in) | Calm | - | 10SM |
| | KCIU 300915Z AUTO 00000KT 10SM SCT039 OVC060 M02/M03 A2982 RMK AO1 |
| 03:55 EST |  Overcast | -2°C / 28°F | -3°C / 27°F | 93% | 1010 mb (29.83 in) | SSW 9 kph (SSW 5.8 mph) | - | 8SM |
| | KCIU 300855Z AUTO 26005KT 8SM SCT041 OVC060 M02/M03 A2982 RMK AO1 52007 |
| 03:35 EST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1010 mb (29.83 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KCIU 300835Z AUTO 28005KT 10SM BKN041 OVC050 M02/M04 A2982 RMK AO1 |
| 03:15 EST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1010 mb (29.83 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KCIU 300815Z AUTO 26004KT 10SM BKN048 OVC055 M02/M04 A2982 RMK AO1 |
| 02:55 EST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1010 mb (29.83 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KCIU 300755Z AUTO 27003KT 10SM OVC044 M02/M04 A2982 RMK AO1 |
| 02:35 EST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1010 mb (29.83 in) | Calm | - | 10SM |
| | KCIU 300735Z AUTO 00000KT 10SM OVC046 M02/M04 A2982 RMK AO1 |
| 02:15 EST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1010 mb (29.83 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KCIU 300715Z AUTO 26005KT 10SM OVC046 M02/M04 A2982 RMK AO1 |
| 01:55 EST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1009 mb (29.8 in) | Calm | - | 10SM |
| | KCIU 300655Z AUTO 00000KT 10SM OVC050 M02/M04 A2981 RMK AO1 |
| 01:35 EST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1009 mb (29.8 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KCIU 300635Z AUTO 36003KT 10SM SCT041 OVC050 M02/M04 A2981 RMK AO1 |
| 01:15 EST |  Overcast | -1°C / 30°F | -4°C / 25°F | 80% | 1009 mb (29.8 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KCIU 300615Z AUTO 36004KT 10SM SCT040 OVC046 M01/M04 A2981 RMK AO1 |
| 00:55 EST |  Overcast | -1°C / 30°F | -4°C / 25°F | 80% | 1009 mb (29.8 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KCIU 300555Z AUTO 01005KT 10SM OVC044 M01/M04 A2980 RMK AO1 10000 21020 400201020 52010 |
| 00:35 EST |  Overcast | -1°C / 30°F | -4°C / 25°F | 80% | 1009 mb (29.8 in) | N 11 kph (N 6.9 mph) | - | 10SM |
| | KCIU 300535Z AUTO 36006KT 10SM OVC044 M01/M04 A2980 RMK AO1 |
| 00:15 EST |  Mostly Cloudy | -2°C / 28°F | -4°C / 25°F | 86% | 1009 mb (29.8 in) | N 11 kph (N 6.9 mph) | - | 10SM |
| | KCIU 300515Z AUTO 36006KT 10SM BKN046 M02/M04 A2980 RMK AO1 |