| 07:01 EST |  Clear | -1°C / 30°F | -2°C / 28°F | 93% | 1020 mb (30.12 in) | Calm | - | 4SM |
| | KUKF 041201Z AUTO 00000KT 4SM CLR M01/M02 A3012 RMK AO1 |
| 06:41 EST |  Partly Cloudy | 1°C / 34°F | -1°C / 30°F | 87% | 1020 mb (30.12 in) | Calm | - | 5SM |
| | KUKF 041141Z AUTO 00000KT 5SM SCT038 01/M01 A3012 RMK AO1 |
| 06:21 EST |  Mostly Cloudy | 1°C / 34°F | -1°C / 30°F | 87% | 1020 mb (30.12 in) | Calm | - | 7SM |
| | KUKF 041121Z AUTO 00000KT 7SM BKN040 01/M01 A3011 RMK AO1 |
| 06:01 EST |  Overcast | 1°C / 34°F | 0°C / 32°F | 93% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KUKF 041101Z AUTO 00000KT 10SM OVC040 01/00 A3012 RMK AO1 |
| 05:41 EST |  Overcast | 0°C / 32°F | -1°C / 30°F | 93% | 1020 mb (30.12 in) | Calm | - | 7SM |
| | KUKF 041041Z AUTO 00000KT 7SM OVC040 00/M01 A3012 RMK AO1 |
| 05:21 EST |  Overcast | 0°C / 32°F | -2°C / 28°F | 87% | 1020 mb (30.12 in) | Calm | - | 7SM |
| | KUKF 041021Z AUTO 00000KT 7SM OVC040 00/M02 A3013 RMK AO1 |
| 05:01 EST |  Mostly Cloudy | -1°C / 30°F | -2°C / 28°F | 93% | 1020 mb (30.12 in) | Calm | - | 5SM |
| | KUKF 041001Z AUTO 00000KT 5SM BKN040 M01/M02 A3012 RMK AO1 |
| 04:41 EST |  Partly Cloudy | -1°C / 30°F | -2°C / 28°F | 93% | 1020 mb (30.12 in) | Calm | - | 7SM |
| | KUKF 040941Z AUTO 00000KT 7SM SCT040 M01/M02 A3012 RMK AO1 |
| 04:21 EST |  Clear | -1°C / 30°F | -2°C / 28°F | 93% | 1020 mb (30.12 in) | Calm | - | 7SM |
| | KUKF 040921Z AUTO 00000KT 7SM CLR M01/M02 A3011 RMK AO1 |
| 04:01 EST |  Clear | -1°C / 30°F | -2°C / 28°F | 93% | 1019 mb (30.09 in) | Calm | - | 7SM |
| | KUKF 040901Z AUTO 00000KT 7SM CLR M01/M02 A3010 RMK AO1 |
| 03:41 EST |  Clear | -1°C / 30°F | -3°C / 27°F | 86% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KUKF 040841Z AUTO 00000KT 10SM CLR M01/M03 A3010 RMK AO1 |
| 03:21 EST |  Clear | -1°C / 30°F | -3°C / 27°F | 86% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KUKF 040821Z AUTO 00000KT 10SM CLR M01/M03 A3009 RMK AO1 |
| 03:01 EST |  Clear | -1°C / 30°F | -2°C / 28°F | 93% | 1019 mb (30.09 in) | Calm | - | 7SM |
| | KUKF 040801Z AUTO 00000KT 7SM CLR M01/M02 A3009 RMK AO1 |
| 02:41 EST |  Clear | 0°C / 32°F | -2°C / 28°F | 87% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KUKF 040741Z AUTO 00000KT 10SM CLR 00/M02 A3010 RMK AO1 |
| 02:21 EST |  Clear | 0°C / 32°F | -2°C / 28°F | 87% | 1019 mb (30.09 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KUKF 040721Z AUTO 31003KT 10SM CLR 00/M02 A3009 RMK AO1 |
| 02:01 EST |  Clear | -1°C / 30°F | -2°C / 28°F | 93% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KUKF 040701Z AUTO 00000KT 10SM CLR M01/M02 A3008 RMK AO1 |
| 01:41 EST |  Clear | 0°C / 32°F | -2°C / 28°F | 87% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KUKF 040641Z AUTO 00000KT 10SM CLR 00/M02 A3008 RMK AO1 |
| 01:21 EST |  Clear | 1°C / 34°F | -2°C / 28°F | 81% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KUKF 040621Z AUTO 00000KT 10SM CLR 01/M02 A3007 RMK AO1 |
| 01:01 EST |  Clear | 1°C / 34°F | -1°C / 30°F | 87% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KUKF 040601Z AUTO 00000KT 10SM CLR 01/M01 A3006 RMK AO1 |
| 00:41 EST |  Clear | 1°C / 34°F | -2°C / 28°F | 81% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KUKF 040541Z AUTO 00000KT 10SM CLR 01/M02 A3006 RMK AO1 |
| 00:21 EST |  Clear | 2°C / 36°F | -1°C / 30°F | 81% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KUKF 040521Z AUTO 00000KT 10SM CLR 02/M01 A3006 RMK AO1 |
| 00:01 EST |  Clear | 2°C / 36°F | -1°C / 30°F | 81% | 1018 mb (30.06 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KUKF 040501Z AUTO 30004KT 10SM CLR 02/M01 A3006 RMK AO1 |