| 18:53 EST |  Mostly Cloudy | 6°C / 43°F | 2°C / 36°F | 76% | 1018 mb (30.06 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KGVL 042353Z AUTO 09004KT 10SM BKN030 06/02 A3005 RMK AO2 SLP178 T00560022 10089 20056 50000 |
| 17:53 EST |  Mostly Cloudy | 7°C / 45°F | 2°C / 36°F | 71% | 1018 mb (30.06 in) | E 6 kph (E 3.5 mph) | - | 7SM |
| | KGVL 042253Z AUTO 10003KT 7SM BKN030 07/02 A3007 RMK AO2 SLP184 T00670022 |
| 16:53 EST |  Mostly Cloudy | 7°C / 45°F | 2°C / 36°F | 71% | 1018 mb (30.06 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KGVL 042153Z AUTO 09003KT 10SM BKN031 07/02 A3006 RMK AO2 SLP181 T00720022 |
| 15:53 EST |  Partly Cloudy | 8°C / 46°F | 2°C / 36°F | 66% | 1018 mb (30.06 in) | SE 7 kph (SE 4.6 mph) | - | 10SM |
| | KGVL 042053Z AUTO 12004KT 10SM FEW029 08/02 A3005 RMK AO2 SLP176 T00780017 56013 |
| 14:53 EST |  Partly Cloudy | 9°C / 48°F | 2°C / 36°F | 62% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KGVL 041953Z AUTO 00000KT 10SM FEW028 09/02 A3007 RMK AO2 SLP184 T00890017 |
| 13:53 EST |  Clear | 9°C / 48°F | 2°C / 36°F | 62% | 1018 mb (30.06 in) | E 11 kph (E 6.9 mph) | - | 10SM |
| | KGVL 041853Z AUTO 08006KT 10SM CLR 09/02 A3006 RMK AO2 SLP180 T00890017 |
| 12:53 EST |  Clear | 8°C / 46°F | 2°C / 36°F | 66% | 1019 mb (30.09 in) | ENE 11 kph (ENE 6.9 mph) | - | 10SM |
| | KGVL 041753Z AUTO 07006KT 10SM CLR 08/02 A3009 RMK AO2 SLP189 T00830017 10083 20011 58021 |
| 11:53 EST |  Partly Cloudy | 8°C / 46°F | 2°C / 36°F | 66% | 1020 mb (30.12 in) | ENE 13 kph (ENE 8.1 mph) | - | 10SM |
| | KGVL 041653Z AUTO 07007KT 10SM FEW031 SCT110 08/02 A3013 RMK AO2 PRESFR SLP204 T00830017 |
| 10:53 EST |  Partly Cloudy | 7°C / 45°F | 1°C / 34°F | 66% | 1021 mb (30.15 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KGVL 041553Z AUTO 09005KT 10SM FEW110 07/01 A3016 RMK AO2 SLP215 T00720011 |
| 09:53 EST |  Mostly Cloudy | 6°C / 43°F | 2°C / 36°F | 76% | 1021 mb (30.15 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KGVL 041453Z AUTO 06003KT 10SM BKN031 06/02 A3015 RMK AO2 SLP213 T00610017 51013 |
| 08:53 EST |  Partly Cloudy | 4°C / 39°F | 2°C / 36°F | 87% | 1021 mb (30.15 in) | NE 7 kph (NE 4.6 mph) | - | 10SM |
| | KGVL 041353Z AUTO 03004KT 10SM FEW110 04/02 A3014 RMK AO2 SLP208 T00440017 |
| 07:53 EST |  Clear | 2°C / 36°F | 1°C / 34°F | 93% | 1020 mb (30.12 in) | Calm | - | 8SM |
| | KGVL 041253Z AUTO 00000KT 8SM CLR 02/01 A3013 RMK AO2 SLP205 T00220011 |
| 06:53 EST |  Clear | 2°C / 36°F | 0°C / 32°F | 87% | 1020 mb (30.12 in) | Calm | - | 9SM |
| | KGVL 041153Z AUTO 00000KT 9SM CLR 02/00 A3011 RMK AO2 SLP200 T00170000 10033 20017 51008 |
| 05:53 EST |  Clear | 3°C / 37°F | 1°C / 34°F | 87% | 1020 mb (30.12 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | KGVL 041053Z AUTO 33003KT 10SM CLR 03/01 A3011 RMK AO2 SLP198 T00280006 |
| 04:53 EST |  Clear | 3°C / 37°F | 1°C / 34°F | 87% | 1019 mb (30.09 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | KGVL 040953Z AUTO 34003KT 10SM CLR 03/01 A3009 RMK AO2 SLP190 T00280006 |
| 03:53 EST |  Clear | 3°C / 37°F | 1°C / 34°F | 87% | 1019 mb (30.09 in) | NNW 7 kph (NNW 4.6 mph) | - | 10SM |
| | KGVL 040853Z AUTO 33004KT 10SM CLR 03/01 A3008 RMK AO2 SLP188 T00280006 50002 |
| 02:53 EST |  Clear | 3°C / 37°F | 1°C / 34°F | 87% | 1019 mb (30.09 in) | WNW 7 kph (WNW 4.6 mph) | - | 10SM |
| | KGVL 040753Z AUTO 29004KT 10SM CLR 03/01 A3010 RMK AO2 SLP193 T00280011 |
| 01:53 EST |  Clear | 3°C / 37°F | 1°C / 34°F | 87% | 1019 mb (30.09 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KGVL 040653Z AUTO 30006KT 10SM CLR 03/01 A3009 RMK AO2 SLP188 T00330011 |
| 00:53 EST |  Clear | 3°C / 37°F | 1°C / 34°F | 87% | 1019 mb (30.09 in) | W 13 kph (W 8.1 mph) | - | 10SM |
| | KGVL 040553Z AUTO 28007KT 10SM CLR 03/01 A3008 RMK AO2 SLP186 T00330006 10056 20033 53007 |