| 14:53 EST |  Overcast | 9°C / 48°F | 7°C / 45°F | 87% | 1009 mb (29.8 in) | Variable 6 kph (Variable 3.5 mph) | - | 10SM |
| | KGVL 251953Z AUTO VRB03KT 10SM SCT009 OVC030 09/07 A2980 RMK AO2 SLP090 T00890072 |
| 14:30 EST |  Overcast | 8°C / 46°F | 7°C / 45°F | 93% | 1009 mb (29.8 in) | Calm | - | 10SM |
| | KGVL 251930Z AUTO 00000KT 10SM FEW007 SCT021 OVC030 08/07 A2979 RMK AO2 |
| 14:05 EST |  Overcast | 8°C / 46°F | 7°C / 45°F | 93% | 1009 mb (29.8 in) | Calm | - | 10SM |
| | KGVL 251905Z AUTO 00000KT 10SM FEW006 BKN025 OVC030 08/07 A2979 RMK AO2 |
| 13:53 EST |  Overcast | 8°C / 46°F | 7°C / 45°F | 93% | 1009 mb (29.8 in) | Calm | - | 10SM |
| | KGVL 251853Z AUTO 00000KT 10SM SCT004 OVC030 08/07 A2979 RMK AO2 SLP089 T00780067 |
| 13:50 EST |  Overcast | 8°C / 46°F | 7°C / 45°F | 93% | 1009 mb (29.8 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KGVL 251850Z AUTO 10003KT 10SM SCT004 OVC030 08/07 A2980 RMK AO2 |
| 13:41 EST |  Overcast | 8°C / 46°F | 7°C / 45°F | 93% | 1009 mb (29.8 in) | ESE 7 kph (ESE 4.6 mph) | - | 10SM |
| | KGVL 251841Z AUTO 11004KT 10SM BKN004 OVC030 08/07 A2980 RMK AO2 |
| 12:53 EST |  Overcast | 7°C / 45°F | 6°C / 43°F | 93% | 1009 mb (29.8 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KGVL 251753Z AUTO 09003KT 10SM OVC002 07/06 A2980 RMK AO2 SLP093 60000 T00670061 10067 20039 58008 |
| 11:53 EST |  Overcast | 6°C / 43°F | 6°C / 43°F | 100% | 1010 mb (29.83 in) | E 11 kph (E 6.9 mph) | - | 10SM |
| | KGVL 251653Z AUTO 10006KT 10SM OVC002 06/06 A2982 RMK AO2 SLP098 T00560056 |
| 11:20 EST |  Overcast | 6°C / 43°F | 5°C / 41°F | 93% | 1010 mb (29.83 in) | ENE 13 kph (ENE 8.1 mph) | - | 10SM |
| | KGVL 251620Z AUTO 06007KT 10SM OVC002 06/05 A2982 RMK AO2 |
| 10:53 EST |  Overcast | 5°C / 41°F | 4°C / 39°F | 93% | 1010 mb (29.83 in) | ENE 13 kph (ENE 8.1 mph) | - | 9SM |
| | KGVL 251553Z AUTO 07007KT 9SM OVC004 05/04 A2983 RMK AO2 SLP101 T00500044 |
| 10:12 EST |  Overcast Fog And Mist | 4°C / 39°F | 4°C / 39°F | 100% | 1010 mb (29.83 in) | ENE 7 kph (ENE 4.6 mph) | - | 3SM |
| | KGVL 251512Z AUTO 06004KT 3SM BR OVC004 04/04 A2983 RMK AO2 |
| 10:03 EST |  Overcast Fog And Mist | 4°C / 39°F | 4°C / 39°F | 100% | 1010 mb (29.83 in) | Calm | - | 2SM |
| | KGVL 251503Z AUTO 00000KT 2SM BR OVC004 04/04 A2983 RMK AO2 |
| 09:53 EST |  Overcast Fog And Mist | 4°C / 39°F | 4°C / 39°F | 100% | 1010 mb (29.83 in) | ENE 6 kph (ENE 3.5 mph) | - | 2 1/2SM |
| | KGVL 251453Z AUTO 07003KT 2 1/2SM BR OVC004 04/04 A2983 RMK AO2 SLP102 60000 T00440039 53015 |
| 09:46 EST |  Overcast Fog And Mist | 4°C / 39°F | 4°C / 39°F | 100% | 1010 mb (29.83 in) | ENE 9 kph (ENE 5.8 mph) | - | 2 1/2SM |
| | KGVL 251446Z AUTO 06005KT 2 1/2SM BR OVC004 04/04 A2982 RMK AO2 |
| 09:36 EST |  Overcast Fog And Mist | 4°C / 39°F | 4°C / 39°F | 100% | 1009 mb (29.8 in) | E 11 kph (E 6.9 mph) | - | 1 3/4SM |
| | KGVL 251436Z AUTO 09006KT 1 3/4SM BR OVC004 04/04 A2981 RMK AO2 |
| 09:27 EST |  Overcast Fog And Mist | 4°C / 39°F | 4°C / 39°F | 100% | 1009 mb (29.8 in) | ENE 15 kph (ENE 9.2 mph) | - | 2SM |
| | KGVL 251427Z AUTO 07008KT 2SM BR OVC004 04/04 A2981 RMK AO2 |
| 08:53 EST |  Overcast | 4°C / 39°F | 3°C / 37°F | 93% | 1009 mb (29.8 in) | E 15 kph (E 9.2 mph) | - | 10SM |
| | KGVL 251353Z AUTO 08008KT 10SM OVC004 04/03 A2980 RMK AO2 SLP092 T00390033 |
| 08:22 EST |  Overcast | 4°C / 39°F | 3°C / 37°F | 93% | 1008 mb (29.77 in) | E 19 kph (E 11.5 mph) | - | 10SM |
| | KGVL 251322Z AUTO 08010G17KT 10SM BKN004 OVC016 04/03 A2978 RMK AO2 |
| 08:10 EST |  Overcast | 4°C / 39°F | 3°C / 37°F | 93% | 1008 mb (29.77 in) | E 20 kph (E 12.7 mph) | - | 10SM |
| | KGVL 251310Z AUTO 08011G18KT 10SM SCT006 OVC016 04/03 A2978 RMK AO2 |
| 07:53 EST |  Overcast | 4°C / 39°F | 3°C / 37°F | 93% | 1008 mb (29.77 in) | ENE 20 kph (ENE 12.7 mph) | 0.00 mm (0.00 in) | 7SM |
| | KGVL 251253Z AUTO 07011G18KT 7SM FEW006 OVC014 04/03 A2976 RMK AO2 RAB1158E19 SLP080 P0000 T00390033 |
| 07:40 EST |  Overcast | 4°C / 39°F | 3°C / 37°F | 93% | 1008 mb (29.77 in) | ENE 20 kph (ENE 12.7 mph) | 0.00 mm (0.00 in) | 7SM |
| | KGVL 251240Z AUTO 07011KT 7SM SCT006 OVC014 04/03 A2977 RMK AO2 RAB1158E19 P0000 |
| 07:20 EST |  Overcast | 4°C / 39°F | 3°C / 37°F | 93% | 1008 mb (29.77 in) | ENE 20 kph (ENE 12.7 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGVL 251220Z AUTO 07011KT 10SM BKN006 OVC020 04/03 A2978 RMK AO2 RAB1158E19 CIG 004V009 P0000 |
| 06:53 EST |  Overcast | 4°C / 39°F | 3°C / 37°F | 93% | 1008 mb (29.77 in) | ENE 17 kph (ENE 10.4 mph) | 4.83 mm (0.19 in) | 10SM |
| | KGVL 251153Z AUTO 07009G16KT 10SM BKN004 OVC021 04/03 A2978 RMK AO2 RAE49 CIG 003V007 SLP085 P0019 60153 70189 T00390033 10050 20033 55000 |
| 06:34 EST |  Overcast Light Rain | 3°C / 37°F | 3°C / 37°F | 100% | 1008 mb (29.77 in) | E 24 kph (E 15 mph) | 4.57 mm (0.18 in) | 5SM |
| | KGVL 251134Z AUTO 08013G19KT 5SM -RA BR BKN004 BKN016 OVC033 03/03 A2977 RMK AO2 P0018 |
| 06:27 EST |  Overcast Rain | 3°C / 37°F | 3°C / 37°F | 100% | 1008 mb (29.77 in) | ENE 24 kph (ENE 15 mph) | 4.32 mm (0.17 in) | 4SM |
| | KGVL 251127Z AUTO 07013G20KT 4SM RA BR SCT004 BKN016 OVC033 03/03 A2977 RMK AO2 P0017 |
| 06:18 EST |  Overcast Heavy Rain | 4°C / 39°F | 3°C / 37°F | 93% | 1008 mb (29.77 in) | ENE 24 kph (ENE 15 mph) | 3.81 mm (0.15 in) | 2 1/2SM |
| | KGVL 251118Z AUTO 07013G20KT 2 1/2SM +RA BR SCT004 BKN013 OVC033 04/03 A2976 RMK AO2 P0015 |
| 06:12 EST |  Overcast Light Rain | 4°C / 39°F | 3°C / 37°F | 93% | 1008 mb (29.77 in) | ENE 24 kph (ENE 15 mph) | 2.79 mm (0.11 in) | 4SM |
| | KGVL 251112Z AUTO 07013G19KT 4SM -RA BR SCT004 BKN008 OVC026 04/03 A2976 RMK AO2 P0011 |
| 06:01 EST |  Overcast Heavy Rain | 4°C / 39°F | 3°C / 37°F | 93% | 1008 mb (29.77 in) | ENE 20 kph (ENE 12.7 mph) | 1.78 mm (0.07 in) | 2 1/2SM |
| | KGVL 251101Z AUTO 07011KT 2 1/2SM +RA BR BKN004 BKN010 OVC029 04/03 A2977 RMK AO2 P0007 |
| 05:53 EST |  Overcast Rain | 4°C / 39°F | 3°C / 37°F | 93% | 1008 mb (29.77 in) | ENE 22 kph (ENE 13.8 mph) | 4.32 mm (0.17 in) | 4SM |
| | KGVL 251053Z AUTO 07012KT 4SM RA BR BKN006 OVC010 04/03 A2978 RMK AO2 CIG 003V007 SLP083 P0017 T00390033 |
| 05:36 EST |  Overcast Rain | 4°C / 39°F | 3°C / 37°F | 93% | 1008 mb (29.77 in) | ENE 20 kph (ENE 12.7 mph) | 2.79 mm (0.11 in) | 3SM |
| | KGVL 251036Z AUTO 07011G17KT 3SM RA BR BKN006 OVC012 04/03 A2978 RMK AO2 CIG 003V010 P0011 |
| 05:34 EST |  Overcast Heavy Rain | 4°C / 39°F | 3°C / 37°F | 93% | 1008 mb (29.77 in) | ENE 24 kph (ENE 15 mph) | 2.79 mm (0.11 in) | 2 1/2SM |
| | KGVL 251034Z AUTO 07013G17KT 2 1/2SM +RA BR OVC004 04/03 A2978 RMK AO2 CIG 003V010 P0011 |
| 04:53 EST |  Overcast Rain | 4°C / 39°F | 3°C / 37°F | 93% | 1007 mb (29.74 in) | ENE 24 kph (ENE 15 mph) | 7.11 mm (0.28 in) | 5SM |
| | KGVL 250953Z AUTO 07013G20KT 5SM RA BR OVC004 04/03 A2975 RMK AO2 PRESFR SLP073 P0028 T00390033 |
| 04:44 EST |  Overcast Rain | 4°C / 39°F | 3°C / 37°F | 93% | 1008 mb (29.77 in) | E 28 kph (E 17.3 mph) | 6.60 mm (0.26 in) | 4SM |
| | KGVL 250944Z AUTO 08015G22KT 4SM RA BR OVC004 04/03 A2977 RMK AO2 CIG 003V008 P0026 |
| 04:27 EST |  Overcast Light Rain | 4°C / 39°F | 3°C / 37°F | 93% | 1008 mb (29.77 in) | E 28 kph (E 17.3 mph) | 6.10 mm (0.24 in) | 4SM |
| | KGVL 250927Z AUTO 08015G21KT 4SM -RA BR BKN006 OVC014 04/03 A2978 RMK AO2 CIG 004V008 P0024 |
| 04:10 EST |  Overcast Heavy Rain | 4°C / 39°F | 3°C / 37°F | 93% | 1009 mb (29.8 in) | E 24 kph (E 15 mph) | 4.06 mm (0.16 in) | 2 1/2SM |
| | KGVL 250910Z AUTO 09013G20KT 2 1/2SM +RA BR BKN006 OVC015 04/03 A2980 RMK AO2 CIG 003V008 P0016 |
| 04:00 EST |  Overcast Heavy Rain | 4°C / 39°F | 3°C / 37°F | 93% | 1009 mb (29.8 in) | E 33 kph (E 20.7 mph) | 1.02 mm (0.04 in) | 3SM |
| | KGVL 250900Z AUTO 08018G23KT 3SM +RA BR OVC004 04/03 A2980 RMK AO2 CIG 003V008 P0004 |
| 03:53 EST |  Overcast Heavy Rain | 4°C / 39°F | 3°C / 37°F | 93% | 1008 mb (29.77 in) | ENE 26 kph (ENE 16.1 mph) | 8.38 mm (0.33 in) | 2 1/2SM |
| | KGVL 250853Z AUTO 07014G26KT 2 1/2SM +RA BR OVC004 04/03 A2978 RMK AO2 PK WND 09028/0841 CIG 003V008 SLP084 P0033 60089 T00390033 55008 |
| 03:49 EST |  Overcast Heavy Rain | 4°C / 39°F | 3°C / 37°F | 93% | 1008 mb (29.77 in) | E 30 kph (E 18.4 mph) | 7.87 mm (0.31 in) | 2 1/2SM |
| | KGVL 250849Z AUTO 08016G28KT 2 1/2SM +RA BR OVC004 04/03 A2978 RMK AO2 PK WND 09028/0841 CIG 003V008 P0031 |
| 03:12 EST |  Overcast Rain | 4°C / 39°F | 3°C / 37°F | 93% | 1009 mb (29.8 in) | E 26 kph (E 16.1 mph) | 1.78 mm (0.07 in) | 4SM |
| | KGVL 250812Z AUTO 09014KT 4SM RA BR BKN004 OVC008 04/03 A2979 RMK AO2 P0007 |
| 02:53 EST |  Overcast Heavy Rain | 4°C / 39°F | 4°C / 39°F | 100% | 1009 mb (29.8 in) | E 32 kph (E 19.6 mph) | 11.94 mm (0.47 in) | 3SM |
| | KGVL 250753Z AUTO 08017G26KT 3SM +RA BR OVC006 04/04 A2980 RMK AO2 PK WND 10026/0745 CIG 003V010 PRESFR SLP092 P0047 T00440039 |
| 02:51 EST |  Overcast Heavy Rain | 4°C / 39°F | 4°C / 39°F | 100% | 1009 mb (29.8 in) | ENE 24 kph (ENE 15 mph) | 11.68 mm (0.46 in) | 2 1/2SM |
| | KGVL 250751Z AUTO 07013G26KT 2 1/2SM +RA BR BKN006 OVC009 04/04 A2981 RMK AO2 PK WND 10026/0745 CIG 003V007 PRESFR P0046 |
| 02:41 EST |  Overcast Heavy Rain | 4°C / 39°F | 4°C / 39°F | 100% | 1010 mb (29.83 in) | E 28 kph (E 17.3 mph) | 9.65 mm (0.38 in) | 3SM |
| | KGVL 250741Z AUTO 09015G19KT 3SM +RA BR OVC004 04/04 A2984 RMK AO2 PK WND 10026/0715 CIG 003V009 P0038 |
| 02:17 EST |  Overcast Heavy Rain | 4°C / 39°F | 4°C / 39°F | 100% | 1010 mb (29.83 in) | E 32 kph (E 19.6 mph) | 5.08 mm (0.20 in) | 2 1/2SM |
| | KGVL 250717Z AUTO 09017G26KT 2 1/2SM +RA BR OVC006 04/04 A2983 RMK AO2 PK WND 10026/0715 CIG 004V010 P0020 |
| 02:08 EST |  Overcast Heavy Rain | 4°C / 39°F | 4°C / 39°F | 100% | 1010 mb (29.83 in) | E 28 kph (E 17.3 mph) | 3.05 mm (0.12 in) | 2SM |
| | KGVL 250708Z AUTO 10015G23KT 2SM +RA BR OVC004 04/04 A2983 RMK AO2 CIG 004V008 P0012 |
| 01:53 EST |  Overcast Light Rain | 5°C / 41°F | 4°C / 39°F | 93% | 1009 mb (29.8 in) | E 28 kph (E 17.3 mph) | 2.29 mm (0.09 in) | 4SM |
| | KGVL 250653Z AUTO 10015G25KT 4SM -RA BR OVC004 05/04 A2981 RMK AO2 PK WND 08028/0630 CIG 003V007 SLP096 P0009 T00500039 |
| 01:46 EST |  Overcast Rain | 5°C / 41°F | 4°C / 39°F | 93% | 1009 mb (29.8 in) | E 35 kph (E 21.9 mph) | 2.03 mm (0.08 in) | 2 1/2SM |
| | KGVL 250646Z AUTO 08019G27KT 2 1/2SM RA BR OVC004 05/04 A2981 RMK AO2 PK WND 08028/0630 P0008 |
| 01:27 EST |  Overcast Light Rain | 5°C / 41°F | 4°C / 39°F | 93% | 1009 mb (29.8 in) | E 37 kph (E 23 mph) | 0.76 mm (0.03 in) | 4SM |
| | KGVL 250627Z AUTO 09020G27KT 4SM -RA BR OVC004 05/04 A2981 RMK AO2 PK WND 08027/0619 CIG 003V008 P0003 |
| 01:05 EST |  Overcast Light Rain | 5°C / 41°F | 4°C / 39°F | 93% | 1010 mb (29.83 in) | E 33 kph (E 20.7 mph) | 0.25 mm (0.01 in) | 4SM |
| | KGVL 250605Z AUTO 09018G24KT 4SM -RA BR BKN006 OVC009 05/04 A2983 RMK AO2 P0001 |
| 00:53 EST |  Overcast Rain | 5°C / 41°F | 4°C / 39°F | 93% | 1010 mb (29.83 in) | E 30 kph (E 18.4 mph) | 2.03 mm (0.08 in) | 2 1/2SM |
| | KGVL 250553Z AUTO 09016G27KT 2 1/2SM RA BR OVC008 05/04 A2983 RMK AO2 PK WND 10033/0521 CIG 005V012 SLP101 P0008 60034 T00500039 10067 20050 56038 |
| 00:45 EST |  Overcast Rain | 5°C / 41°F | 4°C / 39°F | 93% | 1010 mb (29.83 in) | E 28 kph (E 17.3 mph) | 1.27 mm (0.05 in) | 2 1/2SM |
| | KGVL 250545Z AUTO 10015G25KT 2 1/2SM RA BR OVC008 05/04 A2984 RMK AO2 PK WND 10033/0521 CIG 005V010 P0005 |
| 00:20 EST |  Overcast Light Rain | 5°C / 41°F | 4°C / 39°F | 93% | 1011 mb (29.85 in) | E 32 kph (E 19.6 mph) | 0.00 mm (0.00 in) | 6SM |
| | KGVL 250520Z AUTO 08017G31KT 6SM -RA BR BKN010 OVC017 05/04 A2985 RMK AO2 PK WND 08033/0455 CIG 008V012 P0000 |