| 09:53 EST |  Mostly Cloudy | 14°C / 57°F | 11°C / 52°F | 82% | 1004 mb (29.65 in) | SSW 26 kph (SSW 16.1 mph) | - | 10SM |
| | KGVL 091453Z AUTO 25014G20KT 10SM BKN041 14/11 A2965 RMK AO2 SLP038 60001 T01440111 53012 |
| 08:53 EST |  Mostly Cloudy | 9°C / 48°F | 8°C / 46°F | 94% | 1003 mb (29.62 in) | S 11 kph (S 6.9 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGVL 091353Z AUTO 19006KT 10SM BKN042 BKN050 09/08 A2963 RMK AO2 RAE06 SLP033 P0000 T00940083 |
| 08:17 EST |  Overcast | 8°C / 46°F | 7°C / 45°F | 93% | 1003 mb (29.62 in) | S 9 kph (S 5.8 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGVL 091317Z AUTO 18005KT 10SM SCT009 BKN042 OVC048 08/07 A2963 RMK AO2 RAE06 P0000 |
| 08:03 EST |  Overcast Light Rain | 7°C / 45°F | 7°C / 45°F | 100% | 1003 mb (29.62 in) | S 9 kph (S 5.8 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGVL 091303Z AUTO 19005KT 10SM -RA BKN009 BKN012 OVC020 07/07 A2963 RMK AO2 P0000 |
| 07:53 EST |  Overcast Light Rain | 7°C / 45°F | 6°C / 43°F | 93% | 1004 mb (29.65 in) | S 13 kph (S 8.1 mph) | 0.25 mm (0.01 in) | 7SM |
| | KGVL 091253Z AUTO 18007KT 7SM -RA BKN011 OVC016 07/06 A2964 RMK AO2 RAB27 CIG 008V014 SLP036 P0001 T00670061 |
| 07:38 EST |  Overcast Light Rain | 7°C / 45°F | 6°C / 43°F | 93% | 1004 mb (29.65 in) | S 11 kph (S 6.9 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGVL 091238Z AUTO 18006KT 10SM -RA BKN013 OVC022 07/06 A2964 RMK AO2 RAB27 P0000 |
| 07:17 EST |  Mostly Cloudy | 7°C / 45°F | 6°C / 43°F | 93% | 1003 mb (29.62 in) | S 11 kph (S 6.9 mph) | - | 10SM |
| | KGVL 091217Z AUTO 17006KT 10SM BKN024 BKN070 07/06 A2963 RMK AO2 |
| 06:53 EST |  Mostly Cloudy | 6°C / 43°F | 6°C / 43°F | 100% | 1003 mb (29.62 in) | Calm | - | 10SM |
| | KGVL 091153Z AUTO 00000KT 10SM FEW026 BKN055 06/06 A2962 RMK AO2 SLP029 60116 70241 T00610056 10067 20039 50007 |
| 05:53 EST |  Overcast | 7°C / 45°F | 6°C / 43°F | 93% | 1003 mb (29.62 in) | Calm | - | 10SM |
| | KGVL 091053Z AUTO 00000KT 10SM BKN044 OVC055 07/06 A2963 RMK AO2 SLP032 T00670061 |
| 04:53 EST |  Overcast | 6°C / 43°F | 6°C / 43°F | 100% | 1003 mb (29.62 in) | Calm | 13.97 mm (0.55 in) | 10SM |
| | KGVL 090953Z AUTO 00000KT 10SM SCT037 BKN070 OVC110 06/06 A2961 RMK AO2 PK WND 35028/0904 WSHFT 0901 TSB0854E0856RAE42 SLP028 P0055 T00610061 |
| 04:43 EST |  Overcast | 6°C / 43°F | 6°C / 43°F | 100% | 1003 mb (29.62 in) | NNE 13 kph (NNE 8.1 mph) | 13.97 mm (0.55 in) | 10SM |
| | KGVL 090943Z AUTO 02007KT 10SM FEW022 BKN070 OVC110 06/06 A2962 RMK AO2 PK WND 35028/0904 WSHFT 0901 LTG DSNT SE TSB0854E0856RAE42 P0055 |
| 04:24 EST |  Overcast Heavy Rain | 6°C / 43°F | 6°C / 43°F | 100% | 1004 mb (29.65 in) | N 17 kph (N 10.4 mph) | 13.97 mm (0.55 in) | 4SM |
| | KGVL 090924Z AUTO 01009KT 4SM +RA BR FEW004 BKN019 OVC025 06/06 A2965 RMK AO2 PK WND 35028/0904 WSHFT 0901 TSB0854E0856 P0055 TSNO |
| 04:16 EST |  Overcast Heavy Rain | 6°C / 43°F | 6°C / 43°F | 100% | 1005 mb (29.68 in) | N 19 kph (N 11.5 mph) | 13.21 mm (0.52 in) | 2 1/2SM |
| | KGVL 090916Z AUTO 35010G20KT 2 1/2SM +RA BR FEW001 BKN016 OVC024 06/06 A2967 RMK AO2 PK WND 35028/0904 WSHFT 0901 TSB0854E0856 P0052 TSNO |
| 04:13 EST |  Overcast Heavy Rain | 6°C / 43°F | 5°C / 41°F | 93% | 1004 mb (29.65 in) | N 24 kph (N 15 mph) | 12.70 mm (0.50 in) | 1 3/4SM |
| | KGVL 090913Z AUTO 35013G28KT 1 3/4SM +RA BR SCT001 BKN006 OVC026 06/05 A2966 RMK AO2 PK WND 35028/0904 TSB0854E0856 P0050 TSNO |
| 04:05 EST |  Overcast Heavy Rain | 6°C / 43°F | 5°C / 41°F | 93% | 1005 mb (29.68 in) | NNW 37 kph (NNW 23 mph) | 10.67 mm (0.42 in) | 1SM |
| | KGVL 090905Z AUTO 34020G28KT 1SM +RA BR SCT001 BKN006 OVC013 06/05 A2967 RMK AO2 PK WND 35028/0904 TSB0854E0856 PRESRR P0042 TSNO |
| 03:59 EST |  Overcast Heavy Rain | 7°C / 45°F | 7°C / 45°F | 100% | 1003 mb (29.62 in) | Variable 7 kph (Variable 4.6 mph) | 6.10 mm (0.24 in) | 3/4SM |
| | KGVL 090859Z AUTO VRB04KT 3/4SM +RA BR SCT001 BKN008 OVC019 07/07 A2961 RMK AO2 TSB54E56 P0024 TSNO |
| 03:55 EST |  Overcast Thunder Storms | 6°C / 43°F | 6°C / 43°F | 100% | 1002 mb (29.59 in) | SE 15 kph (SE 9.2 mph) | 2.54 mm (0.10 in) | 1SM |
| | KGVL 090855Z AUTO 14008KT 1SM VCTS +RA BR SCT001 BKN008 OVC019 06/06 A2959 RMK AO2 TSB54 P0010 |
| 03:53 EST |  Overcast Heavy Rain | 6°C / 43°F | 6°C / 43°F | 100% | 1002 mb (29.59 in) | SE 9 kph (SE 5.8 mph) | 13.97 mm (0.55 in) | 1 1/4SM |
| | KGVL 090853Z AUTO 14005KT 1 1/4SM +RA BR SCT001 BKN008 OVC014 06/06 A2960 RMK AO2 LTG DSNT S TSB33E48 SLP023 P0055 60061 T00560056 56039 |
| 03:49 EST |  Overcast Heavy Rain | 5°C / 41°F | 5°C / 41°F | 100% | 1002 mb (29.59 in) | Calm | 10.92 mm (0.43 in) | 1 1/2SM |
| | KGVL 090849Z AUTO 00000KT 1 1/2SM +RA BR SCT001 BKN006 OVC016 05/05 A2959 RMK AO2 LTG DSNT S TSB33E48 P0043 |
| 03:34 EST |  Overcast Thunder Storms | 5°C / 41°F | 5°C / 41°F | 100% | 1002 mb (29.59 in) | SE 17 kph (SE 10.4 mph) | 5.84 mm (0.23 in) | 1 3/4SM |
| | KGVL 090834Z AUTO 12009KT 1 3/4SM VCTS +RA BR SCT001 BKN006 OVC012 05/05 A2959 RMK AO2 LTG DSNT S TSB33 PRESFR P0023 |
| 03:27 EST |  Overcast Heavy Rain | 4°C / 39°F | 4°C / 39°F | 100% | 1002 mb (29.59 in) | ESE 13 kph (ESE 8.1 mph) | 4.06 mm (0.16 in) | 2SM |
| | KGVL 090827Z AUTO 11007KT 2SM +RA BR BKN001 OVC008 04/04 A2960 RMK AO2 LTG DSNT NE AND E P0016 |
| 03:17 EST |  Overcast Heavy Rain | 5°C / 41°F | 5°C / 41°F | 100% | 1003 mb (29.62 in) | E 13 kph (E 8.1 mph) | 2.29 mm (0.09 in) | 1 1/4SM |
| | KGVL 090817Z AUTO 09007KT 1 1/4SM +RA BR OVC001 05/05 A2961 RMK AO2 LTG DSNT NE AND E P0009 |
| 02:53 EST |  Obscured Light Rain | 4°C / 39°F | 4°C / 39°F | 100% | 1003 mb (29.62 in) | SE 15 kph (SE 9.2 mph) | 1.02 mm (0.04 in) | 1/4SM |
| | KGVL 090753Z AUTO 12008KT 1/4SM -RA FG VV001 04/04 A2961 RMK AO2 LTG DSNT SW AND W SLP026 P0004 T00440044 |
| 02:33 EST |  Overcast Light Rain | 4°C / 39°F | 4°C / 39°F | 100% | 1003 mb (29.62 in) | ESE 17 kph (ESE 10.4 mph) | 0.51 mm (0.02 in) | 3/4SM |
| | KGVL 090733Z AUTO 11009KT 3/4SM -RA BR OVC002 04/04 A2962 RMK AO2 PRESFR P0002 |
| 02:28 EST |  Overcast Light Rain | 4°C / 39°F | 4°C / 39°F | 100% | 1003 mb (29.62 in) | ESE 15 kph (ESE 9.2 mph) | 0.25 mm (0.01 in) | 1 1/2SM |
| | KGVL 090728Z AUTO 11008KT 1 1/2SM -RA BR OVC002 04/04 A2963 RMK AO2 PRESFR P0001 |
| 02:23 EST |  Overcast Light Rain | 4°C / 39°F | 4°C / 39°F | 100% | 1004 mb (29.65 in) | ESE 17 kph (ESE 10.4 mph) | 0.25 mm (0.01 in) | 2SM |
| | KGVL 090723Z AUTO 11009KT 2SM -RA BR OVC002 04/04 A2964 RMK AO2 P0001 |
| 02:18 EST |  Overcast Light Rain | 4°C / 39°F | 4°C / 39°F | 100% | 1004 mb (29.65 in) | E 15 kph (E 9.2 mph) | 0.25 mm (0.01 in) | 3SM |
| | KGVL 090718Z AUTO 10008KT 3SM -RA BR OVC002 04/04 A2965 RMK AO2 P0001 |
| 01:53 EST |  Overcast Light Rain | 4°C / 39°F | 4°C / 39°F | 100% | 1005 mb (29.68 in) | SE 15 kph (SE 9.2 mph) | 0.51 mm (0.02 in) | 2 1/2SM |
| | KGVL 090653Z AUTO 13008G16KT 2 1/2SM -RA BR OVC002 04/04 A2967 RMK AO2 CIG 001V005 SLP050 P0002 T00390039 |
| 01:42 EST |  Overcast Light Rain | 4°C / 39°F | 4°C / 39°F | 100% | 1005 mb (29.68 in) | SE 13 kph (SE 8.1 mph) | 0.25 mm (0.01 in) | 2 1/2SM |
| | KGVL 090642Z AUTO 13007KT 2 1/2SM -RA BR OVC002 04/04 A2967 RMK AO2 CIG 001V005 P0001 |
| 01:24 EST |  Overcast Light Rain | 4°C / 39°F | 4°C / 39°F | 100% | 1006 mb (29.71 in) | E 20 kph (E 12.7 mph) | 0.25 mm (0.01 in) | 3SM |
| | KGVL 090624Z AUTO 09011G15KT 3SM -RA BR OVC002 04/04 A2970 RMK AO2 P0001 |
| 01:10 EST |  Overcast Light Rain | 4°C / 39°F | 4°C / 39°F | 100% | 1006 mb (29.71 in) | E 17 kph (E 10.4 mph) | 0.25 mm (0.01 in) | 2 1/2SM |
| | KGVL 090610Z AUTO 09009KT 2 1/2SM -RA BR OVC002 04/04 A2971 RMK AO2 P0001 |
| 00:53 EST |  Overcast Light Rain | 4°C / 39°F | 3°C / 37°F | 93% | 1006 mb (29.71 in) | E 24 kph (E 15 mph) | 1.27 mm (0.05 in) | 2SM |
| | KGVL 090553Z AUTO 10013G18KT 2SM -RA BR OVC002 04/03 A2972 RMK AO2 SLP063 P0005 60073 T00390033 10044 20039 58042 |
| 00:29 EST |  Overcast Light Rain | 4°C / 39°F | 3°C / 37°F | 93% | 1007 mb (29.74 in) | E 22 kph (E 13.8 mph) | 1.02 mm (0.04 in) | 2SM |
| | KGVL 090529Z AUTO 09012G19KT 2SM -RA BR OVC002 04/03 A2974 RMK AO2 P0004 |
| 00:10 EST |  Overcast Light Rain | 4°C / 39°F | 3°C / 37°F | 93% | 1008 mb (29.77 in) | E 19 kph (E 11.5 mph) | 0.76 mm (0.03 in) | 2 1/2SM |
| | KGVL 090510Z AUTO 08010G15KT 2 1/2SM -RA BR OVC002 04/03 A2976 RMK AO2 P0003 |
| 00:03 EST |  Overcast Rain | 4°C / 39°F | 4°C / 39°F | 100% | 1008 mb (29.77 in) | NE 15 kph (NE 9.2 mph) | 0.51 mm (0.02 in) | 2SM |
| | KGVL 090503Z AUTO 05008KT 2SM RA BR OVC002 04/04 A2978 RMK AO2 P0002 |