| 15:53 EST |  Overcast Fog | 2°C / 36°F | 2°C / 36°F | 100% | 1022 mb (30.18 in) | ENE 13 kph (ENE 8.1 mph) | 0.00 mm (0.00 in) | 1/4SM |
| | KTHV 252053Z AUTO 07007KT 1/4SM FG OVC001 02/02 A3017 RMK AO2 UPB19E48 SLP225 P0000 60000 T00170017 56011 |
| 14:53 EST |  Overcast Fog | 2°C / 36°F | 1°C / 34°F | 93% | 1022 mb (30.18 in) | ENE 9 kph (ENE 5.8 mph) | - | 1/2SM |
| | KTHV 251953Z AUTO 06005KT 1/2SM FG OVC003 02/01 A3017 RMK AO2 SLP226 T00170011 |
| 13:53 EST |  Overcast Fog | 1°C / 34°F | 1°C / 34°F | 100% | 1022 mb (30.18 in) | NE 11 kph (NE 6.9 mph) | - | 1/4SM |
| | KTHV 251853Z AUTO 05006KT 1/4SM FG OVC003 01/01 A3018 RMK AO2 CIG 001V005 SLP230 T00110006 |
| 12:53 EST |  Overcast Fog | 1°C / 34°F | 0°C / 32°F | 93% | 1023 mb (30.21 in) | E 13 kph (E 8.1 mph) | - | 1/2SM |
| | KTHV 251753Z AUTO 08007KT 1/2SM FG OVC003 01/00 A3020 RMK AO2 SLP237 60000 T00110000 10011 21050 56031 |
| 12:49 EST |  Overcast Fog | 1°C / 34°F | 0°C / 32°F | 93% | 1023 mb (30.21 in) | E 9 kph (E 5.8 mph) | - | 1/2SM |
| | KTHV 251749Z AUTO 08005KT 1/2SM FG OVC003 01/00 A3021 RMK AO2 |
| 12:42 EST |  Overcast Fog And Mist | 1°C / 34°F | -1°C / 30°F | 87% | 1023 mb (30.21 in) | ENE 7 kph (ENE 4.6 mph) | - | 3/4SM |
| | KTHV 251742Z AUTO 07004KT 3/4SM BR OVC005 01/M01 A3022 RMK AO2 |
| 12:21 EST |  Overcast Fog And Mist | 1°C / 34°F | -1°C / 30°F | 87% | 1024 mb (30.24 in) | E 7 kph (E 4.6 mph) | - | 1 3/4SM |
| | KTHV 251721Z AUTO 09004KT 1 3/4SM BR OVC005 01/M01 A3023 RMK AO2 |
| 12:06 EST |  Overcast Fog And Mist | 1°C / 34°F | -1°C / 30°F | 87% | 1023 mb (30.21 in) | ENE 9 kph (ENE 5.8 mph) | - | 2 1/2SM |
| | KTHV 251706Z AUTO 06005KT 2 1/2SM BR OVC005 01/M01 A3022 RMK AO2 PRESFR |
| 11:53 EST |  Overcast Fog And Mist | 0°C / 32°F | -2°C / 28°F | 87% | 1024 mb (30.24 in) | NE 9 kph (NE 5.8 mph) | 0.00 mm (0.00 in) | 3SM |
| | KTHV 251653Z AUTO 05005KT 3SM BR OVC007 00/M02 A3024 RMK AO2 UPB27E47 SLP250 P0000 T00001017 |
| 10:53 EST |  Overcast Fog And Mist | -1°C / 30°F | -3°C / 27°F | 86% | 1026 mb (30.3 in) | ENE 6 kph (ENE 3.5 mph) | - | 5SM |
| | KTHV 251553Z AUTO 07003KT 5SM BR OVC007 M01/M03 A3030 RMK AO2 SLP270 T10111033 |
| 10:37 EST |  Overcast Fog And Mist | -2°C / 28°F | -4°C / 25°F | 86% | 1026 mb (30.3 in) | ESE 7 kph (ESE 4.6 mph) | - | 4SM |
| | KTHV 251537Z AUTO 11004KT 4SM BR OVC007 M02/M04 A3031 RMK AO2 |
| 09:53 EST |  Overcast Fog And Mist | -2°C / 28°F | -4°C / 25°F | 86% | 1027 mb (30.33 in) | Calm | - | 5SM |
| | KTHV 251453Z AUTO 00000KT 5SM BR OVC009 M02/M04 A3033 RMK AO2 SLP282 T10221044 55005 |
| 09:21 EST |  Overcast Fog And Mist | -2°C / 28°F | -4°C / 25°F | 86% | 1027 mb (30.33 in) | Calm | - | 5SM |
| | KTHV 251421Z AUTO 00000KT 5SM BR OVC009 M02/M04 A3032 RMK AO2 |
| 08:53 EST |  Overcast Fog And Mist | -3°C / 27°F | -5°C / 23°F | 86% | 1026 mb (30.3 in) | Calm | - | 4SM |
| | KTHV 251353Z AUTO 00000KT 4SM BR OVC011 M03/M05 A3031 RMK AO2 PRESFR SLP272 T10281050 |
| 08:27 EST |  Overcast Fog And Mist | -3°C / 27°F | -6°C / 21°F | 80% | 1027 mb (30.33 in) | Calm | - | 5SM |
| | KTHV 251327Z AUTO 00000KT 5SM BR BKN011 OVC018 M03/M06 A3034 RMK AO2 |
| 07:53 EST |  Overcast Fog And Mist | -4°C / 25°F | -6°C / 21°F | 86% | 1028 mb (30.36 in) | Calm | - | 4SM |
| | KTHV 251253Z AUTO 00000KT 4SM BR OVC020 M04/M06 A3036 RMK AO2 SLP292 T10391056 |
| 06:53 EST |  Overcast Fog And Mist | -5°C / 23°F | -6°C / 21°F | 93% | 1028 mb (30.36 in) | Calm | - | 5SM |
| | KTHV 251153Z AUTO 00000KT 5SM BR OVC018 M05/M06 A3035 RMK AO2 SLP287 T10501061 11050 21144 56007 |
| 06:44 EST |  Overcast Fog And Mist | -5°C / 23°F | -6°C / 21°F | 93% | 1028 mb (30.36 in) | Calm | - | 5SM |
| | KTHV 251144Z AUTO 00000KT 5SM BR OVC016 M05/M06 A3035 RMK AO2 |
| 06:05 EST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1027 mb (30.33 in) | Calm | - | 5SM |
| | KTHV 251105Z AUTO 00000KT 5SM BR BKN012 OVC017 M06/M07 A3034 RMK AO2 |
| 05:53 EST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1028 mb (30.36 in) | Calm | - | 5SM |
| | KTHV 251053Z AUTO 00000KT 5SM BR SCT012 OVC017 M06/M07 A3035 RMK AO2 SLP288 T10561067 |
| 05:26 EST |  Overcast Fog And Mist | -6°C / 21°F | -8°C / 18°F | 86% | 1027 mb (30.33 in) | Calm | - | 5SM |
| | KTHV 251026Z AUTO 00000KT 5SM BR SCT009 OVC017 M06/M08 A3034 RMK AO2 |
| 05:16 EST |  Overcast Fog And Mist | -7°C / 19°F | -8°C / 18°F | 93% | 1027 mb (30.33 in) | Calm | - | 5SM |
| | KTHV 251016Z AUTO 00000KT 5SM BR BKN009 OVC017 M07/M08 A3034 RMK AO2 |
| 04:53 EST |  Overcast Fog And Mist | -7°C / 19°F | -9°C / 16°F | 86% | 1028 mb (30.36 in) | Calm | - | 5SM |
| | KTHV 250953Z AUTO 00000KT 5SM BR OVC011 M07/M09 A3035 RMK AO2 SLP289 T10721089 |
| 04:28 EST |  Overcast Fog And Mist | -8°C / 18°F | -9°C / 16°F | 93% | 1028 mb (30.36 in) | Calm | - | 5SM |
| | KTHV 250928Z AUTO 00000KT 5SM BR OVC013 M08/M09 A3035 RMK AO2 |
| 03:53 EST |  Overcast Fog And Mist | -9°C / 16°F | -11°C / 12°F | 86% | 1028 mb (30.36 in) | Calm | - | 5SM |
| | KTHV 250853Z AUTO 00000KT 5SM BR OVC019 M09/M11 A3037 RMK AO2 SLP294 T10941106 58005 |
| 03:31 EST |  Mostly Cloudy Fog And Mist | -11°C / 12°F | -13°C / 9°F | 85% | 1029 mb (30.39 in) | Calm | - | 6SM |
| | KTHV 250831Z AUTO 00000KT 6SM BR BKN019 M11/M13 A3039 RMK AO2 |
| 02:53 EST |  Partly Cloudy Fog And Mist | -12°C / 10°F | -13°C / 9°F | 92% | 1029 mb (30.39 in) | Calm | - | 6SM |
| | KTHV 250753Z AUTO 00000KT 6SM BR FEW023 M12/M13 A3039 RMK AO2 SLP300 T11171128 |
| 01:53 EST |  Clear Fog And Mist | -13°C / 9°F | -14°C / 7°F | 92% | 1030 mb (30.42 in) | Calm | - | 5SM |
| | KTHV 250653Z AUTO 00000KT 5SM BR CLR M13/M14 A3041 RMK AO2 SLP308 T11331144 |
| 00:53 EST |  Clear | -14°C / 7°F | -16°C / 3°F | 85% | 1029 mb (30.39 in) | W 6 kph (W 3.5 mph) | - | 8SM |
| | KTHV 250553Z AUTO 27003KT 8SM CLR M14/M16 A3038 RMK AO2 SLP300 T11441161 11089 21150 55003 |