| 14:56 EST |  Clear | 12°C / 54°F | -2°C / 28°F | 38% | 1001 mb (29.56 in) | NW 35 kph (NW 21.9 mph) | - | 10SM |
| | KGON 281956Z 30019G30KT 10SM CLR 12/M02 A2955 RMK AO2 PK WND 30033/1915 SLP006 T01171017 |
| 13:56 EST |  Clear | 12°C / 54°F | -2°C / 28°F | 38% | 999 mb (29.5 in) | NW 37 kph (NW 23 mph) | - | 10SM |
| | KGON 281856Z 31020G34KT 10SM CLR 12/M02 A2951 RMK AO2 PK WND 31034/1852 SLP994 T01221022 |
| 12:56 EST |  Clear | 12°C / 54°F | -1°C / 30°F | 41% | 999 mb (29.5 in) | NW 44 kph (NW 27.6 mph) | - | 10SM |
| | KGON 281756Z 31024G31KT 10SM CLR 12/M01 A2949 RMK AO2 PK WND 31040/1658 SLP984 T01221011 10122 20083 51016 |
| 11:56 EST |  Clear | 11°C / 52°F | -1°C / 30°F | 44% | 998 mb (29.47 in) | NW 46 kph (NW 28.8 mph) | - | 10SM |
| | KGON 281656Z 30025G42KT 10SM CLR 11/M01 A2946 RMK AO2 PK WND 31045/1620 SLP977 T01061011 |
| 10:56 EST |  Partly Cloudy | 9°C / 48°F | -1°C / 30°F | 50% | 998 mb (29.47 in) | NW 32 kph (NW 19.6 mph) | - | 10SM |
| | KGON 281556Z 30017G31KT 10SM FEW047 09/M01 A2947 RMK AO2 PK WND 32036/1538 SLP978 T00941006 |
| 09:56 EST |  Partly Cloudy | 9°C / 48°F | 0°C / 32°F | 54% | 997 mb (29.44 in) | NW 35 kph (NW 21.9 mph) | - | 10SM |
| | KGON 281456Z 31019G31KT 10SM FEW045 09/00 A2944 RMK AO2 PK WND 31039/1413 SLP968 T00890000 51043 |
| 08:56 EST |  Overcast | 9°C / 48°F | 1°C / 34°F | 58% | 996 mb (29.41 in) | WNW 37 kph (WNW 23 mph) | - | 10SM |
| | KGON 281356Z 29020G32KT 10SM OVC050 09/01 A2940 RMK AO2 PK WND 31036/1307 SLP956 T00890006 |
| 07:56 EST |  Overcast | 8°C / 46°F | 1°C / 34°F | 62% | 994 mb (29.35 in) | NW 37 kph (NW 23 mph) | - | 10SM |
| | KGON 281256Z 30020G32KT 10SM OVC048 08/01 A2936 RMK AO2 PK WND 29038/1244 SLP940 T00830006 |
| 06:56 EST |  Overcast | 8°C / 46°F | 2°C / 36°F | 66% | 993 mb (29.32 in) | NW 33 kph (NW 20.7 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGON 281156Z 30018G31KT 10SM BKN042 OVC049 08/02 A2931 RMK AO2 PK WND 28032/1135 RAE16 SLP926 P0000 60009 70028 T00830022 10083 20056 53018 |
| 05:56 EST |  Overcast Light Rain | 7°C / 45°F | 3°C / 37°F | 76% | 992 mb (29.29 in) | W 24 kph (W 15 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGON 281056Z AUTO 28013G21KT 10SM -RA FEW032 OVC044 07/03 A2929 RMK AO2 PK WND 28026/1027 SLP918 P0000 T00670033 |
| 05:12 EST |  Overcast Light Rain | 6°C / 43°F | 3°C / 37°F | 81% | 991 mb (29.26 in) | W 24 kph (W 15 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGON 281012Z AUTO 27013G24KT 10SM -RA BKN031 OVC038 06/03 A2926 RMK AO2 P0000 |
| 04:56 EST |  Overcast Light Rain | 6°C / 43°F | 3°C / 37°F | 81% | 991 mb (29.26 in) | W 24 kph (W 15 mph) | 0.76 mm (0.03 in) | 10SM |
| | KGON 280956Z AUTO 27013G22KT 10SM -RA BKN029 OVC038 06/03 A2926 RMK AO2 PK WND 26028/0915 SLP909 P0003 T00610033 |
| 03:56 EST |  Overcast Rain | 6°C / 43°F | 3°C / 37°F | 81% | 991 mb (29.26 in) | W 24 kph (W 15 mph) | 1.27 mm (0.05 in) | 9SM |
| | KGON 280856Z AUTO 28013G24KT 9SM RA BKN028 OVC033 06/03 A2926 RMK AO2 PK WND 26026/0841 SLP908 P0005 60006 T00560028 58000 |
| 03:29 EST |  Overcast Light Rain | 6°C / 43°F | 2°C / 36°F | 76% | 991 mb (29.26 in) | W 24 kph (W 15 mph) | 0.51 mm (0.02 in) | 10SM |
| | KGON 280829Z AUTO 27013G25KT 10SM -RA BKN028 OVC036 06/02 A2925 RMK AO2 P0002 |
| 02:56 EST |  Overcast Light Rain | 6°C / 43°F | 2°C / 36°F | 76% | 991 mb (29.26 in) | W 24 kph (W 15 mph) | 0.25 mm (0.01 in) | 10SM |
| | KGON 280756Z AUTO 27013G21KT 10SM -RA BKN030 OVC036 06/02 A2926 RMK AO2 SLP906 P0001 T00610017 |
| 01:56 EST |  Overcast Light Rain | 7°C / 45°F | 1°C / 34°F | 66% | 991 mb (29.26 in) | W 30 kph (W 18.4 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGON 280656Z AUTO 28016G25KT 10SM -RA OVC036 07/01 A2927 RMK AO2 PK WND 28031/0613 RAB06E24B47 SLP910 P0000 T00670006 |
| 00:56 EST |  Overcast | 7°C / 45°F | 0°C / 32°F | 61% | 991 mb (29.26 in) | W 32 kph (W 19.6 mph) | - | 10SM |
| | KGON 280556Z AUTO 28017G29KT 10SM OVC036 07/00 A2926 RMK AO2 PK WND 28029/0553 SLP908 T00670000 10067 20061 58007 |