| 19:56 EST |  Clear | -1°C / 30°F | -4°C / 25°F | 80% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KGON 090056Z 00000KT 10SM CLR M01/M04 A3032 RMK AO2 SLP267 T10111039 |
| 18:56 EST |  Clear | 0°C / 32°F | -4°C / 25°F | 75% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KGON 082356Z 00000KT 10SM CLR 00/M04 A3031 RMK AO2 SLP264 T00001039 10067 20000 58003 |
| 17:56 EST |  Clear | 2°C / 36°F | -3°C / 27°F | 70% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KGON 082256Z 00000KT 10SM CLR 02/M03 A3033 RMK AO2 SLP268 T00171033 |
| 16:56 EST |  Clear | 3°C / 37°F | -4°C / 25°F | 60% | 1027 mb (30.33 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | KGON 082156Z 33003KT 10SM CLR 03/M04 A3032 RMK AO2 SLP268 T00331044 |
| 15:56 EST |  Clear | 4°C / 39°F | -4°C / 25°F | 56% | 1027 mb (30.33 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KGON 082056Z 32006KT 10SM CLR 04/M04 A3032 RMK AO2 SLP267 T00441044 53017 |
| 14:56 EST |  Clear | 6°C / 43°F | -4°C / 25°F | 49% | 1025 mb (30.27 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KGON 081956Z 33005KT 10SM CLR 06/M04 A3028 RMK AO2 SLP254 T00611039 |
| 14:44 EST |  Clear | 6°C / 43°F | -4°C / 25°F | 49% | 1026 mb (30.3 in) | N 15 kph (N 9.2 mph) | - | 10SM |
| | KGON 081944Z 35008KT 10SM CLR 06/M04 A3029 RMK AO2 |
| 14:37 EST |  Clear | 6°C / 43°F | -4°C / 25°F | 49% | 1026 mb (30.3 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KGON 081937Z 33005KT 10SM R05/0100V0200FT CLR 06/M04 A3029 RMK AO2 |
| 14:23 EST |  Clear | 6°C / 43°F | -4°C / 25°F | 49% | 1025 mb (30.27 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KGON 081923Z 31009G16KT 10SM CLR 06/M04 A3028 RMK AO2 |
| 14:13 EST |  Clear | 6°C / 43°F | -4°C / 25°F | 49% | 1025 mb (30.27 in) | NNW 17 kph (NNW 10.4 mph) | - | 10SM |
| | KGON 081913Z 34009KT 10SM R05/0400FT CLR 06/M04 A3027 RMK AO2 |
| 13:56 EST |  Clear | 7°C / 45°F | -4°C / 25°F | 46% | 1025 mb (30.27 in) | NNW 13 kph (NNW 8.1 mph) | - | 10SM |
| | KGON 081856Z 34007KT 10SM CLR 07/M04 A3027 RMK AO2 SLP249 T00671044 |
| 12:56 EST |  Clear | 6°C / 43°F | -4°C / 25°F | 49% | 1025 mb (30.27 in) | NNW 13 kph (NNW 8.1 mph) | - | 10SM |
| | KGON 081756Z 34007KT 10SM CLR 06/M04 A3027 RMK AO2 SLP250 T00611044 10067 21006 58013 |
| 11:56 EST |  Clear | 6°C / 43°F | -4°C / 25°F | 49% | 1026 mb (30.3 in) | NNW 13 kph (NNW 8.1 mph) | - | 10SM |
| | KGON 081656Z 34007KT 310V020 10SM CLR 06/M04 A3030 RMK AO2 SLP259 T00611039 |
| 10:56 EST |  Clear | 4°C / 39°F | -3°C / 27°F | 61% | 1026 mb (30.3 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KGON 081556Z 32008KT 10SM CLR 04/M03 A3031 RMK AO2 SLP264 T00391033 |
| 09:56 EST |  Clear | 4°C / 39°F | -3°C / 27°F | 61% | 1026 mb (30.3 in) | NNW 22 kph (NNW 13.8 mph) | - | 10SM |
| | KGON 081456Z 33012KT 10SM CLR 04/M03 A3031 RMK AO2 SLP263 T00391033 51022 |
| 08:56 EST |  Clear | 2°C / 36°F | -3°C / 27°F | 70% | 1026 mb (30.3 in) | NNW 19 kph (NNW 11.5 mph) | - | 10SM |
| | KGON 081356Z 34010KT 10SM CLR 02/M03 A3029 RMK AO2 SLP258 T00171033 |
| 07:56 EST |  Clear | 0°C / 32°F | -4°C / 25°F | 75% | 1025 mb (30.27 in) | N 11 kph (N 6.9 mph) | - | 10SM |
| | KGON 081256Z 35006KT 10SM CLR 00/M04 A3027 RMK AO2 SLP249 T00001039 |
| 06:56 EST |  Clear | -1°C / 30°F | -4°C / 25°F | 80% | 1024 mb (30.24 in) | NNW 17 kph (NNW 10.4 mph) | - | 10SM |
| | KGON 081156Z 33009KT 10SM CLR M01/M04 A3025 RMK AO2 SLP242 T10061039 10011 21006 53030 |
| 05:56 EST |  Clear | 0°C / 32°F | -4°C / 25°F | 75% | 1023 mb (30.21 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KGON 081056Z AUTO 30009KT 10SM CLR 00/M04 A3021 RMK AO2 SLP230 T00001044 |
| 04:56 EST |  Clear | 0°C / 32°F | -4°C / 25°F | 75% | 1022 mb (30.18 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KGON 080956Z AUTO 31009KT 10SM CLR 00/M04 A3018 RMK AO2 SLP221 T00001044 |
| 03:56 EST |  Clear | 0°C / 32°F | -4°C / 25°F | 75% | 1021 mb (30.15 in) | NNW 22 kph (NNW 13.8 mph) | - | 10SM |
| | KGON 080856Z AUTO 33012KT 10SM CLR 00/M04 A3016 RMK AO2 SLP212 T00001039 51010 |
| 02:56 EST |  Clear | 0°C / 32°F | -3°C / 27°F | 80% | 1021 mb (30.15 in) | NW 15 kph (NW 9.2 mph) | - | 9SM |
| | KGON 080756Z AUTO 30008KT 9SM CLR 00/M03 A3015 RMK AO2 SLP210 T00001033 |
| 01:56 EST |  Clear | 1°C / 34°F | -3°C / 27°F | 75% | 1021 mb (30.15 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KGON 080656Z AUTO 30006KT 10SM CLR 01/M03 A3015 RMK AO2 SLP208 T00061033 |
| 00:56 EST |  Clear | 1°C / 34°F | -3°C / 27°F | 75% | 1020 mb (30.12 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KGON 080556Z AUTO 31007KT 10SM CLR 01/M03 A3013 RMK AO2 SLP202 T00061033 10033 20006 53003 |