| 22:37 EST |  Overcast | -7°C / 19°F | -11°C / 12°F | 73% | 1026 mb (30.3 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KPHN 120337Z AUTO 22003KT 10SM OVC033 M07/M11 A3029 RMK AO2 |
| 22:17 EST |  Overcast | -7°C / 19°F | -10°C / 14°F | 79% | 1026 mb (30.3 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KPHN 120317Z AUTO 22003KT 10SM OVC037 M07/M10 A3029 RMK AO2 |
| 21:55 EST |  Overcast | -7°C / 19°F | -10°C / 14°F | 79% | 1026 mb (30.3 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KPHN 120255Z AUTO 21003KT 10SM OVC037 M07/M10 A3029 RMK AO2 |
| 21:37 EST |  Overcast | -6°C / 21°F | -10°C / 14°F | 74% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KPHN 120237Z AUTO 00000KT 10SM OVC035 M06/M10 A3029 RMK AO2 |
| 21:17 EST |  Overcast | -7°C / 19°F | -11°C / 12°F | 73% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KPHN 120217Z AUTO 00000KT 10SM OVC035 M07/M11 A3028 RMK AO2 |
| 20:55 EST |  Overcast | -7°C / 19°F | -11°C / 12°F | 73% | 1025 mb (30.27 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KPHN 120155Z AUTO 24003KT 10SM OVC035 M07/M11 A3027 RMK AO2 |
| 20:37 EST |  Overcast | -7°C / 19°F | -11°C / 12°F | 73% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KPHN 120137Z AUTO 00000KT 10SM OVC035 M07/M11 A3027 RMK AO2 |
| 20:18 EST |  Overcast | -8°C / 18°F | -12°C / 10°F | 73% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KPHN 120118Z AUTO 00000KT 10SM OVC037 M08/M12 A3027 RMK AO2 |
| 19:55 EST |  Overcast | -9°C / 16°F | -12°C / 10°F | 79% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KPHN 120055Z AUTO 00000KT 10SM OVC037 M09/M12 A3026 RMK AO2 |
| 19:37 EST |  Overcast | -9°C / 16°F | -12°C / 10°F | 79% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KPHN 120037Z AUTO 00000KT 10SM OVC037 M09/M12 A3025 RMK AO2 |
| 19:17 EST |  Mostly Cloudy | -9°C / 16°F | -13°C / 9°F | 73% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KPHN 120017Z AUTO 00000KT 10SM BKN039 M09/M13 A3025 RMK AO2 |
| 18:55 EST |  Mostly Cloudy | -8°C / 18°F | -13°C / 9°F | 68% | 1024 mb (30.24 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KPHN 112355Z AUTO 24003KT 10SM SCT027 SCT034 BKN039 M08/M13 A3025 RMK AO2 |
| 18:37 EST |  Partly Cloudy | -7°C / 19°F | -13°C / 9°F | 63% | 1024 mb (30.24 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KPHN 112337Z AUTO 25003KT 10SM SCT027 SCT039 SCT080 M07/M13 A3025 RMK AO2 |
| 18:17 EST |  Mostly Cloudy | -7°C / 19°F | -13°C / 9°F | 63% | 1024 mb (30.24 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KPHN 112317Z AUTO 24003KT 10SM SCT029 SCT035 BKN041 M07/M13 A3025 RMK AO2 |
| 17:55 EST |  Mostly Cloudy | -7°C / 19°F | -13°C / 9°F | 63% | 1024 mb (30.24 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KPHN 112255Z AUTO 26006KT 10SM SCT033 BKN041 BKN090 M07/M13 A3025 RMK AO2 |
| 17:37 EST |  Partly Cloudy | -7°C / 19°F | -13°C / 9°F | 63% | 1024 mb (30.24 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KPHN 112237Z AUTO 25006KT 10SM SCT043 SCT090 M07/M13 A3024 RMK AO2 |
| 17:17 EST |  Clear | -7°C / 19°F | -14°C / 7°F | 58% | 1024 mb (30.24 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KPHN 112217Z AUTO 26006KT 10SM CLR M07/M14 A3024 RMK AO2 |
| 16:55 EST |  Clear | -7°C / 19°F | -14°C / 7°F | 58% | 1024 mb (30.24 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KPHN 112155Z AUTO 26007KT 232V292 10SM CLR M07/M14 A3023 RMK AO2 |
| 16:37 EST |  Clear | -6°C / 21°F | -13°C / 9°F | 58% | 1023 mb (30.21 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KPHN 112137Z AUTO 26007G15KT 222V292 10SM CLR M06/M13 A3022 RMK AO2 |
| 16:17 EST |  Partly Cloudy | -6°C / 21°F | -13°C / 9°F | 58% | 1023 mb (30.21 in) | W 17 kph (W 10.4 mph) | - | 10SM |
| | KPHN 112117Z AUTO 27009G15KT 10SM SCT036 M06/M13 A3021 RMK AO2 |
| 15:55 EST |  Partly Cloudy | -6°C / 21°F | -13°C / 9°F | 58% | 1023 mb (30.21 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KPHN 112055Z AUTO 26008G18KT 10SM SCT034 SCT042 SCT048 M06/M13 A3020 RMK AO2 |
| 15:37 EST |  Mostly Cloudy | -6°C / 21°F | -13°C / 9°F | 58% | 1023 mb (30.21 in) | SSW 19 kph (SSW 11.5 mph) | - | 10SM |
| | KPHN 112037Z AUTO 25010G16KT 10SM SCT032 BKN038 BKN046 M06/M13 A3020 RMK AO2 |
| 15:17 EST |  Overcast | -6°C / 21°F | -12°C / 10°F | 63% | 1022 mb (30.18 in) | W 13 kph (W 8.1 mph) | - | 10SM |
| | KPHN 112017Z AUTO 27007G16KT 10SM BKN035 BKN045 OVC050 M06/M12 A3019 RMK AO2 |
| 14:55 EST |  Mostly Cloudy | -5°C / 23°F | -13°C / 9°F | 54% | 1022 mb (30.18 in) | SSW 22 kph (SSW 13.8 mph) | - | 10SM |
| | KPHN 111955Z AUTO 25012G18KT 10SM SCT034 BKN040 BKN046 M05/M13 A3019 RMK AO2 |
| 14:37 EST |  Mostly Cloudy | -6°C / 21°F | -13°C / 9°F | 58% | 1022 mb (30.18 in) | W 20 kph (W 12.7 mph) | - | 10SM |
| | KPHN 111937Z AUTO 28011G18KT 10SM BKN041 BKN046 M06/M13 A3018 RMK AO2 |
| 14:17 EST |  Overcast | -5°C / 23°F | -13°C / 9°F | 54% | 1022 mb (30.18 in) | W 17 kph (W 10.4 mph) | - | 10SM |
| | KPHN 111917Z AUTO 27009G21KT 10SM BKN041 OVC049 M05/M13 A3017 RMK AO2 |
| 13:55 EST |  Overcast | -6°C / 21°F | -13°C / 9°F | 58% | 1022 mb (30.18 in) | SSW 24 kph (SSW 15 mph) | - | 10SM |
| | KPHN 111855Z AUTO 26013G19KT 10SM SCT030 BKN038 OVC050 M06/M13 A3017 RMK AO2 |
| 13:37 EST |  Mostly Cloudy Light Snow | -7°C / 19°F | -12°C / 10°F | 68% | 1022 mb (30.18 in) | SSW 17 kph (SSW 10.4 mph) | - | 7SM |
| | KPHN 111837Z AUTO 26009G19KT 232V302 7SM -SN SCT026 SCT036 BKN043 M07/M12 A3017 RMK AO2 |
| 13:17 EST |  Overcast | -6°C / 21°F | -13°C / 9°F | 58% | 1021 mb (30.15 in) | W 17 kph (W 10.4 mph) | - | 10SM |
| | KPHN 111817Z AUTO 27009G22KT 232V292 10SM SCT026 BKN041 OVC055 M06/M13 A3016 RMK AO2 |
| 12:55 EST |  Mostly Cloudy | -6°C / 21°F | -14°C / 7°F | 54% | 1021 mb (30.15 in) | SSW 17 kph (SSW 10.4 mph) | - | 10SM |
| | KPHN 111755Z AUTO 26009G20KT 10SM SCT037 BKN044 BKN050 M06/M14 A3016 RMK AO2 |
| 12:37 EST |  Mostly Cloudy | -6°C / 21°F | -13°C / 9°F | 58% | 1021 mb (30.15 in) | SSW 28 kph (SSW 17.3 mph) | - | 10SM |
| | KPHN 111737Z AUTO 25015G21KT 10SM SCT026 SCT033 BKN045 M06/M13 A3016 RMK AO2 |
| 12:17 EST |  Overcast | -6°C / 21°F | -13°C / 9°F | 58% | 1021 mb (30.15 in) | SSW 20 kph (SSW 12.7 mph) | - | 10SM |
| | KPHN 111717Z AUTO 25011G17KT 10SM SCT026 BKN034 OVC040 M06/M13 A3016 RMK AO2 |
| 11:55 EST |  Overcast Light Snow | -7°C / 19°F | -12°C / 10°F | 68% | 1021 mb (30.15 in) | SSW 11 kph (SSW 6.9 mph) | - | 3SM |
| | KPHN 111655Z AUTO 26006G15KT 3SM -SN SCT019 BKN033 OVC041 M07/M12 A3015 RMK AO2 |
| 11:37 EST |  Overcast | -7°C / 19°F | -13°C / 9°F | 63% | 1021 mb (30.15 in) | SSW 17 kph (SSW 10.4 mph) | - | 10SM |
| | KPHN 111637Z AUTO 26009G15KT 10SM SCT026 SCT031 OVC039 M07/M13 A3015 RMK AO2 |
| 11:17 EST |  Overcast | -7°C / 19°F | -14°C / 7°F | 58% | 1021 mb (30.15 in) | SSW 19 kph (SSW 11.5 mph) | - | 10SM |
| | KPHN 111617Z AUTO 26010G25KT 10SM OVC039 M07/M14 A3015 RMK AO2 |
| 10:55 EST |  Overcast | -7°C / 19°F | -15°C / 5°F | 53% | 1021 mb (30.15 in) | W 13 kph (W 8.1 mph) | - | 10SM |
| | KPHN 111555Z AUTO 27007G19KT 10SM SCT032 OVC039 M07/M15 A3015 RMK AO2 |
| 10:37 EST |  Mostly Cloudy | -7°C / 19°F | -15°C / 5°F | 53% | 1021 mb (30.15 in) | SSW 17 kph (SSW 10.4 mph) | - | 10SM |
| | KPHN 111537Z AUTO 25009G24KT 10SM BKN037 M07/M15 A3015 RMK AO2 |
| 10:17 EST |  Overcast | -8°C / 18°F | -14°C / 7°F | 62% | 1021 mb (30.15 in) | SSW 28 kph (SSW 17.3 mph) | - | 10SM |
| | KPHN 111517Z AUTO 26015G22KT 232V302 10SM SCT028 BKN038 OVC044 M08/M14 A3014 RMK AO2 |
| 09:55 EST |  Overcast Light Snow | -8°C / 18°F | -12°C / 10°F | 73% | 1020 mb (30.12 in) | SSW 15 kph (SSW 9.2 mph) | - | 2 1/2SM |
| | KPHN 111455Z AUTO 25008G15KT 222V282 2 1/2SM -SN SCT015 BKN027 OVC037 M08/M12 A3013 RMK AO2 VIS 1 1/2V4 |
| 09:37 EST |  Overcast Light Snow | -8°C / 18°F | -12°C / 10°F | 73% | 1020 mb (30.12 in) | SSW 9 kph (SSW 5.8 mph) | - | 2 1/2SM |
| | KPHN 111437Z AUTO 25005KT 2 1/2SM -SN SCT015 BKN030 OVC034 M08/M12 A3012 RMK AO2 |
| 09:17 EST |  Overcast | -8°C / 18°F | -14°C / 7°F | 62% | 1019 mb (30.09 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KPHN 111417Z AUTO 26008G14KT 242V302 10SM OVC036 M08/M14 A3010 RMK AO2 |
| 08:55 EST |  Overcast | -8°C / 18°F | -14°C / 7°F | 62% | 1019 mb (30.09 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KPHN 111355Z AUTO 26008G16KT 222V302 10SM OVC038 M08/M14 A3009 RMK AO2 |
| 08:37 EST |  Overcast | -8°C / 18°F | -13°C / 9°F | 68% | 1019 mb (30.09 in) | W 13 kph (W 8.1 mph) | - | 10SM |
| | KPHN 111337Z AUTO 28007KT 10SM SCT034 OVC039 M08/M13 A3009 RMK AO2 |
| 08:17 EST |  Overcast | -8°C / 18°F | -14°C / 7°F | 62% | 1018 mb (30.06 in) | W 17 kph (W 10.4 mph) | - | 10SM |
| | KPHN 111317Z AUTO 28009G14KT 242V312 10SM BKN037 OVC043 M08/M14 A3007 RMK AO2 |
| 07:55 EST |  Overcast | -9°C / 16°F | -14°C / 7°F | 67% | 1018 mb (30.06 in) | W 13 kph (W 8.1 mph) | - | 10SM |
| | KPHN 111255Z AUTO 27007KT 232V302 10SM OVC041 M09/M14 A3006 RMK AO2 |
| 07:37 EST |  Overcast | -9°C / 16°F | -15°C / 5°F | 62% | 1018 mb (30.06 in) | W 19 kph (W 11.5 mph) | - | 10SM |
| | KPHN 111237Z AUTO 27010G17KT 10SM OVC041 M09/M15 A3005 RMK AO2 |
| 07:17 EST |  Overcast | -9°C / 16°F | -15°C / 5°F | 62% | 1017 mb (30.03 in) | W 20 kph (W 12.7 mph) | - | 10SM |
| | KPHN 111217Z AUTO 27011G18KT 10SM OVC041 M09/M15 A3004 RMK AO2 |
| 06:55 EST |  Overcast | -8°C / 18°F | -15°C / 5°F | 58% | 1017 mb (30.03 in) | W 17 kph (W 10.4 mph) | - | 10SM |
| | KPHN 111155Z AUTO 28009G21KT 10SM OVC045 M08/M15 A3003 RMK AO2 |
| 06:37 EST |  Mostly Cloudy | -8°C / 18°F | -15°C / 5°F | 58% | 1017 mb (30.03 in) | SSW 26 kph (SSW 16.1 mph) | - | 10SM |
| | KPHN 111137Z AUTO 26014G20KT 10SM BKN045 M08/M15 A3003 RMK AO2 |
| 06:17 EST |  Mostly Cloudy | -9°C / 16°F | -13°C / 9°F | 73% | 1017 mb (30.03 in) | SSW 19 kph (SSW 11.5 mph) | - | 10SM |
| | KPHN 111117Z AUTO 26010G17KT 10SM SCT020 SCT025 BKN046 M09/M13 A3002 RMK AO2 |
| 05:55 EST |  Overcast Light Snow | -8°C / 18°F | -13°C / 9°F | 68% | 1017 mb (30.03 in) | W 22 kph (W 13.8 mph) | - | 7SM |
| | KPHN 111055Z AUTO 27012G25KT 7SM -SN SCT020 BKN042 OVC050 M08/M13 A3002 RMK AO2 |
| 05:38 EST |  Partly Cloudy | -8°C / 18°F | -13°C / 9°F | 68% | 1016 mb (30 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KPHN 111038Z AUTO 26008G14KT 222V292 10SM SCT033 SCT041 SCT050 M08/M13 A3000 RMK AO2 |
| 05:17 EST |  Partly Cloudy | -8°C / 18°F | -14°C / 7°F | 62% | 1016 mb (30 in) | SSW 20 kph (SSW 12.7 mph) | - | 10SM |
| | KPHN 111017Z AUTO 25011G20KT 212V272 10SM SCT031 SCT039 M08/M14 A2999 RMK AO2 |
| 04:55 EST |  Mostly Cloudy | -9°C / 16°F | -13°C / 9°F | 73% | 1016 mb (30 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KPHN 110955Z AUTO 25006KT 10SM SCT029 SCT037 BKN055 M09/M13 A2999 RMK AO2 |
| 04:37 EST |  Overcast | -9°C / 16°F | -13°C / 9°F | 73% | 1015 mb (29.97 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KPHN 110937Z AUTO 24008KT 10SM SCT019 BKN028 OVC055 M09/M13 A2998 RMK AO2 |
| 04:17 EST |  Overcast Light Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1015 mb (29.97 in) | SW 11 kph (SW 6.9 mph) | - | 7SM |
| | KPHN 110917Z AUTO 22006KT 7SM -SN BKN024 OVC029 M10/M13 A2998 RMK AO2 |
| 03:55 EST |  Overcast | -10°C / 14°F | -13°C / 9°F | 79% | 1015 mb (29.97 in) | SW 7 kph (SW 4.6 mph) | - | 10SM |
| | KPHN 110855Z AUTO 23004KT 10SM BKN028 OVC034 M10/M13 A2998 RMK AO2 |
| 03:37 EST |  Partly Cloudy | -10°C / 14°F | -15°C / 5°F | 67% | 1015 mb (29.97 in) | SW 11 kph (SW 6.9 mph) | - | 10SM |
| | KPHN 110837Z AUTO 22006KT 10SM SCT024 SCT032 M10/M15 A2998 RMK AO2 |
| 03:17 EST |  Clear | -11°C / 12°F | -15°C / 5°F | 73% | 1015 mb (29.97 in) | SW 11 kph (SW 6.9 mph) | - | 10SM |
| | KPHN 110817Z AUTO 22006KT 10SM CLR M11/M15 A2998 RMK AO2 |
| 02:55 EST |  Clear | -11°C / 12°F | -15°C / 5°F | 73% | 1015 mb (29.97 in) | SW 11 kph (SW 6.9 mph) | - | 10SM |
| | KPHN 110755Z AUTO 22006KT 10SM CLR M11/M15 A2998 RMK AO2 |
| 02:37 EST |  Clear | -11°C / 12°F | -16°C / 3°F | 67% | 1015 mb (29.97 in) | SW 11 kph (SW 6.9 mph) | - | 10SM |
| | KPHN 110737Z AUTO 22006KT 10SM CLR M11/M16 A2997 RMK AO2 |
| 02:17 EST |  Clear | -11°C / 12°F | -16°C / 3°F | 67% | 1015 mb (29.97 in) | SW 11 kph (SW 6.9 mph) | - | 10SM |
| | KPHN 110717Z AUTO 22006KT 10SM CLR M11/M16 A2997 RMK AO2 |
| 01:55 EST |  Clear | -11°C / 12°F | -16°C / 3°F | 67% | 1015 mb (29.97 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KPHN 110655Z AUTO 22005KT 10SM CLR M11/M16 A2996 RMK AO2 |
| 01:37 EST |  Clear | -11°C / 12°F | -16°C / 3°F | 67% | 1015 mb (29.97 in) | SW 11 kph (SW 6.9 mph) | - | 10SM |
| | KPHN 110637Z AUTO 22006KT 10SM CLR M11/M16 A2996 RMK AO2 |
| 01:17 EST |  Clear | -11°C / 12°F | -16°C / 3°F | 67% | 1015 mb (29.97 in) | SW 13 kph (SW 8.1 mph) | - | 10SM |
| | KPHN 110617Z AUTO 22007KT 10SM CLR M11/M16 A2996 RMK AO2 |
| 00:55 EST |  Partly Cloudy | -11°C / 12°F | -16°C / 3°F | 67% | 1014 mb (29.94 in) | SW 15 kph (SW 9.2 mph) | - | 10SM |
| | KPHN 110555Z AUTO 23008KT 10SM SCT022 SCT033 M11/M16 A2995 RMK AO2 |
| 00:37 EST |  Mostly Cloudy | -11°C / 12°F | -16°C / 3°F | 67% | 1015 mb (29.97 in) | SW 15 kph (SW 9.2 mph) | - | 10SM |
| | KPHN 110537Z AUTO 22008KT 10SM SCT022 BKN032 M11/M16 A2996 RMK AO2 |
| 00:17 EST |  Mostly Cloudy | -11°C / 12°F | -16°C / 3°F | 67% | 1015 mb (29.97 in) | SW 13 kph (SW 8.1 mph) | - | 10SM |
| | KPHN 110517Z AUTO 23007G16KT 202V262 10SM BKN032 M11/M16 A2996 RMK AO2 |