| 18:55 EST |  Overcast Unknown Precip | 2°C / 36°F | 0°C / 32°F | 87% | 1016 mb (30 in) | Calm | - | 1 1/2SM |
| | KW99 252355Z AUTO 00000KT 1 1/2SM UP OVC005 02/00 A3001 RMK AO2 |
| 18:35 EST |  Overcast Unknown Precip | 2°C / 36°F | 1°C / 34°F | 93% | 1016 mb (30 in) | NW 7 kph (NW 4.6 mph) | - | 1 3/4SM |
| | KW99 252335Z AUTO 30004KT 1 3/4SM UP BKN005 BKN011 OVC020 02/01 A3001 RMK AO2 |
| 18:16 EST |  Overcast Unknown Precip | 3°C / 37°F | 1°C / 34°F | 87% | 1017 mb (30.03 in) | Calm | - | 1 1/2SM |
| | KW99 252316Z AUTO 00000KT 1 1/2SM UP BKN005 BKN011 OVC017 03/01 A3004 RMK AO2 |
| 17:55 EST |  Overcast Unknown Precip | 3°C / 37°F | 1°C / 34°F | 87% | 1017 mb (30.03 in) | NW 6 kph (NW 3.5 mph) | - | 1 3/4SM |
| | KW99 252255Z AUTO 30003KT 1 3/4SM UP BKN005 OVC017 03/01 A3004 RMK AO2 |
| 17:35 EST |  Overcast Unknown Precip | 3°C / 37°F | 1°C / 34°F | 87% | 1018 mb (30.06 in) | WNW 7 kph (WNW 4.6 mph) | - | 2 1/2SM |
| | KW99 252235Z AUTO 29004KT 2 1/2SM UP OVC005 03/01 A3005 RMK AO2 |
| 17:15 EST |  Overcast Unknown Precip | 3°C / 37°F | 1°C / 34°F | 87% | 1017 mb (30.03 in) | Calm | - | 2SM |
| | KW99 252215Z AUTO 00000KT 2SM UP OVC005 03/01 A3004 RMK AO2 |
| 16:55 EST |  Overcast Unknown Precip | 3°C / 37°F | 1°C / 34°F | 87% | 1018 mb (30.06 in) | SSW 6 kph (SSW 3.5 mph) | - | 1 3/4SM |
| | KW99 252155Z AUTO 26003KT 1 3/4SM UP OVC005 03/01 A3006 RMK AO2 |
| 16:35 EST |  Overcast Unknown Precip | 2°C / 36°F | 1°C / 34°F | 93% | 1017 mb (30.03 in) | Calm | - | 1 1/2SM |
| | KW99 252135Z AUTO 00000KT 1 1/2SM UP OVC005 02/01 A3003 RMK AO2 |
| 16:15 EST |  Overcast Unknown Precip | 2°C / 36°F | 0°C / 32°F | 87% | 1018 mb (30.06 in) | Calm | - | 1 1/2SM |
| | KW99 252115Z AUTO 00000KT 1 1/2SM UP OVC005 02/00 A3005 RMK AO2 |
| 15:55 EST |  Overcast Unknown Precip | 2°C / 36°F | 0°C / 32°F | 87% | 1018 mb (30.06 in) | Calm | - | 1 1/4SM |
| | KW99 252055Z AUTO 00000KT 1 1/4SM UP OVC005 02/00 A3006 RMK AO2 |
| 15:35 EST |  Overcast Unknown Precip | 1°C / 34°F | -1°C / 30°F | 87% | 1017 mb (30.03 in) | SSW 7 kph (SSW 4.6 mph) | - | 1SM |
| | KW99 252035Z AUTO 25004KT 1SM UP OVC005 01/M01 A3003 RMK AO2 |
| 15:15 EST |  Overcast Unknown Precip | 1°C / 34°F | -1°C / 30°F | 87% | 1018 mb (30.06 in) | W 6 kph (W 3.5 mph) | - | 1 1/4SM |
| | KW99 252015Z AUTO 28003KT 1 1/4SM UP OVC005 01/M01 A3005 RMK AO2 LTG DSNT S |
| 14:55 EST |  Overcast Unknown Precip | 1°C / 34°F | -2°C / 28°F | 81% | 1018 mb (30.06 in) | SSW 6 kph (SSW 3.5 mph) | - | 1 1/4SM |
| | KW99 251955Z AUTO 25003KT 1 1/4SM UP OVC005 01/M02 A3007 RMK AO2 |
| 14:35 EST |  Overcast Unknown Precip | 1°C / 34°F | -1°C / 30°F | 87% | 1018 mb (30.06 in) | Calm | - | 1 1/4SM |
| | KW99 251935Z AUTO 00000KT 1 1/4SM UP OVC005 01/M01 A3007 RMK AO2 |
| 14:15 EST |  Overcast Unknown Precip | 1°C / 34°F | -2°C / 28°F | 81% | 1019 mb (30.09 in) | Calm | - | 1 1/2SM |
| | KW99 251915Z AUTO 00000KT 1 1/2SM UP BKN007 OVC014 01/M02 A3008 RMK AO2 LTG DSNT S |
| 13:55 EST |  Overcast Unknown Precip | 1°C / 34°F | -2°C / 28°F | 81% | 1019 mb (30.09 in) | Calm | - | 1 1/2SM |
| | KW99 251855Z AUTO 00000KT 1 1/2SM UP SCT009 OVC014 01/M02 A3009 RMK AO2 |
| 13:35 EST |  Overcast Unknown Precip | 0°C / 32°F | -2°C / 28°F | 87% | 1020 mb (30.12 in) | W 6 kph (W 3.5 mph) | - | 1 1/2SM |
| | KW99 251835Z AUTO 28003KT 1 1/2SM UP BKN009 OVC012 00/M02 A3011 RMK AO2 LTG DSNT S |
| 13:15 EST |  Overcast Fog And Mist | 1°C / 34°F | -2°C / 28°F | 81% | 1019 mb (30.09 in) | Calm | - | 1 1/2SM |
| | KW99 251815Z AUTO 00000KT 1 1/2SM BR BKN008 OVC014 01/M02 A3010 RMK AO2 |
| 12:55 EST |  Overcast Fog And Mist | 0°C / 32°F | -2°C / 28°F | 87% | 1020 mb (30.12 in) | SW 6 kph (SW 3.5 mph) | - | 1 3/4SM |
| | KW99 251755Z AUTO 21003KT 1 3/4SM BR SCT009 OVC014 00/M02 A3012 RMK AO2 |
| 12:35 EST |  Overcast Unknown Precip | 0°C / 32°F | -2°C / 28°F | 87% | 1020 mb (30.12 in) | Calm | - | 2 1/2SM |
| | KW99 251735Z AUTO 00000KT 2 1/2SM UP OVC014 00/M02 A3013 RMK AO2 |
| 12:15 EST |  Overcast Hazy | 0°C / 32°F | -3°C / 27°F | 80% | 1021 mb (30.15 in) | Calm | - | 3SM |
| | KW99 251715Z AUTO 00000KT 3SM HZ OVC016 00/M03 A3014 RMK AO2 |
| 11:55 EST |  Overcast Unknown Precip | 0°C / 32°F | -3°C / 27°F | 80% | 1022 mb (30.18 in) | Calm | - | 3SM |
| | KW99 251655Z AUTO 00000KT 3SM UP OVC016 00/M03 A3017 RMK AO2 |
| 11:35 EST |  Overcast Unknown Precip | -1°C / 30°F | -3°C / 27°F | 86% | 1022 mb (30.18 in) | Calm | - | 3SM |
| | KW99 251635Z AUTO 00000KT 3SM UP OVC016 M01/M03 A3019 RMK AO2 |
| 11:16 EST |  Overcast Hazy | -1°C / 30°F | -3°C / 27°F | 86% | 1022 mb (30.18 in) | Calm | - | 4SM |
| | KW99 251616Z AUTO 00000KT 4SM HZ OVC016 M01/M03 A3019 RMK AO2 |
| 10:55 EST |  Overcast Hazy | -1°C / 30°F | -4°C / 25°F | 80% | 1023 mb (30.21 in) | Calm | - | 5SM |
| | KW99 251555Z AUTO 00000KT 5SM HZ OVC018 M01/M04 A3021 RMK AO2 |
| 10:35 EST |  Overcast Hazy | -1°C / 30°F | -4°C / 25°F | 80% | 1024 mb (30.24 in) | Calm | - | 5SM |
| | KW99 251535Z AUTO 00000KT 5SM HZ OVC020 M01/M04 A3023 RMK AO2 |
| 10:16 EST |  Overcast Hazy | -1°C / 30°F | -4°C / 25°F | 80% | 1024 mb (30.24 in) | Calm | - | 5SM |
| | KW99 251516Z AUTO 00000KT 5SM HZ OVC020 M01/M04 A3024 RMK AO2 |
| 09:55 EST |  Overcast Hazy | -1°C / 30°F | -4°C / 25°F | 80% | 1024 mb (30.24 in) | Calm | - | 5SM |
| | KW99 251455Z AUTO 00000KT 5SM HZ OVC022 M01/M04 A3025 RMK AO2 |
| 09:35 EST |  Overcast Hazy | -1°C / 30°F | -4°C / 25°F | 80% | 1025 mb (30.27 in) | Calm | - | 5SM |
| | KW99 251435Z AUTO 00000KT 5SM HZ OVC024 M01/M04 A3026 RMK AO2 |
| 09:16 EST |  Overcast Hazy | -1°C / 30°F | -4°C / 25°F | 80% | 1024 mb (30.24 in) | Calm | - | 5SM |
| | KW99 251416Z AUTO 00000KT 5SM HZ OVC024 M01/M04 A3025 RMK AO2 |
| 08:55 EST |  Overcast Fog And Mist | -2°C / 28°F | -4°C / 25°F | 86% | 1024 mb (30.24 in) | Calm | - | 5SM |
| | KW99 251355Z AUTO 00000KT 5SM BR OVC024 M02/M04 A3025 RMK AO2 |
| 08:35 EST |  Overcast Fog And Mist | -2°C / 28°F | -4°C / 25°F | 86% | 1024 mb (30.24 in) | Calm | - | 5SM |
| | KW99 251335Z AUTO 00000KT 5SM BR OVC026 M02/M04 A3024 RMK AO2 |
| 08:15 EST |  Overcast Hazy | -2°C / 28°F | -4°C / 25°F | 86% | 1024 mb (30.24 in) | Calm | - | 5SM |
| | KW99 251315Z AUTO 00000KT 5SM HZ OVC026 M02/M04 A3025 RMK AO2 |
| 07:55 EST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1024 mb (30.24 in) | Calm | - | 7SM |
| | KW99 251255Z AUTO 00000KT 7SM OVC028 M02/M04 A3025 RMK AO2 |
| 07:37 EST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1025 mb (30.27 in) | SSE 6 kph (SSE 3.5 mph) | - | 7SM |
| | KW99 251237Z AUTO 16003KT 7SM OVC030 M02/M04 A3027 RMK AO2 |
| 07:16 EST |  Overcast Unknown Precip | -2°C / 28°F | -5°C / 23°F | 80% | 1025 mb (30.27 in) | Calm | - | 7SM |
| | KW99 251216Z AUTO 00000KT 7SM UP BKN032 BKN050 OVC070 M02/M05 A3026 RMK AO2 |
| 06:55 EST |  Overcast Unknown Precip | -2°C / 28°F | -5°C / 23°F | 80% | 1025 mb (30.27 in) | Calm | - | 5SM |
| | KW99 251155Z AUTO 00000KT 5SM UP SCT065 OVC080 M02/M05 A3027 RMK AO2 |
| 06:35 EST |  Overcast Unknown Precip | -2°C / 28°F | -6°C / 21°F | 74% | 1026 mb (30.3 in) | Calm | - | 5SM |
| | KW99 251135Z AUTO 00000KT 5SM UP OVC065 M02/M06 A3029 RMK AO2 |
| 06:16 EST |  Overcast Light Snow | -3°C / 27°F | -6°C / 21°F | 80% | 1026 mb (30.3 in) | Calm | - | 7SM |
| | KW99 251116Z AUTO 00000KT 7SM -SN OVC065 M03/M06 A3030 RMK AO2 |
| 05:56 EST |  Overcast | -3°C / 27°F | -6°C / 21°F | 80% | 1026 mb (30.3 in) | Calm | - | 7SM |
| | KW99 251056Z AUTO 00000KT 7SM BKN065 OVC090 M03/M06 A3029 RMK AO2 |
| 05:36 EST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1026 mb (30.3 in) | Calm | - | 7SM |
| | KW99 251036Z AUTO 00000KT 7SM BKN065 BKN075 OVC090 M03/M07 A3029 RMK AO2 |
| 05:16 EST |  Overcast Unknown Precip | -3°C / 27°F | -7°C / 19°F | 74% | 1026 mb (30.3 in) | Calm | - | 5SM |
| | KW99 251016Z AUTO 00000KT 5SM UP BKN070 OVC090 M03/M07 A3029 RMK AO2 |
| 04:56 EST |  Overcast Unknown Precip | -4°C / 25°F | -7°C / 19°F | 80% | 1025 mb (30.27 in) | Calm | - | 5SM |
| | KW99 250956Z AUTO 00000KT 5SM UP BKN070 OVC080 M04/M07 A3028 RMK AO2 |
| 04:36 EST |  Overcast | -4°C / 25°F | -7°C / 19°F | 80% | 1025 mb (30.27 in) | Calm | - | 7SM |
| | KW99 250936Z AUTO 00000KT 7SM OVC070 M04/M07 A3028 RMK AO2 |
| 04:15 EST |  Overcast | -4°C / 25°F | -7°C / 19°F | 80% | 1026 mb (30.3 in) | Calm | - | 7SM |
| | KW99 250915Z AUTO 00000KT 7SM BKN070 OVC110 M04/M07 A3030 RMK AO2 |
| 03:56 EST |  Mostly Cloudy Hazy | -5°C / 23°F | -8°C / 18°F | 80% | 1026 mb (30.3 in) | Calm | - | 5SM |
| | KW99 250856Z AUTO 00000KT 5SM HZ BKN070 BKN120 M05/M08 A3030 RMK AO2 |
| 03:37 EST |  Partly Cloudy Hazy | -5°C / 23°F | -8°C / 18°F | 80% | 1026 mb (30.3 in) | Calm | - | 5SM |
| | KW99 250837Z AUTO 00000KT 5SM HZ SCT070 SCT120 M05/M08 A3031 RMK AO2 |
| 03:16 EST |  Clear | -6°C / 21°F | -8°C / 18°F | 86% | 1027 mb (30.33 in) | Calm | - | 7SM |
| | KW99 250816Z AUTO 00000KT 7SM CLR M06/M08 A3032 RMK AO2 |
| 02:56 EST |  Clear Fog And Mist | -7°C / 19°F | -9°C / 16°F | 86% | 1027 mb (30.33 in) | Calm | - | 5SM |
| | KW99 250756Z AUTO 00000KT 5SM BR CLR M07/M09 A3032 RMK AO2 |
| 02:36 EST |  Clear Fog And Mist | -7°C / 19°F | -9°C / 16°F | 86% | 1027 mb (30.33 in) | Calm | - | 5SM |
| | KW99 250736Z AUTO 00000KT 5SM BR CLR M07/M09 A3033 RMK AO2 |
| 02:15 EST |  Clear Hazy | -7°C / 19°F | -10°C / 14°F | 79% | 1027 mb (30.33 in) | W 6 kph (W 3.5 mph) | - | 5SM |
| | KW99 250715Z AUTO 27003KT 5SM HZ CLR M07/M10 A3033 RMK AO2 |
| 01:57 EST |  Clear Fog And Mist | -7°C / 19°F | -9°C / 16°F | 86% | 1027 mb (30.33 in) | Calm | - | 5SM |
| | KW99 250657Z AUTO 00000KT 5SM BR CLR M07/M09 A3032 RMK AO2 |
| 01:35 EST |  Clear Fog And Mist | -7°C / 19°F | -9°C / 16°F | 86% | 1027 mb (30.33 in) | Calm | - | 5SM |
| | KW99 250635Z AUTO 00000KT 5SM BR CLR M07/M09 A3032 RMK AO2 |
| 01:15 EST |  Clear Fog And Mist | -8°C / 18°F | -9°C / 16°F | 93% | 1027 mb (30.33 in) | Calm | - | 5SM |
| | KW99 250615Z AUTO 00000KT 5SM BR CLR M08/M09 A3032 RMK AO2 |
| 00:55 EST |  Clear | -8°C / 18°F | -10°C / 14°F | 86% | 1027 mb (30.33 in) | Calm | - | 7SM |
| | KW99 250555Z AUTO 00000KT 7SM CLR M08/M10 A3033 RMK AO2 |
| 00:35 EST |  Clear | -7°C / 19°F | -9°C / 16°F | 86% | 1027 mb (30.33 in) | Calm | - | 7SM |
| | KW99 250535Z AUTO 00000KT 7SM CLR M07/M09 A3033 RMK AO2 |
| 00:15 EST |  Clear | -8°C / 18°F | -11°C / 12°F | 79% | 1027 mb (30.33 in) | Calm | - | 7SM |
| | KW99 250515Z AUTO 00000KT 7SM CLR M08/M11 A3034 RMK AO2 |