| 20:45 EST |  Clear | -4°C / 25°F | -5°C / 23°F | 93% | 1031 mb (30.45 in) | Calm | - | 10SM |
| | KMTN 250145Z 00000KT 10SM SKC M04/M05 A3044 |
| 18:45 EST |  Clear | -3°C / 27°F | -5°C / 23°F | 86% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KMTN 242345Z 00000KT 10SM SKC M03/M05 A3041 |
| 16:45 EST |  Clear | 1°C / 34°F | -3°C / 27°F | 75% | 1029 mb (30.39 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KMTN 242145Z 08003KT 10SM SKC 01/M03 A3038 |
| 15:45 EST |  Clear | 1°C / 34°F | -3°C / 27°F | 75% | 1029 mb (30.39 in) | SE 9 kph (SE 5.8 mph) | - | 10SM |
| | KMTN 242045Z 14005KT 10SM SKC 01/M03 A3039 |
| 13:50 EST |  Partly Cloudy | 3°C / 37°F | -4°C / 25°F | 60% | 1029 mb (30.39 in) | Calm | - | 10SM |
| | KMTN 241850Z 00000KT 10SM FEW150 03/M04 A3039 |
| 12:48 EST |  Partly Cloudy | 2°C / 36°F | -5°C / 23°F | 60% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KMTN 241748Z 00000KT 10SM FEW200 02/M05 A3041 |
| 11:59 EST |  Clear | 2°C / 36°F | -6°C / 21°F | 56% | 1031 mb (30.45 in) | Calm | - | 10SM |
| | KMTN 241659Z 00000KT 10SM SKC 02/M06 A3044 |
| 10:54 EST |  Clear | 0°C / 32°F | -6°C / 21°F | 64% | 1031 mb (30.45 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KMTN 241554Z 26003KT 10SM SKC 00/M06 A3045 |
| 09:49 EST |  Clear | -2°C / 28°F | -7°C / 19°F | 69% | 1031 mb (30.45 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KMTN 241449Z 30004KT 10SM SKC M02/M07 A3044 |
| 08:51 EST |  Clear | -6°C / 21°F | -8°C / 18°F | 86% | 1030 mb (30.42 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KMTN 241351Z 28003KT 10SM SKC M06/M08 A3043 |
| 07:55 EST |  Clear | -7°C / 19°F | -9°C / 16°F | 86% | 1030 mb (30.42 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KMTN 241255Z 27003KT 10SM SKC M07/M09 A3041 |
| 06:45 EST |  Clear | -6°C / 21°F | -8°C / 18°F | 86% | 1030 mb (30.42 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KMTN 241145Z 28005KT 10SM SKC M06/M08 A3041 |
| 05:55 EST |  Clear | -6°C / 21°F | -8°C / 18°F | 86% | 1029 mb (30.39 in) | Calm | - | 10SM |
| | KMTN 241055Z 00000KT 10SM SKC M06/M08 A3040 |
| 05:33 EST |  Clear | -6°C / 21°F | -8°C / 18°F | 86% | 1029 mb (30.39 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KMTN 241033Z AUTO 26004KT 10SM CLR M06/M08 A3039 RMK AO2 |
| 05:30 EST |  Clear | -7°C / 19°F | -8°C / 18°F | 93% | 1029 mb (30.39 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KMTN 241030Z AUTO 26005KT 10SM CLR M07/M08 A3038 RMK AO2 |
| 05:09 EST |  Clear | -6°C / 21°F | -8°C / 18°F | 86% | 1028 mb (30.36 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KMTN 241009Z AUTO 25003KT 10SM CLR M06/M08 A3036 RMK AO2 |
| 04:48 EST |  Clear | -7°C / 19°F | -8°C / 18°F | 93% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | KMTN 240948Z AUTO 00000KT 10SM CLR M07/M08 A3036 RMK AO2 |
| 04:27 EST |  Clear | -6°C / 21°F | -8°C / 18°F | 86% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | KMTN 240927Z AUTO 00000KT 10SM CLR M06/M08 A3035 RMK AO2 |
| 04:06 EST |  Clear | -6°C / 21°F | -9°C / 16°F | 80% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KMTN 240906Z AUTO 00000KT 10SM CLR M06/M09 A3034 RMK AO2 |
| 03:45 EST |  Clear | -5°C / 23°F | -9°C / 16°F | 74% | 1027 mb (30.33 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KMTN 240845Z AUTO 27003KT 10SM CLR M05/M09 A3034 RMK AO2 |
| 03:24 EST |  Clear | -6°C / 21°F | -10°C / 14°F | 74% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | KMTN 240824Z AUTO 00000KT 10SM CLR M06/M10 A3035 RMK AO2 |
| 03:00 EST |  Clear | -5°C / 23°F | -9°C / 16°F | 74% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | KMTN 240800Z AUTO 00000KT 10SM CLR M05/M09 A3035 RMK AO2 |
| 02:39 EST |  Clear | -5°C / 23°F | -10°C / 14°F | 68% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | KMTN 240739Z AUTO 00000KT 10SM CLR M05/M10 A3035 RMK AO2 |
| 02:18 EST |  Clear | -5°C / 23°F | -9°C / 16°F | 74% | 1028 mb (30.36 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KMTN 240718Z AUTO 31004KT 10SM CLR M05/M09 A3035 RMK AO2 |
| 01:57 EST |  Clear | -4°C / 25°F | -9°C / 16°F | 69% | 1028 mb (30.36 in) | W 7 kph (W 4.6 mph) | - | 10SM |
| | KMTN 240657Z AUTO 28004KT 10SM CLR M04/M09 A3035 RMK AO2 |
| 01:36 EST |  Clear | -6°C / 21°F | -11°C / 12°F | 68% | 1027 mb (30.33 in) | WNW 9 kph (WNW 5.8 mph) | - | 10SM |
| | KMTN 240636Z AUTO 29005KT 10SM CLR M06/M11 A3034 RMK AO2 |
| 01:15 EST |  Clear | -3°C / 27°F | -8°C / 18°F | 69% | 1027 mb (30.33 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KMTN 240615Z AUTO 31004KT 10SM CLR M03/M08 A3033 RMK AO2 |
| 00:54 EST |  Clear | -4°C / 25°F | -9°C / 16°F | 69% | 1027 mb (30.33 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KMTN 240554Z AUTO 30004KT 10SM CLR M04/M09 A3033 RMK AO2 |
| 00:33 EST |  Clear | -3°C / 27°F | -9°C / 16°F | 64% | 1027 mb (30.33 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KMTN 240533Z AUTO 30005KT 10SM CLR M03/M09 A3032 RMK AO2 |
| 00:12 EST |  Clear | -5°C / 23°F | -9°C / 16°F | 74% | 1027 mb (30.33 in) | WNW 9 kph (WNW 5.8 mph) | - | 10SM |
| | KMTN 240512Z AUTO 29005KT 10SM CLR M05/M09 A3032 RMK AO2 |