| 04:53 PST |  Clear Fog And Mist | -4°C / 25°F | -6°C / 21°F | 86% | 1016 mb (30 in) | Calm | - | 4SM |
| | KSHN 261253Z AUTO 00000KT 4SM BR CLR M04/M06 A3001 RMK AO2 SLP169 T10441056 FZRANO |
| 04:33 PST |  Clear Fog And Mist | -4°C / 25°F | -5°C / 23°F | 93% | 1016 mb (30 in) | Calm | - | 1 3/4SM |
| | KSHN 261233Z AUTO 00000KT 1 3/4SM BR CLR M04/M05 A3001 RMK AO2 FZRANO |
| 04:30 PST |  Clear Fog And Mist | -4°C / 25°F | -4°C / 25°F | 100% | 1016 mb (30 in) | Calm | - | 5SM |
| | KSHN 261230Z AUTO 00000KT 5SM BR CLR M04/M04 A3001 RMK AO2 FZRANO |
| 04:23 PST |  Clear Fog And Mist | -4°C / 25°F | -4°C / 25°F | 100% | 1016 mb (30 in) | Calm | - | 2 1/2SM |
| | KSHN 261223Z AUTO 00000KT 2 1/2SM BR CLR M04/M04 A3001 RMK AO2 FZRANO |
| 03:53 PST |  Clear | -3°C / 27°F | -4°C / 25°F | 93% | 1017 mb (30.03 in) | Calm | - | 8SM |
| | KSHN 261153Z AUTO 00000KT 8SM CLR M03/M04 A3002 RMK AO2 SLP173 70001 T10331044 11006 21044 56005 FZRANO |
| 02:53 PST |  Clear | -4°C / 25°F | -4°C / 25°F | 100% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KSHN 261053Z AUTO 00000KT 10SM CLR M04/M04 A3003 RMK AO2 SLP174 T10391044 FZRANO |
| 01:53 PST |  Clear | -4°C / 25°F | -5°C / 23°F | 93% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KSHN 260953Z AUTO 00000KT 10SM CLR M04/M05 A3003 RMK AO2 SLP174 T10391050 FZRANO |
| 00:53 PST |  Clear | -4°C / 25°F | -5°C / 23°F | 93% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KSHN 260853Z AUTO 00000KT 10SM CLR M04/M05 A3004 RMK AO2 SLP178 T10391050 58007 FZRANO |
| 00:39 PST |  Clear Fog And Mist | -4°C / 25°F | -4°C / 25°F | 100% | 1017 mb (30.03 in) | Calm | - | 4SM |
| | KSHN 260839Z AUTO 00000KT 4SM BR CLR M04/M04 A3004 RMK AO2 FZRANO |
| 00:19 PST |  Clear Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1017 mb (30.03 in) | Calm | - | 1 1/2SM |
| | KSHN 260819Z AUTO 00000KT 1 1/2SM BR CLR M03/M04 A3004 RMK AO2 FZRANO |