| 07:55 PST |  Mostly Cloudy | -5°C / 23°F | -5°C / 23°F | 100% | 1024 mb (30.24 in) | Calm | - | 3/4SM |
| | KAWO 251555Z AUTO 00000KT 3/4SM BKN002 M05/M05 A3024 RMK AO1 |
| 07:35 PST |  Clear | -6°C / 21°F | -6°C / 21°F | 100% | 1024 mb (30.24 in) | Calm | - | 1 1/4SM |
| | KAWO 251535Z AUTO 00000KT 1 1/4SM CLR M06/M06 A3024 RMK AO1 |
| 06:55 PST |  Clear | -5°C / 23°F | -6°C / 21°F | 93% | 1024 mb (30.24 in) | Calm | - | 5SM |
| | KAWO 251455Z AUTO 00000KT 5SM CLR M05/M06 A3024 RMK AO1 57007 |
| 06:35 PST |  Obscured | -5°C / 23°F | -5°C / 23°F | 100% | 1024 mb (30.24 in) | Calm | - | 1/2SM |
| | KAWO 251435Z AUTO 00000KT 1/2SM VV005 M05/M05 A3025 RMK AO1 |
| 06:15 PST |  Clear | -5°C / 23°F | -6°C / 21°F | 93% | 1024 mb (30.24 in) | Calm | - | 7SM |
| | KAWO 251415Z AUTO 00000KT 7SM CLR M05/M06 A3025 RMK AO1 |
| 05:55 PST |  Clear | -5°C / 23°F | -6°C / 21°F | 93% | 1024 mb (30.24 in) | Calm | - | 1SM |
| | KAWO 251355Z AUTO 00000KT 1SM CLR M05/M06 A3025 RMK AO1 |
| 05:35 PST |  Mostly Cloudy | -4°C / 25°F | -6°C / 21°F | 86% | 1024 mb (30.24 in) | Calm | - | 1/2SM |
| | KAWO 251335Z AUTO 00000KT 1/2SM BKN002 M04/M06 A3025 RMK AO1 |
| 05:15 PST |  Mostly Cloudy | -6°C / 21°F | -6°C / 21°F | 100% | 1024 mb (30.24 in) | Calm | - | 1/2SM |
| | KAWO 251315Z AUTO 00000KT 1/2SM BKN002 M06/M06 A3025 RMK AO1 |
| 04:55 PST |  Mostly Cloudy | -4°C / 25°F | -4°C / 25°F | 100% | 1024 mb (30.24 in) | Calm | - | 1/2SM |
| | KAWO 251255Z AUTO 00000KT 1/2SM BKN001 M04/M04 A3025 RMK AO1 |
| 04:35 PST |  Overcast | -4°C / 25°F | -5°C / 23°F | 93% | 1025 mb (30.27 in) | Calm | - | 1/2SM |
| | KAWO 251235Z AUTO 00000KT 1/2SM OVC001 M04/M05 A3026 RMK AO1 |
| 04:15 PST |  Clear | -4°C / 25°F | -5°C / 23°F | 93% | 1025 mb (30.27 in) | Calm | - | 4SM |
| | KAWO 251215Z AUTO 00000KT 4SM CLR M04/M05 A3026 RMK AO1 |
| 03:55 PST |  Mostly Cloudy | -4°C / 25°F | -5°C / 23°F | 93% | 1025 mb (30.27 in) | Calm | - | 1/2SM |
| | KAWO 251155Z AUTO 00000KT 1/2SM BKN001 M04/M05 A3026 RMK AO1 11020 21050 54000 |
| 03:35 PST |  Mostly Cloudy | -4°C / 25°F | -5°C / 23°F | 93% | 1025 mb (30.27 in) | Calm | - | 3/4SM |
| | KAWO 251135Z AUTO 00000KT 3/4SM BKN001 M04/M05 A3027 RMK AO1 |
| 03:15 PST |  Mostly Cloudy | -4°C / 25°F | -5°C / 23°F | 93% | 1025 mb (30.27 in) | Calm | - | 1SM |
| | KAWO 251115Z AUTO 00000KT 1SM BKN002 M04/M05 A3027 RMK AO1 |
| 02:55 PST |  Overcast | -4°C / 25°F | -4°C / 25°F | 100% | 1025 mb (30.27 in) | Calm | - | 4SM |
| | KAWO 251055Z AUTO 00000KT 4SM OVC002 M04/M04 A3027 RMK AO1 |
| 02:35 PST |  Overcast | -3°C / 27°F | -3°C / 27°F | 100% | 1025 mb (30.27 in) | Calm | - | 4SM |
| | KAWO 251035Z AUTO 00000KT 4SM OVC002 M03/M03 A3027 RMK AO1 |
| 02:15 PST |  Mostly Cloudy | -4°C / 25°F | -4°C / 25°F | 100% | 1025 mb (30.27 in) | Calm | - | 5SM |
| | KAWO 251015Z AUTO 00000KT 5SM BKN002 M04/M04 A3027 RMK AO1 |
| 01:55 PST |  Mostly Cloudy | -4°C / 25°F | -5°C / 23°F | 93% | 1025 mb (30.27 in) | Calm | - | 8SM |
| | KAWO 250955Z AUTO 00000KT 8SM BKN002 M04/M05 A3027 RMK AO1 |
| 01:35 PST |  Partly Cloudy | -5°C / 23°F | -6°C / 21°F | 93% | 1025 mb (30.27 in) | Calm | - | 1/2SM |
| | KAWO 250935Z AUTO 00000KT 1/2SM SCT002 M05/M06 A3026 RMK AO1 |
| 01:15 PST |  Obscured | -4°C / 25°F | -4°C / 25°F | 100% | 1025 mb (30.27 in) | Calm | - | 1/2SM |
| | KAWO 250915Z AUTO 00000KT 1/2SM VV005 M04/M04 A3026 RMK AO1 |
| 00:55 PST |  Clear | -4°C / 25°F | -6°C / 21°F | 86% | 1025 mb (30.27 in) | Calm | - | 5SM |
| | KAWO 250855Z AUTO 00000KT 5SM CLR M04/M06 A3026 RMK AO1 57010 |
| 00:35 PST |  Mostly Cloudy | -4°C / 25°F | -4°C / 25°F | 100% | 1025 mb (30.27 in) | Calm | - | 3/4SM |
| | KAWO 250835Z AUTO 00000KT 3/4SM BKN002 M04/M04 A3027 RMK AO1 |
| 00:15 PST |  Mostly Cloudy | -4°C / 25°F | -5°C / 23°F | 93% | 1025 mb (30.27 in) | Calm | - | 1SM |
| | KAWO 250815Z AUTO 00000KT 1SM BKN001 M04/M05 A3028 RMK AO1 |