| 07:35 PST |  Overcast | 1°C / 34°F | 0°C / 32°F | 93% | 1018 mb (30.06 in) | Calm | - | 9SM |
| | KAWO 221535Z AUTO 00000KT 9SM SCT032 OVC040 01/00 A3007 RMK AO1 |
| 07:15 PST |  Overcast | 1°C / 34°F | 0°C / 32°F | 93% | 1018 mb (30.06 in) | Calm | - | 9SM |
| | KAWO 221515Z AUTO 00000KT 9SM OVC032 01/00 A3006 RMK AO1 |
| 06:55 PST |  Overcast | 1°C / 34°F | 0°C / 32°F | 93% | 1018 mb (30.06 in) | Calm | - | 9SM |
| | KAWO 221455Z AUTO 00000KT 9SM OVC030 01/00 A3005 RMK AO1 52034 |
| 06:35 PST |  Overcast | 1°C / 34°F | 0°C / 32°F | 93% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KAWO 221435Z AUTO 00000KT 10SM OVC032 01/00 A3004 RMK AO1 |
| 06:15 PST |  Overcast | 1°C / 34°F | 1°C / 34°F | 100% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KAWO 221415Z AUTO 00000KT 10SM FEW019 OVC032 01/01 A3002 RMK AO1 |
| 05:55 PST |  Overcast | 1°C / 34°F | 1°C / 34°F | 100% | 1017 mb (30.03 in) | Calm | - | 6SM |
| | KAWO 221355Z AUTO 00000KT 6SM BKN017 OVC030 01/01 A3002 RMK AO1 |
| 05:35 PST |  Overcast | 1°C / 34°F | 1°C / 34°F | 100% | 1016 mb (30 in) | Calm | - | 8SM |
| | KAWO 221335Z AUTO 00000KT 8SM FEW003 OVC017 01/01 A3000 RMK AO1 |
| 05:15 PST |  Overcast | 1°C / 34°F | 1°C / 34°F | 100% | 1016 mb (30 in) | Calm | - | 8SM |
| | KAWO 221315Z AUTO 00000KT 8SM OVC017 01/01 A3000 RMK AO1 |
| 04:55 PST |  Overcast | 1°C / 34°F | 1°C / 34°F | 100% | 1016 mb (30 in) | N 6 kph (N 3.5 mph) | - | 1 1/4SM |
| | KAWO 221255Z AUTO 01003KT 1 1/4SM SCT002 OVC017 01/01 A2999 RMK AO1 |
| 04:35 PST |  Overcast | -1°C / 30°F | -1°C / 30°F | 100% | 1015 mb (29.97 in) | Calm | - | 1SM |
| | KAWO 221235Z AUTO 00000KT 1SM OVC017 M01/M01 A2998 RMK AO1 |
| 04:15 PST |  Overcast | 0°C / 32°F | 0°C / 32°F | 100% | 1015 mb (29.97 in) | Calm | - | 5SM |
| | KAWO 221215Z AUTO 00000KT 5SM OVC120 00/00 A2996 RMK AO1 |
| 03:55 PST |  Mostly Cloudy | 1°C / 34°F | 0°C / 32°F | 93% | 1014 mb (29.94 in) | Calm | - | 10SM |
| | KAWO 221155Z AUTO 00000KT 10SM BKN120 01/00 A2995 RMK AO1 60004 70097 10020 20000 52020 |
| 03:35 PST |  Partly Cloudy | 1°C / 34°F | 1°C / 34°F | 100% | 1014 mb (29.94 in) | Calm | - | 10SM |
| | KAWO 221135Z AUTO 00000KT 10SM FEW017 01/01 A2995 RMK AO1 |
| 03:15 PST |  Mostly Cloudy | 1°C / 34°F | 0°C / 32°F | 93% | 1014 mb (29.94 in) | Calm | - | 10SM |
| | KAWO 221115Z AUTO 00000KT 10SM BKN017 BKN023 01/00 A2994 RMK AO1 |
| 02:55 PST |  Overcast | 2°C / 36°F | 1°C / 34°F | 93% | 1014 mb (29.94 in) | Calm | - | 10SM |
| | KAWO 221055Z AUTO 00000KT 10SM BKN017 OVC024 02/01 A2994 RMK AO1 |
| 02:35 PST |  Overcast | 2°C / 36°F | 2°C / 36°F | 100% | 1014 mb (29.94 in) | Calm | - | 10SM |
| | KAWO 221035Z AUTO 00000KT 10SM OVC017 02/02 A2993 RMK AO1 |
| 02:15 PST |  Overcast | 2°C / 36°F | 1°C / 34°F | 93% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | KAWO 221015Z AUTO 00000KT 10SM BKN019 OVC026 02/01 A2992 RMK AO1 |
| 01:55 PST |  Overcast | 1°C / 34°F | 1°C / 34°F | 100% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | KAWO 220955Z AUTO 00000KT 10SM BKN019 OVC028 01/01 A2991 RMK AO1 |
| 01:35 PST |  Overcast | 1°C / 34°F | 0°C / 32°F | 93% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | KAWO 220935Z AUTO 00000KT 10SM FEW014 BKN020 OVC025 01/00 A2990 RMK AO1 |
| 01:15 PST |  Overcast | 1°C / 34°F | 1°C / 34°F | 100% | 1012 mb (29.88 in) | Calm | - | 10SM |
| | KAWO 220915Z AUTO 00000KT 10SM SCT010 OVC018 01/01 A2989 RMK AO1 |
| 00:55 PST |  Overcast | 1°C / 34°F | 1°C / 34°F | 100% | 1012 mb (29.88 in) | Calm | 0.25 mm (0.01 in) | 10SM |
| | KAWO 220855Z AUTO 00000KT 10SM OVC010 01/01 A2989 RMK AO1 P0001 60004 52020 |
| 00:35 PST |  Overcast | 1°C / 34°F | 0°C / 32°F | 93% | 1012 mb (29.88 in) | Calm | 0.25 mm (0.01 in) | 10SM |
| | KAWO 220835Z AUTO 00000KT 10SM OVC010 01/00 A2988 RMK AO1 P0001 |
| 00:15 PST |  Overcast | 1°C / 34°F | 1°C / 34°F | 100% | 1012 mb (29.88 in) | Calm | 0.25 mm (0.01 in) | 10SM |
| | KAWO 220815Z AUTO 00000KT 10SM OVC010 01/01 A2987 RMK AO1 P0001 |