| 07:56 PST |  Overcast | -3°C / 27°F | -6°C / 21°F | 80% | 1025 mb (30.27 in) | SSW 9 kph (SSW 5.8 mph) | - | 9SM |
| | KLWS 051556Z 25005KT 9SM OVC022 M03/M06 A3027 RMK AO2 SLP269 T10331061 |
| 06:56 PST |  Overcast | -3°C / 27°F | -6°C / 21°F | 80% | 1025 mb (30.27 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KLWS 051456Z 25005KT 10SM OVC027 M03/M06 A3026 RMK AO2 SLP264 T10331061 53007 |
| 05:56 PST |  Overcast | -3°C / 27°F | -6°C / 21°F | 80% | 1024 mb (30.24 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KLWS 051356Z 27005KT 10SM OVC023 M03/M06 A3025 RMK AO2 SLP261 T10331061 |
| 04:56 PST |  Overcast | -3°C / 27°F | -6°C / 21°F | 80% | 1024 mb (30.24 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KLWS 051256Z AUTO 26006KT 10SM BKN018 OVC025 M03/M06 A3024 RMK AO2 SLP257 T10281056 |
| 04:18 PST |  Overcast | -3°C / 27°F | -6°C / 21°F | 80% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KLWS 051218Z AUTO 00000KT 10SM OVC016 M03/M06 A3023 RMK AO2 |
| 03:56 PST |  Overcast | -3°C / 27°F | -6°C / 21°F | 80% | 1024 mb (30.24 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KLWS 051156Z AUTO 28003KT 10SM BKN011 OVC015 M03/M06 A3023 RMK AO2 CIG 008V013 SLP256 60000 T10281056 11028 21033 51005 |
| 02:56 PST |  Overcast | -3°C / 27°F | -6°C / 21°F | 80% | 1024 mb (30.24 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KLWS 051056Z AUTO 22003KT 10SM BKN010 OVC016 M03/M06 A3023 RMK AO2 CIG 007V012 SLP254 T10281056 |
| 02:54 PST |  Overcast | -3°C / 27°F | -6°C / 21°F | 80% | 1024 mb (30.24 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KLWS 051054Z AUTO 22003KT 10SM OVC010 M03/M06 A3023 RMK AO2 CIG 007V012 |
| 01:56 PST |  Overcast | -3°C / 27°F | -6°C / 21°F | 80% | 1023 mb (30.21 in) | WNW 7 kph (WNW 4.6 mph) | - | 10SM |
| | KLWS 050956Z AUTO 29004KT 10SM BKN008 OVC011 M03/M06 A3022 RMK AO2 SLP251 T10281056 |
| 01:34 PST |  Overcast | -3°C / 27°F | -6°C / 21°F | 80% | 1023 mb (30.21 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KLWS 050934Z AUTO 30006KT 10SM BKN013 OVC018 M03/M06 A3021 RMK AO2 |
| 01:06 PST |  Overcast | -3°C / 27°F | -6°C / 21°F | 80% | 1023 mb (30.21 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KLWS 050906Z AUTO 27005KT 10SM BKN019 OVC030 M03/M06 A3020 RMK AO2 |
| 00:56 PST |  Overcast | -3°C / 27°F | -6°C / 21°F | 80% | 1023 mb (30.21 in) | W 7 kph (W 4.6 mph) | 0.00 mm (0.00 in) | 9SM |
| | KLWS 050856Z AUTO 27004KT 9SM SCT021 OVC030 M03/M06 A3020 RMK AO2 SNE09 SLP243 P0000 60000 T10331056 51013 |
| 00:09 PST |  Overcast Fog And Mist | -3°C / 27°F | -6°C / 21°F | 80% | 1022 mb (30.18 in) | W 7 kph (W 4.6 mph) | 0.00 mm (0.00 in) | 6SM |
| | KLWS 050809Z AUTO 28004KT 6SM BR SCT022 OVC034 M03/M06 A3019 RMK AO2 SNE09 P0000 |