| 13:53 PST |  Clear | -2°C / 28°F | -5°C / 23°F | 80% | 1028 mb (30.36 in) | SE 9 kph (SE 5.8 mph) | - | 10SM |
| | KPUW 242153Z AUTO 12005KT 10SM CLR M02/M05 A3037 RMK AO2 SLP317 T10171050 |
| 12:53 PST |  Clear | -2°C / 28°F | -5°C / 23°F | 80% | 1028 mb (30.36 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KPUW 242053Z AUTO 10005KT 10SM CLR M02/M05 A3037 RMK AO2 SLP318 T10171050 55012 |
| 11:53 PST |  Overcast | -2°C / 28°F | -5°C / 23°F | 80% | 1028 mb (30.36 in) | E 11 kph (E 6.9 mph) | - | 10SM |
| | KPUW 241953Z AUTO 09006KT 10SM OVC090 M02/M05 A3037 RMK AO2 SLP316 T10221050 |
| 10:53 PST |  Overcast | -3°C / 27°F | -6°C / 21°F | 80% | 1029 mb (30.39 in) | E 15 kph (E 9.2 mph) | - | 10SM |
| | KPUW 241853Z AUTO 10008KT 10SM OVC095 M03/M06 A3040 RMK AO2 SLP330 T10331056 |
| 10:11 PST |  Overcast | -3°C / 27°F | -5°C / 23°F | 86% | 1029 mb (30.39 in) | E 17 kph (E 10.4 mph) | - | 10SM |
| | KPUW 241811Z AUTO 10009KT 10SM SCT006 OVC100 M03/M05 A3040 RMK AO2 |
| 09:53 PST |  Overcast | -4°C / 25°F | -6°C / 21°F | 86% | 1030 mb (30.42 in) | E 20 kph (E 12.7 mph) | - | 10SM |
| | KPUW 241753Z AUTO 09011KT 10SM OVC095 M04/M06 A3041 RMK AO2 SLP333 T10391056 11033 21067 53001 |
| 09:29 PST |  Overcast | -3°C / 27°F | -5°C / 23°F | 86% | 1030 mb (30.42 in) | ESE 17 kph (ESE 10.4 mph) | - | 10SM |
| | KPUW 241729Z AUTO 11009KT 10SM FEW005 OVC090 M03/M05 A3041 RMK AO2 |
| 08:53 PST |  Mostly Cloudy | -4°C / 25°F | -6°C / 21°F | 86% | 1030 mb (30.42 in) | E 17 kph (E 10.4 mph) | - | 9SM |
| | KPUW 241653Z AUTO 09009KT 9SM BKN090 M04/M06 A3041 RMK AO2 SLP332 T10441061 |
| 07:53 PST |  Clear | -6°C / 21°F | -8°C / 18°F | 86% | 1029 mb (30.39 in) | E 15 kph (E 9.2 mph) | - | 10SM |
| | KPUW 241553Z AUTO 09008KT 10SM CLR M06/M08 A3040 RMK AO2 SLP333 T10611078 |
| 06:53 PST |  Clear | -6°C / 21°F | -8°C / 18°F | 86% | 1030 mb (30.42 in) | E 15 kph (E 9.2 mph) | - | 10SM |
| | KPUW 241453Z AUTO 10008KT 10SM CLR M06/M08 A3041 RMK AO2 SLP333 T10611078 53001 |
| 05:59 PST |  Partly Cloudy | -6°C / 21°F | -8°C / 18°F | 86% | 1029 mb (30.39 in) | E 11 kph (E 6.9 mph) | - | 10SM |
| | KPUW 241359Z AUTO 10006KT 10SM SCT016 M06/M08 A3040 RMK AO2 |
| 05:53 PST |  Mostly Cloudy | -6°C / 21°F | -8°C / 18°F | 86% | 1029 mb (30.39 in) | E 13 kph (E 8.1 mph) | - | 10SM |
| | KPUW 241353Z AUTO 10007KT 10SM BKN014 M06/M08 A3040 RMK AO2 SLP331 T10561078 |
| 04:53 PST |  Overcast | -6°C / 21°F | -8°C / 18°F | 86% | 1029 mb (30.39 in) | E 13 kph (E 8.1 mph) | - | 10SM |
| | KPUW 241253Z AUTO 10007KT 10SM OVC014 M06/M08 A3040 RMK AO2 SLP329 T10611083 |
| 04:31 PST |  Mostly Cloudy | -7°C / 19°F | -8°C / 18°F | 93% | 1029 mb (30.39 in) | E 13 kph (E 8.1 mph) | - | 10SM |
| | KPUW 241231Z AUTO 09007KT 10SM BKN014 M07/M08 A3040 RMK AO2 |
| 03:53 PST |  Partly Cloudy | -7°C / 19°F | -9°C / 16°F | 86% | 1029 mb (30.39 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KPUW 241153Z AUTO 08005KT 10SM FEW010 M07/M09 A3040 RMK AO2 SLP330 T10671089 11050 21083 58002 |
| 03:30 PST |  Partly Cloudy | -7°C / 19°F | -9°C / 16°F | 86% | 1030 mb (30.42 in) | ENE 9 kph (ENE 5.8 mph) | - | 10SM |
| | KPUW 241130Z AUTO 07005KT 10SM SCT010 M07/M09 A3041 RMK AO2 |
| 02:53 PST |  Overcast | -7°C / 19°F | -9°C / 16°F | 86% | 1030 mb (30.42 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KPUW 241053Z AUTO 08003KT 10SM OVC010 M07/M09 A3041 RMK AO2 SLP333 T10671089 |
| 02:40 PST |  Mostly Cloudy | -7°C / 19°F | -9°C / 16°F | 86% | 1030 mb (30.42 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KPUW 241040Z AUTO 07004KT 10SM BKN010 M07/M09 A3041 RMK AO2 |
| 01:53 PST |  Partly Cloudy | -7°C / 19°F | -9°C / 16°F | 86% | 1030 mb (30.42 in) | E 11 kph (E 6.9 mph) | - | 10SM |
| | KPUW 240953Z AUTO 10006KT 10SM FEW011 M07/M09 A3041 RMK AO2 SLP334 T10671089 |
| 00:53 PST |  Clear | -7°C / 19°F | -8°C / 18°F | 93% | 1030 mb (30.42 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KPUW 240853Z AUTO 09004KT 10SM CLR M07/M08 A3041 RMK AO2 SLP332 T10671083 56005 |
| 00:09 PST |  Partly Cloudy | -6°C / 21°F | -7°C / 19°F | 93% | 1030 mb (30.42 in) | ENE 7 kph (ENE 4.6 mph) | - | 8SM |
| | KPUW 240809Z AUTO 07004KT 8SM SCT007 M06/M07 A3041 RMK AO2 |