| 06:53 PST |  Clear | -7°C / 19°F | -19°C / -2°F | 38% | 1021 mb (30.15 in) | N 13 kph (N 8.1 mph) | - | 10SM |
| | KUAO 081453Z AUTO 01007KT 10SM CLR M07/M19 A3014 RMK AO2 SLP207 T10721189 53018 |
| 05:53 PST |  Clear | -7°C / 19°F | -19°C / -2°F | 38% | 1020 mb (30.12 in) | N 11 kph (N 6.9 mph) | - | 10SM |
| | KUAO 081353Z AUTO 01006KT 10SM CLR M07/M19 A3011 RMK AO2 SLP199 T10671189 |
| 04:53 PST |  Clear | -6°C / 21°F | -19°C / -2°F | 35% | 1019 mb (30.09 in) | NE 15 kph (NE 9.2 mph) | - | 10SM |
| | KUAO 081253Z AUTO 03008KT 10SM CLR M06/M19 A3009 RMK AO2 SLP192 T10611194 |
| 03:53 PST |  Clear | -7°C / 19°F | -18°C / 0°F | 42% | 1019 mb (30.09 in) | N 17 kph (N 10.4 mph) | - | 10SM |
| | KUAO 081153Z AUTO 01009KT 10SM CLR M07/M18 A3008 RMK AO2 SLP189 T10671183 11050 21072 53015 |
| 02:53 PST |  Clear | -7°C / 19°F | -18°C / 0°F | 42% | 1018 mb (30.06 in) | N 17 kph (N 10.4 mph) | - | 10SM |
| | KUAO 081053Z AUTO 01009KT 10SM CLR M07/M18 A3007 RMK AO2 SLP184 T10671183 |
| 01:53 PST |  Clear | -6°C / 21°F | -19°C / -2°F | 35% | 1017 mb (30.03 in) | NE 19 kph (NE 11.5 mph) | - | 10SM |
| | KUAO 080953Z AUTO 03010KT 10SM CLR M06/M19 A3004 RMK AO2 SLP175 T10611194 |
| 00:53 PST |  Clear | -6°C / 21°F | -19°C / -2°F | 35% | 1017 mb (30.03 in) | NNE 15 kph (NNE 9.2 mph) | - | 10SM |
| | KUAO 080853Z AUTO 02008KT 10SM CLR M06/M19 A3004 RMK AO2 SLP174 T10611189 53003 |