| 05:55 PST |  Clear | 2°C / 36°F | -4°C / 25°F | 65% | 1017 mb (30.03 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KKLS 261355Z AUTO 16006KT 10SM CLR 02/M04 A3003 RMK AO1 |
| 05:35 PST |  Clear | 2°C / 36°F | -3°C / 27°F | 70% | 1017 mb (30.03 in) | SSE 13 kph (SSE 8.1 mph) | - | 10SM |
| | KKLS 261335Z AUTO 16007KT 10SM CLR 02/M03 A3003 RMK AO1 |
| 05:15 PST |  Clear | 1°C / 34°F | -2°C / 28°F | 81% | 1017 mb (30.03 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KKLS 261315Z AUTO 16006KT 10SM CLR 01/M02 A3003 RMK AO1 |
| 04:55 PST |  Clear | -3°C / 27°F | -5°C / 23°F | 86% | 1017 mb (30.03 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KKLS 261255Z AUTO 16003KT 10SM CLR M03/M05 A3003 RMK AO1 |
| 04:35 PST |  Clear | -4°C / 25°F | -4°C / 25°F | 100% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KKLS 261235Z AUTO 00000KT 10SM CLR M04/M04 A3003 RMK AO1 |
| 04:15 PST |  Clear | -4°C / 25°F | -4°C / 25°F | 100% | 1017 mb (30.03 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KKLS 261215Z AUTO 01003KT 10SM CLR M04/M04 A3004 RMK AO1 |
| 03:55 PST |  Clear | -4°C / 25°F | -5°C / 23°F | 93% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KKLS 261155Z AUTO 00000KT 10SM CLR M04/M05 A3005 RMK AO1 11020 21040 54000 |
| 03:35 PST |  Clear | -3°C / 27°F | -5°C / 23°F | 86% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KKLS 261135Z AUTO 00000KT 10SM CLR M03/M05 A3005 RMK AO1 |
| 03:15 PST |  Clear | -3°C / 27°F | -4°C / 25°F | 93% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KKLS 261115Z AUTO 00000KT 10SM CLR M03/M04 A3005 RMK AO1 |
| 02:55 PST |  Clear | -4°C / 25°F | -5°C / 23°F | 93% | 1018 mb (30.06 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KKLS 261055Z AUTO 35003KT 10SM CLR M04/M05 A3005 RMK AO1 |
| 02:35 PST |  Clear | -3°C / 27°F | -5°C / 23°F | 86% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KKLS 261035Z AUTO 00000KT 10SM CLR M03/M05 A3005 RMK AO1 |
| 02:15 PST |  Clear | -3°C / 27°F | -4°C / 25°F | 93% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KKLS 261015Z AUTO 00000KT 10SM CLR M03/M04 A3005 RMK AO1 |
| 01:55 PST |  Clear | -3°C / 27°F | -4°C / 25°F | 93% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KKLS 260955Z AUTO 00000KT 10SM CLR M03/M04 A3005 RMK AO1 |
| 01:35 PST |  Clear | -3°C / 27°F | -3°C / 27°F | 100% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KKLS 260935Z AUTO 00000KT 10SM CLR M03/M03 A3005 RMK AO1 |
| 01:15 PST |  Clear | -3°C / 27°F | -4°C / 25°F | 93% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KKLS 260915Z AUTO 00000KT 10SM CLR M03/M04 A3005 RMK AO1 |
| 00:55 PST |  Clear | -3°C / 27°F | -4°C / 25°F | 93% | 1018 mb (30.06 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KKLS 260855Z AUTO 03003KT 10SM CLR M03/M04 A3005 RMK AO1 57010 |
| 00:35 PST |  Clear | -3°C / 27°F | -5°C / 23°F | 86% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KKLS 260835Z AUTO 00000KT 10SM CLR M03/M05 A3006 RMK AO1 |
| 00:15 PST |  Clear | -3°C / 27°F | -5°C / 23°F | 86% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KKLS 260815Z AUTO 10SM CLR M03/M05 A3006 RMK AO1 |