| 11:56 PST |  Clear | 13°C / 55°F | -11°C / 12°F | 18% | 1014 mb (29.94 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | K9L2 271956Z AUTO 16003KT 10SM CLR 13/M11 A2994 RMK AO2 SLP146 T01281111 $ |
| 10:56 PST |  Clear | 9°C / 48°F | -12°C / 10°F | 21% | 1016 mb (30 in) | Calm | - | 10SM |
| | K9L2 271856Z AUTO 00000KT 10SM CLR 09/M12 A2999 RMK AO2 SLP163 T00941117 $ |
| 09:56 PST |  Clear | 6°C / 43°F | -13°C / 9°F | 24% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | K9L2 271756Z AUTO 00000KT 10SM CLR 06/M13 A3004 RMK AO2 SLP179 T00611128 10061 21044 58001 $ |
| 08:56 PST |  Clear | 2°C / 36°F | -15°C / 5°F | 27% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | K9L2 271656Z AUTO 00000KT 10SM CLR 02/M15 A3005 RMK AO2 SLP186 T00171150 FZRANO $ |
| 07:56 PST |  Clear | 1°C / 34°F | -14°C / 7°F | 32% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | K9L2 271556Z AUTO 00000KT 10SM CLR 01/M14 A3005 RMK AO2 SLP186 T00061144 FZRANO $ |
| 06:56 PST |  Clear | -2°C / 28°F | -16°C / 3°F | 34% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | K9L2 271456Z AUTO 00000KT 10SM CLR M02/M16 A3004 RMK AO2 SLP183 T10221161 56004 FZRANO $ |
| 05:56 PST |  Clear | -4°C / 25°F | -17°C / 1°F | 36% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | K9L2 271356Z AUTO 00000KT 10SM CLR M04/M17 A3004 RMK AO2 SLP185 T10391167 FZRANO $ |
| 04:56 PST |  Clear | -3°C / 27°F | -17°C / 1°F | 33% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | K9L2 271256Z AUTO 00000KT 10SM CLR M03/M17 A3004 RMK AO2 SLP180 T10331167 FZRANO $ |
| 03:56 PST |  Partly Cloudy | -3°C / 27°F | -16°C / 3°F | 36% | 1018 mb (30.06 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | K9L2 271156Z AUTO 35003KT 10SM FEW090 M03/M16 A3005 RMK AO2 SLP179 T10281161 10033 21028 56012 FZRANO $ |
| 02:56 PST |  Clear | -2°C / 28°F | -16°C / 3°F | 34% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | K9L2 271056Z AUTO 00000KT 10SM CLR M02/M16 A3006 RMK AO2 SLP180 T10221161 FZRANO $ |
| 01:56 PST |  Clear | -2°C / 28°F | -16°C / 3°F | 34% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | K9L2 270956Z AUTO 00000KT 10SM CLR M02/M16 A3008 RMK AO2 SLP187 T10171161 FZRANO $ |
| 00:56 PST |  Clear | 0°C / 32°F | -14°C / 7°F | 34% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | K9L2 270856Z AUTO 00000KT 10SM CLR 00/M14 A3009 RMK AO2 SLP191 T00001144 58004 FZRANO $ |