| 22:58 PST |  Partly Cloudy Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1033 mb (30.5 in) | Calm | - | 1 1/2SM |
| | KPSC 250658Z AUTO 00000KT 1 1/2SM BR SCT028 M06/M07 A3049 RMK AO2 |
| 22:53 PST |  Partly Cloudy Fog And Mist | -6°C / 21°F | -6°C / 21°F | 100% | 1033 mb (30.5 in) | Calm | - | 3SM |
| | KPSC 250653Z AUTO 00000KT 3SM BR SCT028 M06/M06 A3049 RMK AO2 SLP329 T10561061 |
| 22:27 PST |  Partly Cloudy | -4°C / 25°F | -6°C / 21°F | 86% | 1032 mb (30.48 in) | Calm | - | 7SM |
| | KPSC 250627Z AUTO 00000KT 7SM SCT028 M04/M06 A3048 RMK AO2 |
| 21:53 PST |  Overcast | -5°C / 23°F | -6°C / 21°F | 93% | 1033 mb (30.5 in) | Calm | - | 8SM |
| | KPSC 250553Z 00000KT 8SM OVC028 M05/M06 A3049 RMK AO2 SLP329 T10501061 10000 21061 58001 |
| 21:44 PST |  Mostly Cloudy | -6°C / 21°F | -7°C / 19°F | 93% | 1032 mb (30.48 in) | Calm | - | 8SM |
| | KPSC 250544Z 00000KT 8SM BKN028 M06/M07 A3048 RMK AO2 |
| 20:53 PST |  Clear Fog And Mist | -4°C / 25°F | -6°C / 21°F | 86% | 1032 mb (30.48 in) | Calm | - | 6SM |
| | KPSC 250453Z 00000KT 6SM BR CLR M04/M06 A3048 RMK AO2 SLP328 T10441056 |
| 19:53 PST |  Partly Cloudy | -5°C / 23°F | -6°C / 21°F | 93% | 1033 mb (30.5 in) | Calm | - | 7SM |
| | KPSC 250353Z 00000KT 7SM FEW006 M05/M06 A3049 RMK AO2 SLP332 T10501061 |
| 19:38 PST |  Partly Cloudy | -4°C / 25°F | -5°C / 23°F | 93% | 1033 mb (30.5 in) | Calm | - | 7SM |
| | KPSC 250338Z 00000KT 7SM SCT006 M04/M05 A3049 RMK AO2 |
| 18:53 PST |  Clear | -3°C / 27°F | -5°C / 23°F | 86% | 1033 mb (30.5 in) | Calm | - | 10SM |
| | KPSC 250253Z 00000KT 10SM CLR M03/M05 A3049 RMK AO2 SLP330 T10331050 55000 |
| 17:53 PST |  Clear | -3°C / 27°F | -5°C / 23°F | 86% | 1033 mb (30.5 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KPSC 250153Z 07003KT 10SM CLR M03/M05 A3049 RMK AO2 SLP329 T10281050 |
| 16:53 PST |  Clear | -2°C / 28°F | -4°C / 25°F | 86% | 1033 mb (30.5 in) | Calm | - | 10SM |
| | KPSC 250053Z 00000KT 10SM CLR M02/M04 A3049 RMK AO2 SLP329 T10171039 |
| 15:53 PST |  Clear | 0°C / 32°F | -5°C / 23°F | 69% | 1033 mb (30.5 in) | NE 7 kph (NE 4.6 mph) | - | 10SM |
| | KPSC 242353Z 03004KT 10SM CLR 00/M05 A3049 RMK AO2 SLP330 T00001050 10022 21028 56005 |
| 14:53 PST |  Clear | 2°C / 36°F | -6°C / 21°F | 56% | 1033 mb (30.5 in) | NE 7 kph (NE 4.6 mph) | - | 10SM |
| | KPSC 242253Z AUTO 03004KT 10SM CLR 02/M06 A3049 RMK AO2 SLP330 T00221056 TSNO |
| 13:53 PST |  Clear | 2°C / 36°F | -6°C / 21°F | 56% | 1033 mb (30.5 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KPSC 242153Z 36003KT 10SM CLR 02/M06 A3049 RMK AO2 SLP330 T00171061 |
| 12:53 PST |  Clear | 1°C / 34°F | -6°C / 21°F | 60% | 1033 mb (30.5 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KPSC 242053Z 30004KT 10SM CLR 01/M06 A3050 RMK AO2 SLP334 T00061061 58017 |
| 11:53 PST |  Clear | -1°C / 30°F | -6°C / 21°F | 69% | 1034 mb (30.53 in) | Calm | - | 10SM |
| | KPSC 241953Z 00000KT 10SM CLR M01/M06 A3052 RMK AO2 SLP341 T10061061 |
| 10:53 PST |  Partly Cloudy | -1°C / 30°F | -6°C / 21°F | 69% | 1034 mb (30.53 in) | Variable 6 kph (Variable 3.5 mph) | - | 10SM |
| | KPSC 241853Z VRB03KT 10SM FEW040 M01/M06 A3054 RMK AO2 SLP348 T10111061 |
| 09:53 PST |  Clear | -3°C / 27°F | -6°C / 21°F | 80% | 1035 mb (30.56 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KPSC 241753Z 31005KT 10SM CLR M03/M06 A3055 RMK AO2 SLP352 T10281061 11028 21078 53006 |
| 08:53 PST |  Clear | -4°C / 25°F | -7°C / 19°F | 80% | 1034 mb (30.53 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KPSC 241653Z 32003KT 10SM CLR M04/M07 A3054 RMK AO2 SLP348 T10441072 |
| 07:53 PST |  Clear | -6°C / 21°F | -8°C / 18°F | 86% | 1034 mb (30.53 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KPSC 241553Z 31003KT 10SM CLR M06/M08 A3053 RMK AO2 SLP344 T10611083 |
| 06:53 PST |  Partly Cloudy | -7°C / 19°F | -8°C / 18°F | 93% | 1034 mb (30.53 in) | NNW 7 kph (NNW 4.6 mph) | - | 10SM |
| | KPSC 241453Z 33004KT 10SM FEW024 M07/M08 A3053 RMK AO2 SLP345 T10671083 53007 |
| 05:53 PST |  Clear | -7°C / 19°F | -9°C / 16°F | 86% | 1034 mb (30.53 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KPSC 241353Z 30004KT 10SM CLR M07/M09 A3052 RMK AO2 SLP339 T10721094 |
| 04:53 PST |  Clear | -6°C / 21°F | -8°C / 18°F | 86% | 1033 mb (30.5 in) | NNE 9 kph (NNE 5.8 mph) | - | 10SM |
| | KPSC 241253Z AUTO 02005KT 10SM CLR M06/M08 A3051 RMK AO2 SLP337 T10611083 |
| 03:53 PST |  Clear | -7°C / 19°F | -8°C / 18°F | 93% | 1033 mb (30.5 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KPSC 241153Z AUTO 33005KT 10SM CLR M07/M08 A3051 RMK AO2 SLP337 T10671083 11044 21072 58001 |
| 02:53 PST |  Clear | -7°C / 19°F | -8°C / 18°F | 93% | 1034 mb (30.53 in) | NE 7 kph (NE 4.6 mph) | - | 10SM |
| | KPSC 241053Z AUTO 04004KT 10SM CLR M07/M08 A3052 RMK AO2 SLP339 T10671083 |
| 01:53 PST |  Clear | -7°C / 19°F | -8°C / 18°F | 93% | 1034 mb (30.53 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | KPSC 240953Z AUTO 33003KT 10SM CLR M07/M08 A3052 RMK AO2 SLP340 T10671078 |
| 00:53 PST |  Clear | -6°C / 21°F | -7°C / 19°F | 93% | 1033 mb (30.5 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | KPSC 240853Z AUTO 34003KT 10SM CLR M06/M07 A3051 RMK AO2 SLP338 T10561072 58001 |