| 13:53 PST | 
Clear | 3°C / 37°F | -4°C / 25°F | 60% | 1028 mb
(30.36 in) | Calm | - | 10SM |
| | KPSC 022153Z 00000KT 10SM CLR 03/M04 A3037
RMK AO2 SLP290 T00281039 |
| 12:53 PST |
Clear | 2°C / 36°F | -4°C / 25°F | 65% | 1029 mb
(30.39 in) | Calm | - | 10SM |
| | KPSC 022053Z 00000KT 10SM CLR 02/M04 A3038
RMK AO2 SLP292 T00221039 58010 |
| 11:53 PST |
Clear | 1°C / 34°F | -4°C / 25°F | 70% | 1029 mb
(30.39 in) | Calm | - | 10SM |
| | KPSC 021953Z 00000KT 10SM CLR 01/M04 A3039
RMK AO2 SLP297 T00061044 |
| 10:53 PST |
Clear | -1°C / 30°F | -4°C / 25°F | 80% | 1030 mb
(30.42 in) | Calm | - | 10SM |
| | KPSC 021853Z 00000KT 10SM CLR M01/M04 A3041
RMK AO2 SLP302 T10111044 |
| 09:53 PST | 
Partly Cloudy | -2°C / 28°F | -5°C / 23°F | 80% | 1030 mb
(30.42 in) | Calm | - | 10SM |
| | KPSC 021753Z 00000KT 10SM FEW002 M02/M05 A3041
RMK AO2 SLP304 T10221050 11022 21089 52013 |
| 08:53 PST |
Clear | -4°C / 25°F | -7°C / 19°F | 80% | 1029 mb
(30.39 in) | Calm | - | 10SM |
| | KPSC 021653Z 00000KT 10SM CLR M04/M07 A3039
RMK AO2 SLP298 T10391067 |
| 07:53 PST |
Clear | -8°C / 18°F | -10°C / 14°F | 86% | 1029 mb
(30.39 in) | N 7 kph
(N 4.6 mph) | - | 10SM |
| | KPSC 021553Z 35004KT 10SM CLR M08/M10 A3039
RMK AO2 SLP297 T10781100 |
| 06:53 PST | 
Clear | -9°C / 16°F | -10°C / 14°F | 93% | 1028 mb
(30.36 in) | Calm | - | 10SM |
| | KPSC 021453Z 00000KT 10SM CLR M09/M10 A3037
RMK AO2 SLP290 T10891100 50004 |
| 05:53 PST |
Clear | -7°C / 19°F | -9°C / 16°F | 86% | 1029 mb
(30.39 in) | N 6 kph
(N 3.5 mph) | - | 10SM |
| | KPSC 021353Z 36003KT 10SM CLR M07/M09 A3038
RMK AO2 SLP292 T10721089 |
| 04:53 PST |
Clear | -7°C / 19°F | -8°C / 18°F | 93% | 1028 mb
(30.36 in) | N 7 kph
(N 4.6 mph) | - | 10SM |
| | KPSC 021253Z AUTO 01004KT 10SM CLR M07/M08 A3036
RMK AO2 SLP288 T10671083 |
| 03:53 PST |
Clear | -7°C / 19°F | -8°C / 18°F | 93% | 1028 mb
(30.36 in) | NNW 7 kph
(NNW 4.6 mph) | - | 10SM |
| | KPSC 021153Z AUTO 33004KT 10SM CLR M07/M08 A3036
RMK AO2 SLP285 T10671083 11044 21078 51011 |
| 02:53 PST |
Clear | -7°C / 19°F | -8°C / 18°F | 93% | 1028 mb
(30.36 in) | NNW 6 kph
(NNW 3.5 mph) | - | 10SM |
| | KPSC 021053Z AUTO 33003KT 10SM CLR M07/M08 A3035
RMK AO2 SLP282 T10671083 |
| 01:53 PST |
Clear | -7°C / 19°F | -8°C / 18°F | 93% | 1027 mb
(30.33 in) | N 6 kph
(N 3.5 mph) | - | 10SM |
| | KPSC 020953Z AUTO 35003KT 10SM CLR M07/M08 A3034
RMK AO2 SLP277 T10671083 |
| 00:53 PST |
Clear | -6°C / 21°F | -8°C / 18°F | 86% | 1027 mb
(30.33 in) | Calm | - | 10SM |
| | KPSC 020853Z AUTO 00000KT 10SM CLR M06/M08 A3033
RMK AO2 SLP274 T10611078 50002 |
