| 04:55 PST | 
Clear | -3°C / 27°F | -8°C / 18°F | 69% | 1025 mb
(30.27 in) | Calm | - | 10SM |
| | KRNO 261255Z 00000KT 10SM CLR M03/M08 A3026
RMK AO2 SLP249 T10331078 |
| 03:55 PST |
Clear | -3°C / 27°F | -7°C / 19°F | 74% | 1025 mb
(30.27 in) | Calm | - | 10SM |
| | KRNO 261155Z 00000KT 10SM CLR M03/M07 A3026
RMK AO2 SLP249 T10281072 10028 21028 56007 |
| 02:55 PST |
Clear | -2°C / 28°F | -7°C / 19°F | 69% | 1025 mb
(30.27 in) | Calm | - | 10SM |
| | KRNO 261055Z 00000KT 10SM CLR M02/M07 A3027
RMK AO2 SLP246 T10171072 |
| 01:55 PST |
Clear | -1°C / 30°F | -7°C / 19°F | 64% | 1025 mb
(30.27 in) | Calm | - | 10SM |
| | KRNO 260955Z 00000KT 10SM CLR M01/M07 A3028
RMK AO2 SLP251 T10061072 |
| 00:55 PST |
Clear | -1°C / 30°F | -7°C / 19°F | 64% | 1026 mb
(30.3 in) | Calm | - | 10SM |
| | KRNO 260855Z 00000KT 10SM CLR M01/M07 A3029
RMK AO2 SLP256 T10061072 58008 |
