| 05:55 PST | 
Clear | -4°C / 25°F | -8°C / 18°F | 74% | 1029 mb
(30.39 in) | Calm | - | 10SM |
| | KRNO 251355Z 00000KT 10SM CLR M04/M08 A3039
RMK AO2 SLP301 T10391078 |
| 04:55 PST |
Clear | -4°C / 25°F | -8°C / 18°F | 74% | 1029 mb
(30.39 in) | Calm | - | 10SM |
| | KRNO 251255Z 00000KT 10SM CLR M04/M08 A3039
RMK AO2 SLP299 T10391078 |
| 03:55 PST |
Clear | -2°C / 28°F | -8°C / 18°F | 64% | 1029 mb
(30.39 in) | Calm | - | 10SM |
| | KRNO 251155Z 00000KT 10SM CLR M02/M08 A3039
RMK AO2 SLP294 T10221078 10017 21033 51001 |
| 02:55 PST |
Clear | -3°C / 27°F | -7°C / 19°F | 74% | 1029 mb
(30.39 in) | Calm | - | 10SM |
| | KRNO 251055Z 00000KT 10SM CLR M03/M07 A3039
RMK AO2 SLP295 T10281072 |
| 01:55 PST |
Clear | -1°C / 30°F | -7°C / 19°F | 64% | 1029 mb
(30.39 in) | Calm | - | 10SM |
| | KRNO 250955Z 00000KT 10SM CLR M01/M07 A3039
RMK AO2 SLP294 T10111072 |
| 00:55 PST |
Clear | -1°C / 30°F | -7°C / 19°F | 64% | 1029 mb
(30.39 in) | Calm | - | 10SM |
| | KRNO 250855Z 00000KT 10SM CLR M01/M07 A3039
RMK AO2 SLP296 T10111067 50004 |
