| 09:55 PST |  Clear | -6°C / 21°F | -9°C / 16°F | 80% | 1025 mb (30.27 in) | Calm | - | 8SM |
| | KRNO 251755Z 00000KT 8SM CLR M06/M09 A3027 RMK AO2 SLP286 HZ E-S VIS LWR SE-S T10611094 11061 21117 58001 |
| 08:55 PST |  Clear | -8°C / 18°F | -11°C / 12°F | 79% | 1025 mb (30.27 in) | Calm | - | 8SM |
| | KRNO 251655Z 00000KT 8SM CLR M08/M11 A3027 RMK AO2 SLP290 BR/HZ E-S VIS LWR SE T10831106 |
| 07:55 PST |  Clear | -11°C / 12°F | -12°C / 10°F | 92% | 1025 mb (30.27 in) | Calm | - | 7SM |
| | KRNO 251555Z 00000KT 7SM CLR M11/M12 A3028 RMK AO2 SLP295 HZ DSNT ALQDS T11061117 |
| 06:55 PST |  Clear | -11°C / 12°F | -13°C / 9°F | 85% | 1025 mb (30.27 in) | Calm | - | 8SM |
| | KRNO 251455Z 00000KT 8SM CLR M11/M13 A3027 RMK AO2 SLP291 T11111128 53003 |
| 05:55 PST |  Clear Fog And Mist | -11°C / 12°F | -12°C / 10°F | 92% | 1025 mb (30.27 in) | Calm | - | 6SM |
| | KRNO 251355Z 00000KT 6SM BR CLR M11/M12 A3026 RMK AO2 SLP286 T11061122 |
| 04:55 PST |  Clear Fog And Mist | -10°C / 14°F | -12°C / 10°F | 85% | 1025 mb (30.27 in) | Calm | - | 5SM |
| | KRNO 251255Z 00000KT 5SM BR CLR M10/M12 A3026 RMK AO2 SLP283 T11001122 |
| 03:55 PST |  Clear Fog And Mist | -10°C / 14°F | -12°C / 10°F | 85% | 1025 mb (30.27 in) | Calm | - | 6SM |
| | KRNO 251155Z 00000KT 6SM BR CLR M10/M12 A3026 RMK AO2 SLP279 T11001122 11056 21106 56005 |
| 02:55 PST |  Clear | -9°C / 16°F | -11°C / 12°F | 86% | 1025 mb (30.27 in) | Calm | - | 7SM |
| | KRNO 251055Z 00000KT 7SM CLR M09/M11 A3027 RMK AO2 SLP280 T10891111 |
| 01:55 PST |  Clear | -8°C / 18°F | -11°C / 12°F | 79% | 1025 mb (30.27 in) | NW 6 kph (NW 3.5 mph) | - | 7SM |
| | KRNO 250955Z 31003KT 7SM CLR M08/M11 A3027 RMK AO2 SLP281 T10831106 |
| 00:55 PST |  Clear | -9°C / 16°F | -11°C / 12°F | 86% | 1025 mb (30.27 in) | Calm | - | 8SM |
| | KRNO 250855Z 00000KT 8SM CLR M09/M11 A3028 RMK AO2 SLP283 T10891106 58012 |