| 10:55 PST |  Mostly Cloudy | -4°C / 25°F | -9°C / 16°F | 69% | 1019 mb (30.09 in) | Calm | - | 9SM |
| | KRNO 261855Z 00000KT 9SM FEW200 BKN250 M04/M09 A3010 RMK AO2 SLP225 HZ ALQDS VIS LWR S T10441089 |
| 09:55 PST |  Overcast | -6°C / 21°F | -9°C / 16°F | 80% | 1020 mb (30.12 in) | Calm | - | 7SM |
| | KRNO 261755Z 00000KT 7SM FEW200 OVC250 M06/M09 A3012 RMK AO2 SLP233 HZ ALQDS VIS LWR SE T10611094 11061 21117 51010 |
| 08:55 PST |  Mostly Cloudy Hazy | -8°C / 18°F | -11°C / 12°F | 79% | 1020 mb (30.12 in) | Calm | - | 6SM |
| | KRNO 261655Z 00000KT 6SM HZ BR FEW200 BKN250 M08/M11 A3011 RMK AO2 SLP229 VIS LWR E-S T10781106 |
| 07:55 PST |  Partly Cloudy Fog And Mist | -11°C / 12°F | -12°C / 10°F | 92% | 1019 mb (30.09 in) | Calm | - | 6SM |
| | KRNO 261555Z 00000KT 6SM BR SCT140 SCT200 M11/M12 A3009 RMK AO2 SLP231 T11061122 |
| 06:55 PST |  Partly Cloudy | -10°C / 14°F | -12°C / 10°F | 85% | 1019 mb (30.09 in) | Calm | - | 7SM |
| | KRNO 261455Z 00000KT 7SM SCT140 M10/M12 A3008 RMK AO2 SLP224 T11001117 55005 |
| 05:55 PST |  Partly Cloudy | -9°C / 16°F | -12°C / 10°F | 79% | 1019 mb (30.09 in) | Calm | - | 7SM |
| | KRNO 261355Z 00000KT 7SM FEW140 M09/M12 A3008 RMK AO2 SLP221 T10941122 |
| 04:55 PST |  Clear | -9°C / 16°F | -11°C / 12°F | 86% | 1019 mb (30.09 in) | Calm | - | 8SM |
| | KRNO 261255Z 00000KT 8SM CLR M09/M11 A3008 RMK AO2 SLP216 T10891111 |
| 03:55 PST |  Clear | -9°C / 16°F | -12°C / 10°F | 79% | 1019 mb (30.09 in) | Calm | - | 7SM |
| | KRNO 261155Z 00000KT 7SM CLR M09/M12 A3010 RMK AO2 SLP219 T10941122 11056 21100 56004 |
| 02:55 PST |  Clear | -9°C / 16°F | -11°C / 12°F | 86% | 1020 mb (30.12 in) | SSE 6 kph (SSE 3.5 mph) | - | 7SM |
| | KRNO 261055Z 16003KT 7SM CLR M09/M11 A3011 RMK AO2 SLP224 T10941111 |
| 01:55 PST |  Clear Fog And Mist | -9°C / 16°F | -11°C / 12°F | 86% | 1020 mb (30.12 in) | Calm | - | 6SM |
| | KRNO 260955Z 00000KT 6SM BR CLR M09/M11 A3011 RMK AO2 SLP221 T10891111 |
| 00:55 PST |  Clear | -8°C / 18°F | -11°C / 12°F | 79% | 1020 mb (30.12 in) | Calm | - | 8SM |
| | KRNO 260855Z 00000KT 8SM CLR M08/M11 A3011 RMK AO2 SLP226 T10831111 58004 |