| 22:55 PST |  Partly Cloudy Hazy | -14°C / 7°F | -17°C / 1°F | 78% | 1019 mb (30.09 in) | Calm | - | 6SM |
| | KRNO 100655Z 00000KT 6SM HZ SCT200 M14/M17 A3008 RMK AO2 SLP249 T11391167 |
| 21:55 PST |  Partly Cloudy Fog And Mist | -15°C / 5°F | -17°C / 1°F | 85% | 1019 mb (30.09 in) | Calm | - | 5SM |
| | KRNO 100555Z 00000KT 5SM BR SCT200 M15/M17 A3008 RMK AO2 SLP255 T11501172 11083 21172 51007 |
| 20:55 PST |  Clear | -17°C / 1°F | -18°C / 0°F | 92% | 1018 mb (30.06 in) | SSE 6 kph (SSE 3.5 mph) | - | 7SM |
| | KRNO 100455Z 16003KT 7SM CLR M17/M18 A3007 RMK AO2 SLP261 T11671183 |
| 19:55 PST |  Clear | -13°C / 9°F | -16°C / 3°F | 78% | 1018 mb (30.06 in) | Calm | - | 8SM |
| | KRNO 100355Z 00000KT 8SM CLR M13/M16 A3007 RMK AO2 SLP258 HZ ALQDS T11281156 |
| 18:55 PST |  Clear | -13°C / 9°F | -16°C / 3°F | 78% | 1018 mb (30.06 in) | Calm | - | 8SM |
| | KRNO 100255Z 00000KT 8SM CLR M13/M16 A3005 RMK AO2 SLP249 HZ ALQDS T11281156 53005 |
| 17:55 PST |  Partly Cloudy | -11°C / 12°F | -14°C / 7°F | 79% | 1017 mb (30.03 in) | Calm | - | 9SM |
| | KRNO 100155Z 00000KT 9SM FEW200 M11/M14 A3004 RMK AO2 SLP243 HZ ALQDS T11111139 |
| 16:55 PST |  Partly Cloudy | -10°C / 14°F | -14°C / 7°F | 73% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KRNO 100055Z 00000KT 10SM FEW200 M10/M14 A3004 RMK AO2 SLP240 HZ ALQDS T11001144 |
| 15:55 PST |  Partly Cloudy | -8°C / 18°F | -14°C / 7°F | 62% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KRNO 092355Z 00000KT 10SM FEW200 M08/M14 A3004 RMK AO2 SLP231 HZ ALQDS 60000 T10831139 11072 21156 57008 |
| 14:55 PST |  Partly Cloudy | -8°C / 18°F | -14°C / 7°F | 62% | 1018 mb (30.06 in) | ESE 6 kph (ESE 3.5 mph) | - | 10SM |
| | KRNO 092255Z 11003KT 10SM FEW200 M08/M14 A3005 RMK AO2 SLP237 HZ ALQDS T10831144 |
| 13:55 PST |  Partly Cloudy | -8°C / 18°F | -14°C / 7°F | 62% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KRNO 092155Z 00000KT 10SM FEW200 M08/M14 A3005 RMK AO2 SLP239 HZ ALQDS T10831144 $ |
| 12:55 PST |  Partly Cloudy | -11°C / 12°F | -15°C / 5°F | 73% | 1018 mb (30.06 in) | Calm | 0.00 mm (0.00 in) | 8SM |
| | KRNO 092055Z 00000KT 8SM FEW180 M11/M15 A3006 RMK AO2 SNB09E12 SLP245 HZ ALQDS P0000 60000 T11061150 56016 $ |
| 11:55 PST |  Partly Cloudy Fog And Mist | -11°C / 12°F | -15°C / 5°F | 73% | 1018 mb (30.06 in) | Calm | - | 6SM |
| | KRNO 091955Z 00000KT 6SM BR HZ FEW180 M11/M15 A3007 RMK AO2 SLP247 T11061150 $ |
| 10:55 PST |  Partly Cloudy Fog And Mist | -13°C / 9°F | -17°C / 1°F | 72% | 1019 mb (30.09 in) | SE 7 kph (SE 4.6 mph) | 0.00 mm (0.00 in) | 6SM |
| | KRNO 091855Z 13004KT 6SM BR HZ FEW160 M13/M17 A3010 RMK AO2 SNB47E50 SLP263 P0000 T11331167 $ |
| 09:55 PST |  Partly Cloudy Fog And Mist | -16°C / 3°F | -17°C / 1°F | 92% | 1020 mb (30.12 in) | Calm | - | 4SM |
| | KRNO 091755Z 00000KT 4SM BR FEW002 SCT160 M16/M17 A3012 RMK AO2 SLP271 T11561167 11156 21211 53003 $ |
| 09:28 PST |  Partly Cloudy Fog And Mist | -16°C / 3°F | -18°C / 0°F | 85% | 1020 mb (30.12 in) | Calm | - | 4SM |
| | KRNO 091728Z 00000KT 4SM BR FEW002 SCT160 M16/M18 A3012 RMK AO2 $ |
| 08:55 PST |  Partly Cloudy Fog And Mist | -17°C / 1°F | -17°C / 1°F | 100% | 1020 mb (30.12 in) | Calm | - | 3SM |
| | KRNO 091655Z 00000KT 3SM BR FEW003 SCT180 M17/M17 A3012 RMK AO2 SLP271 T11671172 $ |
| 08:51 PST |  Partly Cloudy Fog And Mist | -16°C / 3°F | -17°C / 1°F | 92% | 1020 mb (30.12 in) | Calm | - | 3SM |
| | KRNO 091651Z 00000KT 3SM BR FEW003 SCT180 M16/M17 A3012 RMK AO2 VIS E 1 1/2 $ |
| 08:38 PST |  Partly Cloudy Fog And Mist | -17°C / 1°F | -19°C / -2°F | 85% | 1020 mb (30.12 in) | Calm | - | 2SM |
| | KRNO 091638Z 00000KT 2SM BR SCT003 SCT180 M17/M19 A3011 RMK AO2 VIS E 1 1/2 $ |
| 08:18 PST |  Partly Cloudy Fog And Mist | -18°C / 0°F | -19°C / -2°F | 92% | 1019 mb (30.09 in) | Calm | - | 1SM |
| | KRNO 091618Z 00000KT 1SM BR SCT001 SCT010 M18/M19 A3010 RMK AO2 $ |
| 08:13 PST |  Partly Cloudy Fog And Mist | -19°C / -2°F | -20°C / -4°F | 92% | 1019 mb (30.09 in) | Calm | - | 3SM |
| | KRNO 091613Z 00000KT 3SM BR SCT001 SCT010 M19/M20 A3010 RMK AO2 TWR VIS 5 VIS N 1/2 E 1 $ |
| 07:55 PST |  Partly Cloudy Fog | -20°C / -4°F | -21°C / -6°F | 92% | 1019 mb (30.09 in) | Calm | - | 1/4SM |
| | KRNO 091555Z 00000KT 1/4SM FZFG SCT001 SCT010 M20/M21 A3010 RMK AO2 VIS M1/4V2 1/2 SLP272 VCFG ALQDS T12001211 $ |
| 07:40 PST |  Partly Cloudy Fog | -19°C / -2°F | -22°C / -8°F | 77% | 1019 mb (30.09 in) | Calm | - | 2SM |
| | KRNO 091540Z 00000KT 2SM FZFG SCT001 SCT010 M19/M22 A3010 RMK AO2 VIS LWR N-E-S VCFG ALQDS |
| 06:55 PST |  Partly Cloudy Fog And Mist | -19°C / -2°F | -22°C / -8°F | 77% | 1020 mb (30.12 in) | Calm | - | 6SM |
| | KRNO 091455Z 00000KT 6SM BR SCT002 SCT010 SCT090 M19/M22 A3011 RMK AO2 SLP269 VIS LWR N-NE-E VCFG ALQDS T11891217 50000 |
| 05:55 PST |  Partly Cloudy Fog And Mist | -19°C / -2°F | -22°C / -8°F | 77% | 1020 mb (30.12 in) | Calm | - | 5SM |
| | KRNO 091355Z 00000KT 5SM BR SCT002 SCT010 M19/M22 A3012 RMK AO2 SLP270 VCFG ALQDS T11891217 |
| 04:55 PST |  Partly Cloudy Fog And Mist | -20°C / -4°F | -22°C / -8°F | 84% | 1020 mb (30.12 in) | SSE 6 kph (SSE 3.5 mph) | - | 5SM |
| | KRNO 091255Z 16003KT 5SM BR FEW002 SCT010 M20/M22 A3012 RMK AO2 SLP269 VCFG ALQDS T12001217 |
| 03:55 PST |  Partly Cloudy Fog And Mist | -18°C / 0°F | -20°C / -4°F | 84% | 1019 mb (30.09 in) | Calm | - | 4SM |
| | KRNO 091155Z 00000KT 4SM BR FEW002 SCT010 M18/M20 A3010 RMK AO2 SLP258 VCFG ALQDS T11781200 11156 21189 53009 |
| 02:55 PST |  Partly Cloudy Fog And Mist | -18°C / 0°F | -21°C / -6°F | 78% | 1019 mb (30.09 in) | Calm | - | 5SM |
| | KRNO 091055Z 00000KT 5SM BR SCT002 M18/M21 A3009 RMK AO2 SLP249 VCFG ALQDS T11831206 |
| 01:55 PST |  Partly Cloudy Fog And Mist | -18°C / 0°F | -20°C / -4°F | 84% | 1019 mb (30.09 in) | Calm | - | 6SM |
| | KRNO 090955Z 00000KT 6SM BR FEW004 M18/M20 A3008 RMK AO2 SLP251 VCFG N-NE-E T11831200 |
| 00:55 PST |  Clear Fog And Mist | -18°C / 0°F | -19°C / -2°F | 92% | 1018 mb (30.06 in) | Calm | - | 5SM |
| | KRNO 090855Z 00000KT 5SM BR CLR M18/M19 A3007 RMK AO2 SLP249 T11781194 51001 |