| 08:55 PST |  Overcast Hazy | -6°C / 21°F | -8°C / 18°F | 86% | 1015 mb (29.97 in) | Calm | - | 5SM |
| | KRNO 111655Z 00000KT 5SM HZ BR FEW022 BKN030 OVC060 M06/M08 A2996 RMK AO2 SLP185 T10561083 |
| 07:58 PST |  Overcast Hazy | -6°C / 21°F | -9°C / 16°F | 80% | 1014 mb (29.94 in) | Calm | - | 4SM |
| | KRNO 111558Z 00000KT 4SM HZ BR SCT010 BKN055 OVC065 M06/M09 A2994 RMK AO2 |
| 07:55 PST |  Overcast Hazy | -6°C / 21°F | -9°C / 16°F | 80% | 1014 mb (29.94 in) | Calm | 0.00 mm (0.00 in) | 3SM |
| | KRNO 111555Z 00000KT 3SM HZ BR SCT010 BKN055 OVC075 M06/M09 A2994 RMK AO2 TWR VIS 5 SNE17 SLP178 P0000 T10611089 |
| 07:17 PST |  Overcast Hazy | -7°C / 19°F | -9°C / 16°F | 86% | 1014 mb (29.94 in) | Calm | 0.00 mm (0.00 in) | 3SM |
| | KRNO 111517Z 00000KT 3SM HZ SCT010 BKN045 OVC075 M07/M09 A2994 RMK AO2 SNE17 P0000 |
| 06:55 PST |  Overcast Light Snow | -7°C / 19°F | -9°C / 16°F | 86% | 1014 mb (29.94 in) | Calm | 0.00 mm (0.00 in) | 2 1/2SM |
| | KRNO 111455Z 00000KT 2 1/2SM -SN BR SCT025 BKN055 OVC080 M07/M09 A2995 RMK AO2 SNB41 SLP179 P0000 60000 T10671094 56005 |
| 05:55 PST |  Overcast Fog And Mist | -7°C / 19°F | -9°C / 16°F | 86% | 1014 mb (29.94 in) | Calm | 0.00 mm (0.00 in) | 5SM |
| | KRNO 111355Z 00000KT 5SM BR SCT035 BKN060 OVC090 M07/M09 A2995 RMK AO2 SNE37 SLP180 P0000 T10721094 |
| 05:40 PST |  Overcast Fog And Mist | -7°C / 19°F | -9°C / 16°F | 86% | 1014 mb (29.94 in) | Calm | 0.00 mm (0.00 in) | 4SM |
| | KRNO 111340Z 00000KT 4SM BR SCT035 BKN060 OVC090 M07/M09 A2995 RMK AO2 SNE37 P0000 |
| 05:23 PST |  Overcast Light Snow | -7°C / 19°F | -10°C / 14°F | 79% | 1014 mb (29.94 in) | Calm | 0.00 mm (0.00 in) | 2 1/2SM |
| | KRNO 111323Z 00000KT 2 1/2SM -SN BKN035 OVC060 M07/M10 A2995 RMK AO2 P0000 |
| 04:55 PST |  Overcast Light Snow | -7°C / 19°F | -10°C / 14°F | 79% | 1014 mb (29.94 in) | Calm | 0.00 mm (0.00 in) | 4SM |
| | KRNO 111255Z 00000KT 4SM -SN BR SCT025 BKN055 OVC080 M07/M10 A2995 RMK AO2 SNE34B50 SLP179 P0000 T10721100 |
| 04:46 PST |  Overcast Fog And Mist | -7°C / 19°F | -10°C / 14°F | 79% | 1015 mb (29.97 in) | Calm | 0.00 mm (0.00 in) | 4SM |
| | KRNO 111246Z 00000KT 4SM BR SCT025 BKN055 OVC080 M07/M10 A2996 RMK AO2 SNE34 P0000 |
| 03:55 PST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1015 mb (29.97 in) | Calm | 0.00 mm (0.00 in) | 3SM |
| | KRNO 111155Z 00000KT 3SM -SN BKN020 OVC060 M08/M11 A2996 RMK AO2 SNB33 SLP183 P0000 60000 T10781106 11072 21094 58004 |
| 03:41 PST |  Overcast Light Snow | -8°C / 18°F | -10°C / 14°F | 86% | 1015 mb (29.97 in) | Calm | 0.00 mm (0.00 in) | 3SM |
| | KRNO 111141Z 00000KT 3SM -SN BR BKN020 OVC060 M08/M10 A2997 RMK AO2 SNB33 P0000 |
| 02:55 PST |  Overcast Fog And Mist | -8°C / 18°F | -11°C / 12°F | 79% | 1015 mb (29.97 in) | Calm | 0.00 mm (0.00 in) | 5SM |
| | KRNO 111055Z 00000KT 5SM BR FEW030 BKN060 OVC090 M08/M11 A2997 RMK AO2 SNE52 SLP186 P0000 T10781106 |
| 02:40 PST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1015 mb (29.97 in) | Calm | 0.00 mm (0.00 in) | 5SM |
| | KRNO 111040Z 00000KT 5SM -SN FEW030 BKN060 OVC090 M08/M11 A2998 RMK AO2 P0000 |
| 02:29 PST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1015 mb (29.97 in) | Calm | 0.00 mm (0.00 in) | 3SM |
| | KRNO 111029Z 00000KT 3SM -SN BKN030 OVC070 M08/M11 A2998 RMK AO2 P0000 |
| 02:12 PST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1015 mb (29.97 in) | Calm | 0.00 mm (0.00 in) | 2 1/2SM |
| | KRNO 111012Z 00000KT 2 1/2SM -SN BR BKN025 OVC060 M08/M11 A2998 RMK AO2 P0000 |
| 01:55 PST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1015 mb (29.97 in) | Calm | 0.00 mm (0.00 in) | 2SM |
| | KRNO 110955Z 00000KT 2SM -SN BR BKN010 BKN030 OVC090 M08/M11 A2998 RMK AO2 SNB37 SLP187 P0000 T10781111 |
| 01:50 PST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1015 mb (29.97 in) | Calm | 0.00 mm (0.00 in) | 2 1/2SM |
| | KRNO 110950Z 00000KT 2 1/2SM -SN BR BKN010 BKN030 OVC090 M08/M11 A2998 RMK AO2 SNB37 P0000 |
| 01:41 PST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1015 mb (29.97 in) | Calm | 0.00 mm (0.00 in) | 3SM |
| | KRNO 110941Z 00000KT 3SM -SN BR BKN010 BKN030 OVC090 M08/M11 A2998 RMK AO2 SNB37 P0000 |
| 00:55 PST |  Overcast | -8°C / 18°F | -12°C / 10°F | 73% | 1015 mb (29.97 in) | Calm | - | 10SM |
| | KRNO 110855Z 00000KT 10SM FEW010 BKN050 OVC090 M08/M12 A2998 RMK AO2 SLP194 VCFG N-NE S-W-NW T10831122 58005 |