| 22:53 PST |  Clear | -16°C / 3°F | -19°C / -2°F | 78% | 1018 mb (30.06 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KYKM 110653Z AUTO 27003KT 10SM CLR M16/M19 A3007 RMK AO2 SLP207 T11611189 |
| 21:53 PST |  Clear | -16°C / 3°F | -18°C / 0°F | 85% | 1019 mb (30.09 in) | W 9 kph (W 5.8 mph) | - | 7SM |
| | KYKM 110553Z 28005KT 7SM CLR M16/M18 A3008 RMK AO2 SLP212 60000 T11561183 11072 21167 58004 |
| 20:53 PST |  Clear | -15°C / 5°F | -18°C / 0°F | 78% | 1019 mb (30.09 in) | W 7 kph (W 4.6 mph) | - | 10SM |
| | KYKM 110453Z 28004KT 10SM CLR M15/M18 A3009 RMK AO2 SLP216 T11501178 |
| 19:53 PST |  Clear | -15°C / 5°F | -18°C / 0°F | 78% | 1019 mb (30.09 in) | SSW 9 kph (SSW 5.8 mph) | - | 8SM |
| | KYKM 110353Z 26005KT 8SM CLR M15/M18 A3009 RMK AO2 SLP218 T11501183 |
| 18:53 PST |  Clear | -13°C / 9°F | -18°C / 0°F | 66% | 1019 mb (30.09 in) | Calm | - | 9SM |
| | KYKM 110253Z 00000KT 9SM CLR M13/M18 A3009 RMK AO2 SLP218 60000 T11281178 56008 |
| 17:53 PST |  Clear | -13°C / 9°F | -18°C / 0°F | 66% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KYKM 110153Z 00000KT 10SM CLR M13/M18 A3010 RMK AO2 SLP219 T11281183 |
| 16:53 PST |  Clear | -8°C / 18°F | -17°C / 1°F | 49% | 1020 mb (30.12 in) | Calm | 0.00 mm (0.00 in) | 10SM |
| | KYKM 110053Z 00000KT 10SM CLR M08/M17 A3011 RMK AO2 UPE51 SLP221 P0000 T10831172 |
| 15:53 PST |  Clear Unknown Precip | -7°C / 19°F | -17°C / 1°F | 45% | 1020 mb (30.12 in) | SSE 9 kph (SSE 5.8 mph) | 0.00 mm (0.00 in) | 10SM |
| | KYKM 102353Z 16005KT 10SM UP CLR M07/M17 A3012 RMK AO2 UPB53 SLP224 P0000 60000 T10721172 11050 21122 56008 |
| 14:53 PST |  Clear | -5°C / 23°F | -17°C / 1°F | 39% | 1020 mb (30.12 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KYKM 102253Z 16003KT 10SM CLR M05/M17 A3012 RMK AO2 SLP223 T10501172 |
| 13:53 PST |  Clear | -5°C / 23°F | -17°C / 1°F | 39% | 1020 mb (30.12 in) | SE 6 kph (SE 3.5 mph) | 0.00 mm (0.00 in) | 10SM |
| | KYKM 102153Z 12003KT 10SM CLR M05/M17 A3013 RMK AO2 UPB17E20 SLP224 P0000 T10501167 |
| 12:53 PST |  Clear | -6°C / 21°F | -16°C / 3°F | 45% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KYKM 102053Z 00000KT 10SM CLR M06/M16 A3014 RMK AO2 SLP230 T10611161 58019 |
| 11:53 PST |  Clear | -8°C / 18°F | -16°C / 3°F | 53% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KYKM 101953Z 00000KT 10SM CLR M08/M16 A3016 RMK AO2 SLP237 T10781156 |
| 10:53 PST |  Clear | -9°C / 16°F | -16°C / 3°F | 57% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KYKM 101853Z 00000KT 10SM CLR M09/M16 A3019 RMK AO2 SLP246 T10941161 |
| 09:53 PST |  Clear | -12°C / 10°F | -17°C / 1°F | 67% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KYKM 101753Z 00000KT 10SM CLR M12/M17 A3020 RMK AO2 SLP252 T11221167 11122 21200 56001 |
| 08:53 PST |  Clear | -16°C / 3°F | -19°C / -2°F | 78% | 1023 mb (30.21 in) | Calm | - | 8SM |
| | KYKM 101653Z 00000KT 8SM CLR M16/M19 A3020 RMK AO2 SLP254 T11611189 |
| 07:53 PST |  Clear | -18°C / 0°F | -21°C / -6°F | 78% | 1023 mb (30.21 in) | NW 11 kph (NW 6.9 mph) | - | 7SM |
| | KYKM 101553Z 31006KT 7SM CLR M18/M21 A3020 RMK AO2 SLP255 T11831211 |
| 06:53 PST |  Clear | -19°C / -2°F | -22°C / -8°F | 77% | 1023 mb (30.21 in) | W 7 kph (W 4.6 mph) | - | 9SM |
| | KYKM 101453Z 28004KT 9SM CLR M19/M22 A3020 RMK AO2 SLP256 T11941217 56013 |
| 05:53 PST |  Clear | -18°C / 0°F | -21°C / -6°F | 78% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KYKM 101353Z 00000KT 10SM CLR M18/M21 A3021 RMK AO2 SLP256 T11831211 |
| 04:53 PST |  Clear | -19°C / -2°F | -21°C / -6°F | 84% | 1023 mb (30.21 in) | W 11 kph (W 6.9 mph) | - | 8SM |
| | KYKM 101253Z AUTO 28006KT 8SM CLR M19/M21 A3022 RMK AO2 SLP260 T11891211 |
| 03:53 PST |  Clear | -19°C / -2°F | -21°C / -6°F | 84% | 1024 mb (30.24 in) | SSW 6 kph (SSW 3.5 mph) | - | 9SM |
| | KYKM 101153Z AUTO 26003KT 9SM CLR M19/M21 A3024 RMK AO2 SLP266 T11891211 11161 21194 58009 |
| 02:53 PST |  Clear | -18°C / 0°F | -21°C / -6°F | 78% | 1025 mb (30.27 in) | Calm | - | 9SM |
| | KYKM 101053Z AUTO 00000KT 9SM CLR M18/M21 A3026 RMK AO2 SLP272 T11831211 |
| 01:53 PST |  Clear | -18°C / 0°F | -21°C / -6°F | 78% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KYKM 100953Z AUTO 00000KT 10SM CLR M18/M21 A3026 RMK AO2 SLP272 T11831206 |
| 00:53 PST |  Clear | -18°C / 0°F | -20°C / -4°F | 84% | 1025 mb (30.27 in) | WNW 6 kph (WNW 3.5 mph) | - | 9SM |
| | KYKM 100853Z AUTO 29003KT 9SM CLR M18/M20 A3027 RMK AO2 SLP275 T11781200 58005 |