| 22:53 PST |  Clear | -7°C / 19°F | -12°C / 10°F | 68% | 1015 mb (29.97 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KLOL 050653Z AUTO 10005KT 10SM CLR M07/M12 A2996 RMK AO2 SLP172 T10721117 |
| 21:53 PST |  Clear | -6°C / 21°F | -11°C / 12°F | 68% | 1015 mb (29.97 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KLOL 050553Z AUTO 31004KT 10SM CLR M06/M11 A2998 RMK AO2 SLP183 T10611111 10017 21078 58013 |
| 20:53 PST |  Clear | -7°C / 19°F | -12°C / 10°F | 68% | 1016 mb (30 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KLOL 050453Z AUTO 06004KT 10SM CLR M07/M12 A3000 RMK AO2 SLP196 T10671117 |
| 19:53 PST |  Clear | -6°C / 21°F | -12°C / 10°F | 63% | 1017 mb (30.03 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KLOL 050353Z AUTO 27003KT 10SM CLR M06/M12 A3002 RMK AO2 SLP210 T10611122 |
| 18:53 PST |  Clear | -5°C / 23°F | -11°C / 12°F | 63% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KLOL 050253Z AUTO 00000KT 10SM CLR M05/M11 A3003 RMK AO2 SLP215 T10501106 56013 |
| 17:53 PST |  Clear | -4°C / 25°F | -10°C / 14°F | 63% | 1017 mb (30.03 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KLOL 050153Z AUTO 16003KT 10SM CLR M04/M10 A3004 RMK AO2 SLP221 T10391100 |
| 16:53 PST |  Clear | -2°C / 28°F | -9°C / 16°F | 59% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KLOL 050053Z AUTO 00000KT 10SM CLR M02/M09 A3005 RMK AO2 SLP219 T10171089 |
| 15:53 PST |  Clear | 2°C / 36°F | -8°C / 18°F | 48% | 1018 mb (30.06 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KLOL 042353Z AUTO 25006KT 10SM CLR 02/M08 A3007 RMK AO2 SLP218 T00171078 10067 21022 56023 |
| 14:53 PST |  Clear | 4°C / 39°F | -7°C / 19°F | 45% | 1019 mb (30.09 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KLOL 042253Z AUTO 23005KT 10SM CLR 04/M07 A3009 RMK AO2 SLP221 T00441072 |
| 13:53 PST |  Clear | 7°C / 45°F | -7°C / 19°F | 37% | 1019 mb (30.09 in) | SW 15 kph (SW 9.2 mph) | - | 10SM |
| | KLOL 042153Z AUTO 22008KT 10SM CLR 07/M07 A3010 RMK AO2 SLP219 T00671067 |
| 12:53 PST |  Clear | 5°C / 41°F | -7°C / 19°F | 42% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KLOL 042053Z AUTO 00000KT 10SM CLR 05/M07 A3014 RMK AO2 SLP233 T00501067 56027 |
| 11:53 PST |  Clear | 4°C / 39°F | -8°C / 18°F | 42% | 1022 mb (30.18 in) | SSE 7 kph (SSE 4.6 mph) | - | 10SM |
| | KLOL 041953Z AUTO 20004KT 10SM CLR 04/M08 A3018 RMK AO2 SLP247 T00441078 |
| 10:53 PST |  Clear | 1°C / 34°F | -9°C / 16°F | 48% | 1023 mb (30.21 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KLOL 041853Z AUTO 23003KT 10SM CLR 01/M09 A3020 RMK AO2 SLP260 T00061094 |
| 09:53 PST |  Clear | -2°C / 28°F | -11°C / 12°F | 51% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KLOL 041753Z AUTO 00000KT 10SM CLR M02/M11 A3023 RMK AO2 SLP276 T10221106 11022 21150 58001 |
| 08:53 PST |  Clear | -6°C / 21°F | -13°C / 9°F | 58% | 1024 mb (30.24 in) | SE 6 kph (SE 3.5 mph) | - | 10SM |
| | KLOL 041653Z AUTO 12003KT 10SM CLR M06/M13 A3025 RMK AO2 SLP287 T10611133 |
| 07:53 PST |  Clear | -11°C / 12°F | -16°C / 3°F | 67% | 1024 mb (30.24 in) | Calm | - | 9SM |
| | KLOL 041553Z AUTO 00000KT 9SM CLR M11/M16 A3024 RMK AO2 SLP284 T11061161 |
| 06:53 PST |  Clear | -13°C / 9°F | -17°C / 1°F | 72% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KLOL 041453Z AUTO 00000KT 10SM CLR M13/M17 A3024 RMK AO2 SLP287 T11281172 56007 |
| 05:53 PST |  Clear | -15°C / 5°F | -20°C / -4°F | 66% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KLOL 041353Z AUTO 00000KT 10SM CLR M15/M20 A3024 RMK AO2 SLP287 T11501200 |
| 04:53 PST |  Clear | -14°C / 7°F | -18°C / 0°F | 72% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KLOL 041253Z AUTO 00000KT 10SM CLR M14/M18 A3024 RMK AO2 SLP282 T11391183 |
| 03:53 PST |  Clear | -13°C / 9°F | -18°C / 0°F | 66% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KLOL 041153Z AUTO 00000KT 10SM CLR M13/M18 A3026 RMK AO2 SLP281 T11331183 11067 21139 58006 |
| 02:53 PST |  Clear | -13°C / 9°F | -18°C / 0°F | 66% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KLOL 041053Z AUTO 00000KT 10SM CLR M13/M18 A3027 RMK AO2 SLP280 T11281183 |
| 01:53 PST |  Clear | -12°C / 10°F | -17°C / 1°F | 67% | 1025 mb (30.27 in) | SE 9 kph (SE 5.8 mph) | - | 10SM |
| | KLOL 040953Z AUTO 13005KT 10SM CLR M12/M17 A3028 RMK AO2 SLP281 T11171167 |
| 00:53 PST |  Clear | -9°C / 16°F | -14°C / 7°F | 67% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KLOL 040853Z AUTO 00000KT 10SM CLR M09/M14 A3029 RMK AO2 SLP279 T10941144 58006 |