| 20:56 PST |  Clear | -11°C / 12°F | -17°C / 1°F | 62% | 1018 mb (30.06 in) | SE 7 kph (SE 4.6 mph) | - | 10SM |
| | KLWS 110456Z AUTO 14004KT 10SM CLR M11/M17 A3005 RMK AO2 SLP205 T11061167 |
| 19:56 PST |  Clear | -9°C / 16°F | -16°C / 3°F | 57% | 1018 mb (30.06 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KLWS 110356Z AUTO 03003KT 10SM CLR M09/M16 A3007 RMK AO2 SLP211 T10941161 |
| 18:56 PST |  Clear | -7°C / 19°F | -16°C / 3°F | 49% | 1019 mb (30.09 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KLWS 110256Z AUTO 08005KT 10SM CLR M07/M16 A3008 RMK AO2 SLP213 T10721156 58008 |
| 17:56 PST |  Clear | -10°C / 14°F | -17°C / 1°F | 57% | 1019 mb (30.09 in) | Variable 6 kph (Variable 3.5 mph) | - | 10SM |
| | KLWS 110156Z VRB03KT 10SM CLR M10/M17 A3009 RMK AO2 SLP217 T11001167 |
| 16:56 PST |  Clear | -8°C / 18°F | -16°C / 3°F | 53% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KLWS 110056Z 00000KT 10SM CLR M08/M16 A3010 RMK AO2 SLP218 T10781161 |
| 15:56 PST |  Clear | -7°C / 19°F | -16°C / 3°F | 49% | 1019 mb (30.09 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KLWS 102356Z 17003KT 10SM CLR M07/M16 A3010 RMK AO2 SLP218 T10671156 11050 21117 56008 |
| 14:56 PST |  Clear | -5°C / 23°F | -15°C / 5°F | 46% | 1020 mb (30.12 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KLWS 102256Z 32003KT 10SM CLR M05/M15 A3011 RMK AO2 SLP221 T10501150 |
| 13:56 PST |  Clear | -6°C / 21°F | -14°C / 7°F | 54% | 1020 mb (30.12 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KLWS 102156Z 28003KT 10SM CLR M06/M14 A3011 RMK AO2 SLP222 T10561144 |
| 12:56 PST |  Clear | -6°C / 21°F | -15°C / 5°F | 49% | 1020 mb (30.12 in) | NNE 9 kph (NNE 5.8 mph) | - | 10SM |
| | KLWS 102056Z 02005KT 10SM CLR M06/M15 A3013 RMK AO2 SLP228 T10561150 56027 |
| 11:56 PST |  Clear | -8°C / 18°F | -14°C / 7°F | 62% | 1021 mb (30.15 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KLWS 101956Z 32004KT 10SM CLR M08/M14 A3015 RMK AO2 SLP237 T10831144 |
| 10:56 PST |  Clear | -10°C / 14°F | -14°C / 7°F | 73% | 1022 mb (30.18 in) | WNW 6 kph (WNW 3.5 mph) | - | 10SM |
| | KLWS 101856Z 29003KT 10SM CLR M10/M14 A3018 RMK AO2 SLP251 T11001144 |
| 09:56 PST |  Clear | -11°C / 12°F | -15°C / 5°F | 73% | 1023 mb (30.21 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KLWS 101756Z 32004KT 10SM CLR M11/M15 A3021 RMK AO2 SLP260 T11111150 11100 21156 52004 |
| 08:56 PST |  Clear | -14°C / 7°F | -17°C / 1°F | 78% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KLWS 101656Z 00000KT 10SM CLR M14/M17 A3021 RMK AO2 SLP262 T11391172 |
| 07:56 PST |  Clear | -15°C / 5°F | -18°C / 0°F | 78% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KLWS 101556Z 00000KT 10SM CLR M15/M18 A3020 RMK AO2 SLP260 T11501183 |
| 06:56 PST |  Clear | -15°C / 5°F | -19°C / -2°F | 72% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KLWS 101456Z 00000KT 10SM CLR M15/M19 A3020 RMK AO2 SLP257 T11501194 56009 |
| 05:56 PST |  Clear | -14°C / 7°F | -18°C / 0°F | 72% | 1023 mb (30.21 in) | SE 11 kph (SE 6.9 mph) | - | 10SM |
| | KLWS 101356Z AUTO 14006KT 10SM CLR M14/M18 A3021 RMK AO2 SLP258 T11391183 |
| 04:56 PST |  Clear | -12°C / 10°F | -18°C / 0°F | 61% | 1023 mb (30.21 in) | E 17 kph (E 10.4 mph) | - | 10SM |
| | KLWS 101256Z AUTO 08009KT 10SM CLR M12/M18 A3021 RMK AO2 SLP257 T11221178 |
| 03:56 PST |  Clear | -12°C / 10°F | -18°C / 0°F | 61% | 1023 mb (30.21 in) | ENE 19 kph (ENE 11.5 mph) | - | 10SM |
| | KLWS 101156Z AUTO 07010KT 10SM CLR M12/M18 A3022 RMK AO2 SLP262 T11171178 11117 21156 58018 |
| 02:56 PST |  Clear | -14°C / 7°F | -18°C / 0°F | 72% | 1024 mb (30.24 in) | SE 7 kph (SE 4.6 mph) | - | 10SM |
| | KLWS 101056Z AUTO 12004KT 10SM CLR M14/M18 A3025 RMK AO2 SLP271 T11391183 |
| 01:56 PST |  Clear | -14°C / 7°F | -18°C / 0°F | 72% | 1025 mb (30.27 in) | SE 7 kph (SE 4.6 mph) | - | 10SM |
| | KLWS 100956Z AUTO 13004KT 10SM CLR M14/M18 A3028 RMK AO2 SLP282 T11391183 |
| 00:56 PST |  Clear | -14°C / 7°F | -18°C / 0°F | 72% | 1025 mb (30.27 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KLWS 100856Z AUTO 06003KT 10SM CLR M14/M18 A3028 RMK AO2 SLP282 T11391178 58008 |