| 14:56 PST |  Clear | 9°C / 48°F | -5°C / 23°F | 37% | 1023 mb (30.21 in) | E 11 kph (E 6.9 mph) | - | 10SM |
| | KLWS 262256Z 10006KT 10SM CLR 09/M05 A3022 RMK AO2 SLP242 T00941050 |
| 13:56 PST |  Clear | 12°C / 54°F | -5°C / 23°F | 30% | 1024 mb (30.24 in) | SSE 15 kph (SSE 9.2 mph) | - | 10SM |
| | KLWS 262156Z 15008KT 10SM CLR 12/M05 A3023 RMK AO2 SLP248 T01171050 |
| 12:56 PST |  Clear | 8°C / 46°F | -5°C / 23°F | 40% | 1024 mb (30.24 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KLWS 262056Z 09005KT 10SM CLR 08/M05 A3025 RMK AO2 SLP257 T00831050 57015 |
| 11:56 PST |  Clear | 8°C / 46°F | -6°C / 21°F | 37% | 1025 mb (30.27 in) | E 13 kph (E 8.1 mph) | - | 10SM |
| | KLWS 261956Z 08007KT 10SM CLR 08/M06 A3027 RMK AO2 SLP262 T00781056 |
| 10:56 PST |  Clear | 5°C / 41°F | -6°C / 21°F | 45% | 1025 mb (30.27 in) | ENE 13 kph (ENE 8.1 mph) | - | 10SM |
| | KLWS 261856Z 07007KT 10SM CLR 05/M06 A3028 RMK AO2 SLP269 T00501061 |
| 09:56 PST |  Clear | 3°C / 37°F | -6°C / 21°F | 52% | 1026 mb (30.3 in) | E 20 kph (E 12.7 mph) | - | 10SM |
| | KLWS 261756Z 08011KT 10SM CLR 03/M06 A3030 RMK AO2 SLP275 T00281061 10044 21022 56002 |
| 09:03 PST |  Partly Cloudy | 2°C / 36°F | -7°C / 19°F | 52% | 1026 mb (30.3 in) | E 20 kph (E 12.7 mph) | - | 10SM |
| | KLWS 261703Z 08011KT 10SM SCT005 02/M07 A3030 RMK AO2 |
| 08:56 PST |  Mostly Cloudy | 2°C / 36°F | -7°C / 19°F | 52% | 1026 mb (30.3 in) | ENE 17 kph (ENE 10.4 mph) | - | 10SM |
| | KLWS 261656Z 07009KT 10SM BKN010 02/M07 A3030 RMK AO2 SLP276 T00221067 |
| 07:56 PST |  Overcast | 1°C / 34°F | -6°C / 21°F | 60% | 1026 mb (30.3 in) | ENE 13 kph (ENE 8.1 mph) | - | 10SM |
| | KLWS 261556Z 06007KT 10SM OVC010 01/M06 A3030 RMK AO2 SLP275 T00061061 |
| 06:56 PST |  Overcast | 3°C / 37°F | -6°C / 21°F | 52% | 1026 mb (30.3 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KLWS 261456Z 06003KT 10SM OVC010 03/M06 A3030 RMK AO2 SLP276 T00331061 58008 |
| 06:15 PST |  Overcast | 2°C / 36°F | -6°C / 21°F | 56% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KLWS 261415Z 00000KT 10SM OVC010 02/M06 A3031 RMK AO2 |
| 06:04 PST |  Partly Cloudy | 1°C / 34°F | -6°C / 21°F | 60% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KLWS 261404Z 00000KT 10SM SCT001 01/M06 A3031 RMK AO2 |
| 05:56 PST |  Overcast | 2°C / 36°F | -6°C / 21°F | 56% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KLWS 261356Z AUTO 00000KT 10SM OVC001 02/M06 A3032 RMK AO2 SLP282 T00221061 |
| 04:56 PST |  Overcast | -2°C / 28°F | -7°C / 19°F | 69% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KLWS 261256Z AUTO 00000KT 10SM OVC001 M02/M07 A3032 RMK AO2 SLP285 T10171067 |
| 04:06 PST |  Overcast | -2°C / 28°F | -7°C / 19°F | 69% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KLWS 261206Z AUTO 00000KT 10SM OVC001 M02/M07 A3033 RMK AO2 |
| 03:56 PST |  Overcast | -2°C / 28°F | -7°C / 19°F | 69% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KLWS 261156Z AUTO 00000KT 10SM OVC003 M02/M07 A3033 RMK AO2 SLP287 T10221067 10033 21033 58001 |
| 03:11 PST |  Overcast | 2°C / 36°F | -7°C / 19°F | 52% | 1027 mb (30.33 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KLWS 261111Z AUTO 10004KT 10SM OVC003 02/M07 A3033 RMK AO2 CIG 001V005 |
| 02:56 PST |  Overcast | 1°C / 34°F | -7°C / 19°F | 56% | 1027 mb (30.33 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KLWS 261056Z AUTO 09004KT 10SM OVC001 01/M07 A3033 RMK AO2 SLP286 T00061067 |
| 01:56 PST |  Overcast | -3°C / 27°F | -6°C / 21°F | 80% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KLWS 260956Z AUTO 00000KT 10SM OVC001 M03/M06 A3033 RMK AO2 SLP290 T10331061 |
| 01:31 PST |  Overcast | -3°C / 27°F | -6°C / 21°F | 80% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KLWS 260931Z AUTO 00000KT 10SM OVC001 M03/M06 A3033 RMK AO2 |
| 00:56 PST |  Overcast | -3°C / 27°F | -6°C / 21°F | 80% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KLWS 260856Z AUTO 00000KT 10SM OVC003 M03/M06 A3033 RMK AO2 SLP289 T10331061 56005 |