| 11:55 PST |  Clear | -1°C / 30°F | -16°C / 3°F | 31% | 1024 mb (30.24 in) | ENE 11 kph (ENE 6.9 mph) | 1.02 mm (0.04 in) | 10SM |
| | KAST 081955Z AUTO 07006KT 10SM CLR M01/M16 A3024 RMK AO2 SLP239 P0004 T10111156 TSNO |
| 10:55 PST |  Clear | -2°C / 28°F | -13°C / 9°F | 43% | 1024 mb (30.24 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KAST 081855Z AUTO 10004KT 10SM CLR M02/M13 A3024 RMK AO2 SLP241 T10171128 TSNO |
| 09:55 PST |  Clear | -3°C / 27°F | -12°C / 10°F | 50% | 1024 mb (30.24 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KAST 081755Z AUTO 09003KT 10SM CLR M03/M12 A3023 RMK AO2 SLP237 T10281117 11028 21078 53025 TSNO |
| 08:55 PST |  Clear | -5°C / 23°F | -14°C / 7°F | 50% | 1023 mb (30.21 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KAST 081655Z AUTO 08003KT 10SM CLR M05/M14 A3021 RMK AO2 SLP230 T10501139 TSNO |
| 07:55 PST |  Clear | -7°C / 19°F | -15°C / 5°F | 53% | 1022 mb (30.18 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KAST 081555Z AUTO 17003KT 10SM CLR M07/M15 A3018 RMK AO2 SLP218 T10721150 TSNO |
| 06:55 PST |  Clear | -7°C / 19°F | -14°C / 7°F | 58% | 1021 mb (30.15 in) | ESE 9 kph (ESE 5.8 mph) | - | 10SM |
| | KAST 081455Z AUTO 11005KT 10SM CLR M07/M14 A3016 RMK AO2 SLP212 T10721139 53016 TSNO |
| 05:55 PST |  Clear | -7°C / 19°F | -14°C / 7°F | 58% | 1021 mb (30.15 in) | ESE 11 kph (ESE 6.9 mph) | - | 10SM |
| | KAST 081355Z AUTO 11006KT 10SM CLR M07/M14 A3014 RMK AO2 SLP205 T10721139 TSNO |
| 04:55 PST |  Clear | -7°C / 19°F | -14°C / 7°F | 58% | 1020 mb (30.12 in) | E 11 kph (E 6.9 mph) | - | 10SM |
| | KAST 081255Z AUTO 09006KT 10SM CLR M07/M14 A3012 RMK AO2 SLP198 T10671139 TSNO |
| 03:55 PST |  Clear | -7°C / 19°F | -14°C / 7°F | 58% | 1020 mb (30.12 in) | SE 11 kph (SE 6.9 mph) | - | 10SM |
| | KAST 081155Z AUTO 13006KT 10SM CLR M07/M14 A3011 RMK AO2 SLP196 T10721139 11050 21072 51015 TSNO |
| 02:55 PST |  Clear | -7°C / 19°F | -15°C / 5°F | 53% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KAST 081055Z AUTO 00000KT 10SM CLR M07/M15 A3011 RMK AO2 SLP194 T10671150 TSNO |
| 01:55 PST |  Clear | -6°C / 21°F | -14°C / 7°F | 54% | 1019 mb (30.09 in) | E 13 kph (E 8.1 mph) | - | 10SM |
| | KAST 080955Z AUTO 08007KT 10SM CLR M06/M14 A3008 RMK AO2 SLP185 T10611139 TSNO |
| 00:55 PST |  Clear | -6°C / 21°F | -15°C / 5°F | 49% | 1018 mb (30.06 in) | E 11 kph (E 6.9 mph) | - | 10SM |
| | KAST 080855Z AUTO 10006KT 10SM CLR M06/M15 A3007 RMK AO2 SLP181 T10611150 51004 TSNO |