| 09:35 PST |  Clear | -9°C / 16°F | -14°C / 7°F | 67% | 1013 mb (29.91 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KCOE 111735Z AUTO 04005KT 10SM CLR M09/M14 A2990 RMK AO1 |
| 09:15 PST |  Clear | -9°C / 16°F | -14°C / 7°F | 67% | 1013 mb (29.91 in) | NE 11 kph (NE 6.9 mph) | - | 10SM |
| | KCOE 111715Z AUTO 04006KT 10SM CLR M09/M14 A2990 RMK AO1 |
| 08:55 PST |  Clear | -10°C / 14°F | -14°C / 7°F | 73% | 1013 mb (29.91 in) | NE 15 kph (NE 9.2 mph) | - | 10SM |
| | KCOE 111655Z AUTO 04008KT 10SM CLR M10/M14 A2990 RMK AO1 |
| 08:35 PST |  Clear | -10°C / 14°F | -14°C / 7°F | 73% | 1013 mb (29.91 in) | NE 11 kph (NE 6.9 mph) | - | 10SM |
| | KCOE 111635Z AUTO 04006KT 10SM CLR M10/M14 A2990 RMK AO1 |
| 08:15 PST |  Clear | -11°C / 12°F | -14°C / 7°F | 79% | 1013 mb (29.91 in) | NE 13 kph (NE 8.1 mph) | - | 10SM |
| | KCOE 111615Z AUTO 04007KT 10SM CLR M11/M14 A2990 RMK AO1 |
| 07:55 PST |  Clear | -11°C / 12°F | -15°C / 5°F | 73% | 1013 mb (29.91 in) | NE 13 kph (NE 8.1 mph) | - | 10SM |
| | KCOE 111555Z AUTO 03007KT 10SM CLR M11/M15 A2990 RMK AO1 |
| 07:35 PST |  Clear | -11°C / 12°F | -15°C / 5°F | 73% | 1013 mb (29.91 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KCOE 111535Z AUTO 06003KT 10SM CLR M11/M15 A2990 RMK AO1 |
| 07:15 PST |  Partly Cloudy | -11°C / 12°F | -14°C / 7°F | 79% | 1013 mb (29.91 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KCOE 111515Z AUTO 06004KT 10SM FEW120 M11/M14 A2990 RMK AO1 |
| 06:55 PST |  Partly Cloudy | -11°C / 12°F | -14°C / 7°F | 79% | 1013 mb (29.91 in) | NE 11 kph (NE 6.9 mph) | - | 10SM |
| | KCOE 111455Z AUTO 05006KT 10SM SCT120 M11/M14 A2990 RMK AO1 57014 |
| 06:35 PST |  Partly Cloudy | -12°C / 10°F | -15°C / 5°F | 79% | 1013 mb (29.91 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KCOE 111435Z AUTO 05005KT 10SM FEW120 M12/M15 A2990 RMK AO1 |
| 06:15 PST |  Partly Cloudy | -12°C / 10°F | -16°C / 3°F | 72% | 1013 mb (29.91 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KCOE 111415Z AUTO 06003KT 10SM SCT120 M12/M16 A2991 RMK AO1 |
| 05:55 PST |  Clear | -12°C / 10°F | -16°C / 3°F | 72% | 1013 mb (29.91 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KCOE 111355Z AUTO 04003KT 10SM CLR M12/M16 A2991 RMK AO1 |
| 05:35 PST |  Clear | -12°C / 10°F | -15°C / 5°F | 79% | 1013 mb (29.91 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KCOE 111335Z AUTO 05003KT 10SM CLR M12/M15 A2991 RMK AO1 |
| 05:15 PST |  Clear | -12°C / 10°F | -15°C / 5°F | 79% | 1013 mb (29.91 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KCOE 111315Z AUTO 07003KT 10SM CLR M12/M15 A2992 RMK AO1 |
| 04:55 PST |  Clear | -13°C / 9°F | -16°C / 3°F | 78% | 1013 mb (29.91 in) | NE 7 kph (NE 4.6 mph) | - | 10SM |
| | KCOE 111255Z AUTO 05004KT 10SM CLR M13/M16 A2992 RMK AO1 |
| 04:35 PST |  Clear | -13°C / 9°F | -17°C / 1°F | 72% | 1014 mb (29.94 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KCOE 111235Z AUTO 08003KT 10SM CLR M13/M17 A2993 RMK AO1 |
| 04:15 PST |  Clear | -13°C / 9°F | -16°C / 3°F | 78% | 1014 mb (29.94 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KCOE 111215Z AUTO 09003KT 10SM CLR M13/M16 A2994 RMK AO1 |
| 03:55 PST |  Clear | -12°C / 10°F | -16°C / 3°F | 72% | 1014 mb (29.94 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KCOE 111155Z AUTO 06004KT 10SM CLR M12/M16 A2994 RMK AO1 11080 21130 57007 |
| 03:35 PST |  Clear | -12°C / 10°F | -16°C / 3°F | 72% | 1014 mb (29.94 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KCOE 111135Z AUTO 03003KT 10SM CLR M12/M16 A2994 RMK AO1 |
| 03:15 PST |  Clear | -12°C / 10°F | -16°C / 3°F | 72% | 1014 mb (29.94 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KCOE 111115Z AUTO 07003KT 10SM CLR M12/M16 A2994 RMK AO1 |
| 02:55 PST |  Clear | -13°C / 9°F | -16°C / 3°F | 78% | 1014 mb (29.94 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KCOE 111055Z AUTO 06004KT 10SM CLR M13/M16 A2995 RMK AO1 |
| 02:35 PST |  Clear | -13°C / 9°F | -16°C / 3°F | 78% | 1015 mb (29.97 in) | NE 7 kph (NE 4.6 mph) | - | 10SM |
| | KCOE 111035Z AUTO 05004KT 10SM CLR M13/M16 A2996 RMK AO1 |
| 02:15 PST |  Clear | -12°C / 10°F | -15°C / 5°F | 79% | 1015 mb (29.97 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KCOE 111015Z AUTO 06004KT 10SM CLR M12/M15 A2996 RMK AO1 |
| 01:55 PST |  Clear | -13°C / 9°F | -16°C / 3°F | 78% | 1014 mb (29.94 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KCOE 110955Z AUTO 05003KT 10SM CLR M13/M16 A2995 RMK AO1 |
| 01:35 PST |  Clear | -12°C / 10°F | -16°C / 3°F | 72% | 1014 mb (29.94 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KCOE 110935Z AUTO 06003KT 10SM CLR M12/M16 A2995 RMK AO1 |
| 01:15 PST |  Clear | -12°C / 10°F | -16°C / 3°F | 72% | 1015 mb (29.97 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KCOE 110915Z AUTO 05003KT 10SM CLR M12/M16 A2996 RMK AO1 |
| 00:55 PST |  Clear | -12°C / 10°F | -16°C / 3°F | 72% | 1015 mb (29.97 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KCOE 110855Z AUTO 05005KT 10SM CLR M12/M16 A2996 RMK AO1 57014 |
| 00:35 PST |  Clear | -12°C / 10°F | -16°C / 3°F | 72% | 1015 mb (29.97 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KCOE 110835Z AUTO 06003KT 10SM CLR M12/M16 A2996 RMK AO1 |
| 00:15 PST |  Clear | -11°C / 12°F | -16°C / 3°F | 67% | 1015 mb (29.97 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KCOE 110815Z AUTO 07004KT 10SM CLR M11/M16 A2997 RMK AO1 |