| 12:47 PST |  Overcast Light Snow | -6°C / 21°F | -9°C / 16°F | 80% | 1013 mb (29.91 in) | Calm | 0.00 mm (0.00 in) | 1 1/4SM |
| | KWMC 112047Z AUTO 1 1/4SM -SN BKN014 OVC021 M06/M09 A2991 RMK AO2 SNB29 P0000 $ |
| 12:39 PST |  Overcast Light Snow | -5°C / 23°F | -10°C / 14°F | 68% | 1013 mb (29.91 in) | Calm | 0.00 mm (0.00 in) | 1 3/4SM |
| | KWMC 112039Z AUTO 1 3/4SM -SN BKN020 OVC026 M05/M10 A2991 RMK AO2 SNB29 P0000 $ |
| 12:31 PST |  Overcast Light Snow | -4°C / 25°F | -11°C / 12°F | 59% | 1013 mb (29.91 in) | Calm | 0.00 mm (0.00 in) | 3SM |
| | KWMC 112031Z AUTO 3SM -SN FEW019 OVC024 M04/M11 A2991 RMK AO2 SNB29 P0000 $ |
| 11:56 PST |  Mostly Cloudy | -5°C / 23°F | -13°C / 9°F | 54% | 1014 mb (29.94 in) | Calm | - | 10SM |
| | KWMC 111956Z AUTO 10SM BKN030 M05/M13 A2993 RMK AO2 SLP185 T10501133 $ |
| 10:56 PST |  Partly Cloudy | -7°C / 19°F | -13°C / 9°F | 63% | 1014 mb (29.94 in) | Calm | - | 10SM |
| | KWMC 111856Z AUTO 10SM FEW075 M07/M13 A2995 RMK AO2 SLP196 T10671133 |
| 09:56 PST |  Partly Cloudy | -8°C / 18°F | -14°C / 7°F | 62% | 1015 mb (29.97 in) | Calm | - | 10SM |
| | KWMC 111756Z AUTO 10SM FEW090 M08/M14 A2998 RMK AO2 SLP209 T10781144 11078 21139 50003 |
| 08:56 PST |  Clear | -11°C / 12°F | -16°C / 3°F | 67% | 1015 mb (29.97 in) | Calm | - | 10SM |
| | KWMC 111656Z AUTO 10SM CLR M11/M16 A2998 RMK AO2 SLP216 T11061156 |
| 07:56 PST |  Mostly Cloudy | -12°C / 10°F | -16°C / 3°F | 72% | 1015 mb (29.97 in) | Calm | - | 10SM |
| | KWMC 111556Z AUTO 10SM BKN046 BKN100 M12/M16 A2997 RMK AO2 SLP213 T11221161 $ |
| 06:56 PST |  Overcast | -13°C / 9°F | -17°C / 1°F | 72% | 1015 mb (29.97 in) | Calm | - | 10SM |
| | KWMC 111456Z AUTO 10SM OVC046 M13/M17 A2997 RMK AO2 SLP206 T11331167 57000 $ |
| 05:56 PST |  Overcast | -13°C / 9°F | -16°C / 3°F | 78% | 1015 mb (29.97 in) | Calm | - | 10SM |
| | KWMC 111356Z AUTO 10SM OVC110 M13/M16 A2997 RMK AO2 SLP204 T11331161 $ |
| 04:56 PST |  Overcast | -12°C / 10°F | -16°C / 3°F | 72% | 1015 mb (29.97 in) | Calm | - | 10SM |
| | KWMC 111256Z AUTO 10SM FEW060 OVC120 M12/M16 A2997 RMK AO2 SLP195 T11221161 $ |
| 03:56 PST |  Overcast | -14°C / 7°F | -17°C / 1°F | 78% | 1015 mb (29.97 in) | Calm | - | 10SM |
| | KWMC 111156Z AUTO 10SM SCT050 OVC120 M14/M17 A2997 RMK AO2 SLP192 60001 7//// T11391167 11106 21189 58008 $ |
| 02:56 PST |  Overcast | -12°C / 10°F | -16°C / 3°F | 72% | 1015 mb (29.97 in) | Calm | - | 10SM |
| | KWMC 111056Z AUTO 10SM OVC120 M12/M16 A2998 RMK AO2 SLP192 T11171156 $ |
| 01:56 PST |  Overcast | -15°C / 5°F | -18°C / 0°F | 78% | 1016 mb (30 in) | Calm | - | 10SM |
| | KWMC 110956Z AUTO 10SM OVC120 M15/M18 A2999 RMK AO2 SLP205 T11501183 $ |
| 00:56 PST |  Partly Cloudy | -18°C / 0°F | -20°C / -4°F | 84% | 1016 mb (30 in) | Calm | - | 10SM |
| | KWMC 110856Z AUTO 10SM FEW120 M18/M20 A3000 RMK AO2 SLP210 60001 T11781200 58008 $ |