| 06:53 PST |  Overcast | -9°C / 16°F | -11°C / 12°F | 86% | 1015 mb (29.97 in) | Calm | - | 10SM |
| | KOMK 151453Z AUTO 00000KT 10SM OVC024 M09/M11 A2997 RMK AO2 SLP172 T10891111 53004 |
| 05:53 PST |  Overcast | -9°C / 16°F | -12°C / 10°F | 79% | 1015 mb (29.97 in) | Calm | - | 10SM |
| | KOMK 151353Z AUTO 00000KT 10SM OVC026 M09/M12 A2996 RMK AO2 SLP170 T10941117 |
| 05:22 PST |  Overcast | -9°C / 16°F | -12°C / 10°F | 79% | 1015 mb (29.97 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KOMK 151322Z AUTO 04003KT 10SM OVC028 M09/M12 A2996 RMK AO2 |
| 04:53 PST |  Overcast | -9°C / 16°F | -12°C / 10°F | 79% | 1014 mb (29.94 in) | Calm | - | 10SM |
| | KOMK 151253Z AUTO 00000KT 10SM OVC030 M09/M12 A2995 RMK AO2 SLP166 T10941117 |
| 03:53 PST |  Overcast | -9°C / 16°F | -12°C / 10°F | 79% | 1015 mb (29.97 in) | N 7 kph (N 4.6 mph) | 0.00 mm (0.00 in) | 10SM |
| | KOMK 151153Z AUTO 35004KT 10SM OVC034 M09/M12 A2996 RMK AO2 SNE00 SLP167 P0000 60014 70016 T10941117 11094 21100 58009 |
| 02:53 PST |  Overcast Light Snow | -9°C / 16°F | -12°C / 10°F | 79% | 1015 mb (29.97 in) | NNE 6 kph (NNE 3.5 mph) | 0.00 mm (0.00 in) | 8SM |
| | KOMK 151053Z AUTO 02003KT 8SM -SN OVC040 M09/M12 A2997 RMK AO2 SLP173 P0000 T10941117 |
| 02:49 PST |  Overcast Light Snow | -9°C / 16°F | -12°C / 10°F | 79% | 1015 mb (29.97 in) | NE 6 kph (NE 3.5 mph) | 0.00 mm (0.00 in) | 6SM |
| | KOMK 151049Z AUTO 03003KT 6SM -SN BR BKN037 OVC044 M09/M12 A2997 RMK AO2 P0000 |
| 02:35 PST |  Overcast Light Snow | -10°C / 14°F | -12°C / 10°F | 85% | 1015 mb (29.97 in) | NNE 6 kph (NNE 3.5 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KOMK 151035Z AUTO 02003KT 2 1/2SM -SN BR BKN039 OVC046 M10/M12 A2998 RMK AO2 P0000 |
| 02:03 PST |  Overcast Light Snow | -10°C / 14°F | -12°C / 10°F | 85% | 1015 mb (29.97 in) | NNE 9 kph (NNE 5.8 mph) | 0.00 mm (0.00 in) | 3SM |
| | KOMK 151003Z AUTO 02005KT 3SM -SN BR FEW018 BKN050 OVC065 M10/M12 A2998 RMK AO2 P0000 |
| 01:53 PST |  Overcast Light Snow | -10°C / 14°F | -12°C / 10°F | 85% | 1016 mb (30 in) | NNE 9 kph (NNE 5.8 mph) | 0.76 mm (0.03 in) | 2 1/2SM |
| | KOMK 150953Z AUTO 02005KT 2 1/2SM -SN BR SCT018 BKN042 OVC060 M10/M12 A2999 RMK AO2 SLP177 P0003 T11001117 |
| 01:38 PST |  Overcast Light Snow | -10°C / 14°F | -12°C / 10°F | 85% | 1015 mb (29.97 in) | NNE 11 kph (NNE 6.9 mph) | 0.76 mm (0.03 in) | 1 3/4SM |
| | KOMK 150938Z AUTO 02006KT 1 3/4SM -SN BR OVC016 M10/M12 A2998 RMK AO2 P0003 |
| 01:16 PST |  Overcast Light Snow | -10°C / 14°F | -12°C / 10°F | 85% | 1016 mb (30 in) | N 9 kph (N 5.8 mph) | 0.51 mm (0.02 in) | 1 1/4SM |
| | KOMK 150916Z AUTO 01005KT 1 1/4SM -SN BR OVC012 M10/M12 A2999 RMK AO2 P0002 |
| 00:53 PST |  Obscured Light Snow | -10°C / 14°F | -12°C / 10°F | 85% | 1016 mb (30 in) | N 11 kph (N 6.9 mph) | 1.02 mm (0.04 in) | 1SM |
| | KOMK 150853Z AUTO 36006KT 1SM -SN BR VV008 M10/M12 A3000 RMK AO2 SLP182 P0004 60011 T11001117 56024 |
| 00:41 PST |  Obscured Light Snow | -10°C / 14°F | -12°C / 10°F | 85% | 1016 mb (30 in) | N 11 kph (N 6.9 mph) | 0.76 mm (0.03 in) | 1SM |
| | KOMK 150841Z AUTO 36006KT 1SM -SN BR VV009 M10/M12 A3000 RMK AO2 P0003 |
| 00:28 PST |  Overcast Light Snow | -10°C / 14°F | -12°C / 10°F | 85% | 1016 mb (30 in) | N 11 kph (N 6.9 mph) | 0.51 mm (0.02 in) | 1 1/4SM |
| | KOMK 150828Z AUTO 36006KT 1 1/4SM -SN BR OVC009 M10/M12 A3000 RMK AO2 P0002 |