| 09:56 PST |  Clear | -1°C / 30°F | -9°C / 16°F | 55% | 1018 mb (30.06 in) | Variable 7 kph (Variable 4.6 mph) | - | 10SM |
| | KEKO 011756Z AUTO VRB04KT 10SM CLR M01/M09 A3007 RMK AO2 SLP215 T10061089 11006 21122 56005 |
| 08:56 PST |  Clear | -4°C / 25°F | -9°C / 16°F | 69% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KEKO 011656Z AUTO 00000KT 10SM CLR M04/M09 A3008 RMK AO2 SLP225 T10441094 |
| 07:56 PST |  Clear | -8°C / 18°F | -12°C / 10°F | 73% | 1019 mb (30.09 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KEKO 011556Z AUTO 08003KT 10SM CLR M08/M12 A3008 RMK AO2 SLP236 T10831122 |
| 06:56 PST |  Clear | -11°C / 12°F | -14°C / 7°F | 79% | 1019 mb (30.09 in) | E 15 kph (E 9.2 mph) | - | 10SM |
| | KEKO 011456Z AUTO 09008KT 10SM CLR M11/M14 A3009 RMK AO2 SLP237 T11111139 53005 |
| 05:56 PST |  Clear | -12°C / 10°F | -13°C / 9°F | 92% | 1019 mb (30.09 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KEKO 011356Z AUTO 08003KT 10SM CLR M12/M13 A3008 RMK AO2 SLP231 T11171133 |
| 04:56 PST |  Clear | -9°C / 16°F | -13°C / 9°F | 73% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KEKO 011256Z AUTO 00000KT 10SM CLR M09/M13 A3007 RMK AO2 SLP215 T10941128 |
| 03:56 PST |  Clear | -11°C / 12°F | -13°C / 9°F | 85% | 1018 mb (30.06 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KEKO 011156Z AUTO 07004KT 10SM CLR M11/M13 A3007 RMK AO2 SLP210 T11061133 11061 21106 58009 |
| 02:56 PST |  Clear | -10°C / 14°F | -13°C / 9°F | 79% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KEKO 011056Z AUTO 00000KT 10SM CLR M10/M13 A3009 RMK AO2 SLP212 T11001128 |
| 01:56 PST |  Clear | -9°C / 16°F | -12°C / 10°F | 79% | 1019 mb (30.09 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KEKO 010956Z AUTO 07004KT 10SM CLR M09/M12 A3010 RMK AO2 SLP213 T10891122 |
| 00:56 PST |  Clear | -9°C / 16°F | -13°C / 9°F | 73% | 1019 mb (30.09 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KEKO 010856Z AUTO 08003KT 10SM CLR M09/M13 A3010 RMK AO2 SLP218 T10891128 58007 |