| 14:56 PST |  Clear | 8°C / 46°F | -7°C / 19°F | 34% | 1021 mb (30.15 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KEKO 302256Z AUTO 21003KT 10SM CLR 08/M07 A3015 RMK AO2 SLP232 T00781072 |
| 13:56 PST |  Clear | 7°C / 45°F | -8°C / 18°F | 34% | 1021 mb (30.15 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KEKO 302156Z AUTO 17003KT 10SM CLR 07/M08 A3016 RMK AO2 SLP233 T00721078 |
| 12:56 PST |  Clear | 6°C / 43°F | -7°C / 19°F | 39% | 1022 mb (30.18 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KEKO 302056Z AUTO 27003KT 10SM CLR 06/M07 A3019 RMK AO2 SLP248 T00561072 58037 |
| 11:56 PST |  Clear | 3°C / 37°F | -7°C / 19°F | 48% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KEKO 301956Z AUTO 00000KT 10SM CLR 03/M07 A3023 RMK AO2 SLP266 T00331072 |
| 10:56 PST |  Clear | 1°C / 34°F | -8°C / 18°F | 51% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KEKO 301856Z AUTO 00000KT 10SM CLR 01/M08 A3027 RMK AO2 SLP282 T00111078 |
| 09:56 PST |  Clear | -2°C / 28°F | -9°C / 16°F | 59% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KEKO 301756Z AUTO 00000KT 10SM CLR M02/M09 A3031 RMK AO2 SLP304 T10221094 11022 21133 58002 |
| 08:56 PST |  Clear | -7°C / 19°F | -12°C / 10°F | 68% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KEKO 301656Z AUTO 00000KT 10SM CLR M07/M12 A3033 RMK AO2 SLP313 T10671117 |
| 07:56 PST |  Clear | -11°C / 12°F | -13°C / 9°F | 85% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KEKO 301556Z AUTO 00000KT 10SM CLR M11/M13 A3033 RMK AO2 SLP324 T11061133 |
| 06:56 PST |  Clear | -12°C / 10°F | -14°C / 7°F | 85% | 1027 mb (30.33 in) | ENE 9 kph (ENE 5.8 mph) | - | 10SM |
| | KEKO 301456Z AUTO 06005KT 10SM CLR M12/M14 A3032 RMK AO2 SLP318 T11171139 53001 |
| 05:56 PST |  Clear | -11°C / 12°F | -13°C / 9°F | 85% | 1026 mb (30.3 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KEKO 301356Z AUTO 05003KT 10SM CLR M11/M13 A3031 RMK AO2 SLP314 T11111133 |
| 04:56 PST |  Clear | -11°C / 12°F | -13°C / 9°F | 85% | 1026 mb (30.3 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KEKO 301256Z AUTO 04005KT 10SM CLR M11/M13 A3030 RMK AO2 SLP304 T11061128 |
| 03:56 PST |  Clear | -12°C / 10°F | -14°C / 7°F | 85% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KEKO 301156Z AUTO 00000KT 10SM CLR M12/M14 A3031 RMK AO2 SLP302 T11221144 11056 21122 50000 |
| 02:56 PST |  Clear | -10°C / 14°F | -13°C / 9°F | 79% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KEKO 301056Z AUTO 00000KT 10SM CLR M10/M13 A3032 RMK AO2 SLP295 T11001133 |
| 01:56 PST |  Clear | -9°C / 16°F | -12°C / 10°F | 79% | 1027 mb (30.33 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KEKO 300956Z AUTO 06004KT 10SM CLR M09/M12 A3033 RMK AO2 SLP293 T10891122 |
| 00:56 PST |  Clear | -9°C / 16°F | -13°C / 9°F | 73% | 1026 mb (30.3 in) | E 11 kph (E 6.9 mph) | - | 10SM |
| | KEKO 300856Z AUTO 09006KT 10SM CLR M09/M13 A3031 RMK AO2 SLP291 T10891128 50000 |