| 05:51 MST |  Clear | -18°C / 0°F | -21°C / -6°F | 78% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KMYL 251251Z AUTO 00000KT 10SM CLR M18/M21 A3019 RMK AO2 SLP313 T11831211 FZRANO |
| 04:51 MST |  Clear | -17°C / 1°F | -19°C / -2°F | 85% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KMYL 251151Z AUTO 00000KT 10SM CLR M17/M19 A3020 RMK AO2 SLP310 T11721194 11161 21194 58001 FZRANO |
| 03:51 MST |  Clear | -17°C / 1°F | -19°C / -2°F | 85% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KMYL 251051Z AUTO 00000KT 10SM CLR M17/M19 A3021 RMK AO2 SLP317 T11721189 FZRANO |
| 02:51 MST |  Clear | -17°C / 1°F | -20°C / -4°F | 78% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KMYL 250951Z AUTO 00000KT 10SM CLR M17/M20 A3021 RMK AO2 SLP313 T11721200 FZRANO |
| 01:51 MST |  Clear | -17°C / 1°F | -18°C / 0°F | 92% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KMYL 250851Z AUTO 00000KT 10SM CLR M17/M18 A3021 RMK AO2 SLP312 T11671183 58005 FZRANO |
| 00:51 MST |  Clear | -17°C / 1°F | -18°C / 0°F | 92% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KMYL 250751Z AUTO 00000KT 10SM CLR M17/M18 A3021 RMK AO2 SLP317 T11671183 FZRANO |