| 18:50 MST |  Clear | -2°C / 28°F | -3°C / 27°F | 93% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KMYL 300150Z AUTO 00000KT 10SM CLR M02/M03 A3027 RMK AO2 SLP305 T10221033 FZRANO |
| 17:50 MST |  Clear | -2°C / 28°F | -4°C / 25°F | 86% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KMYL 300050Z AUTO 00000KT 10SM CLR M02/M04 A3027 RMK AO2 SLP303 T10171039 FZRANO |
| 16:50 MST |  Clear | 2°C / 36°F | -4°C / 25°F | 65% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KMYL 292350Z AUTO 00000KT 10SM CLR 02/M04 A3027 RMK AO2 SLP291 T00221039 10033 21061 55004 FZRANO |
| 15:50 MST |  Clear | 3°C / 37°F | -4°C / 25°F | 60% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KMYL 292250Z AUTO 00000KT 10SM CLR 03/M04 A3026 RMK AO2 SLP287 T00281039 |
| 14:50 MST |  Clear | 2°C / 36°F | -4°C / 25°F | 65% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KMYL 292150Z AUTO 00000KT 10SM CLR 02/M04 A3027 RMK AO2 SLP292 T00171044 FZRANO |
| 13:50 MST |  Clear | 0°C / 32°F | -5°C / 23°F | 69% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KMYL 292050Z AUTO 00000KT 10SM CLR 00/M05 A3028 RMK AO2 SLP297 T00001050 58008 FZRANO |
| 12:50 MST |  Clear | 0°C / 32°F | -6°C / 21°F | 64% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KMYL 291950Z AUTO 00000KT 10SM CLR 00/M06 A3029 RMK AO2 SLP302 T00001056 FZRANO |
| 11:50 MST |  Clear | -3°C / 27°F | -6°C / 21°F | 80% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KMYL 291850Z AUTO 00000KT 10SM CLR M03/M06 A3031 RMK AO2 SLP314 T10331061 FZRANO |
| 10:50 MST |  Clear | -6°C / 21°F | -7°C / 19°F | 93% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KMYL 291750Z AUTO 00000KT 10SM CLR M06/M07 A3031 RMK AO2 SLP318 T10611067 11061 21122 53010 FZRANO |
| 09:50 MST |  Clear | -8°C / 18°F | -8°C / 18°F | 100% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KMYL 291650Z AUTO 00000KT 10SM CLR M08/M08 A3030 RMK AO2 SLP315 T10831083 FZRANO |
| 08:50 MST |  Partly Cloudy | -10°C / 14°F | -11°C / 12°F | 92% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KMYL 291550Z AUTO 00000KT 10SM FEW032 M10/M11 A3028 RMK AO2 SLP314 T11001111 FZRANO |
| 08:28 MST |  Partly Cloudy | -11°C / 12°F | -12°C / 10°F | 92% | 1025 mb (30.27 in) | Calm | - | 9SM |
| | KMYL 291528Z AUTO 00000KT 9SM FEW001 M11/M12 A3028 RMK AO2 FZRANO |
| 08:21 MST |  Mostly Cloudy Fog And Mist | -11°C / 12°F | -12°C / 10°F | 92% | 1025 mb (30.27 in) | Calm | - | 2SM |
| | KMYL 291521Z AUTO 00000KT 2SM BR SCT001 BKN007 M11/M12 A3028 RMK AO2 VIS 1V5 FZRANO |
| 08:18 MST |  Mostly Cloudy Fog And Mist | -11°C / 12°F | -12°C / 10°F | 92% | 1025 mb (30.27 in) | Calm | - | 1SM |
| | KMYL 291518Z AUTO 00000KT 1SM BR BKN001 BKN007 M11/M12 A3028 RMK AO2 VIS 1/2V3 FZRANO |
| 08:10 MST |  Mostly Cloudy Fog And Mist | -11°C / 12°F | -12°C / 10°F | 92% | 1025 mb (30.27 in) | Calm | - | 1 3/4SM |
| | KMYL 291510Z AUTO 00000KT 1 3/4SM BR BKN001 BKN007 M11/M12 A3028 RMK AO2 FZRANO |
| 08:08 MST |  Mostly Cloudy Fog And Mist | -11°C / 12°F | -13°C / 9°F | 85% | 1025 mb (30.27 in) | Calm | - | 3SM |
| | KMYL 291508Z AUTO 00000KT 3SM BR BKN001 BKN007 M11/M13 A3028 RMK AO2 FZRANO |
| 08:06 MST |  Mostly Cloudy Fog And Mist | -11°C / 12°F | -12°C / 10°F | 92% | 1025 mb (30.27 in) | Calm | - | 1 1/2SM |
| | KMYL 291506Z AUTO 00000KT 1 1/2SM BR BKN001 BKN007 M11/M12 A3028 RMK AO2 FZRANO |
| 08:03 MST |  Mostly Cloudy Fog And Mist | -11°C / 12°F | -12°C / 10°F | 92% | 1025 mb (30.27 in) | Calm | - | 3/4SM |
| | KMYL 291503Z AUTO 00000KT 3/4SM BR BKN001 BKN007 M11/M12 A3028 RMK AO2 FZRANO |
| 07:56 MST |  Mostly Cloudy Fog And Mist | -12°C / 10°F | -13°C / 9°F | 92% | 1025 mb (30.27 in) | Calm | - | 1SM |
| | KMYL 291456Z AUTO 00000KT 1SM BR SCT001 BKN007 M12/M13 A3028 RMK AO2 VIS 1/4V5 FZRANO |
| 07:50 MST |  Partly Cloudy Fog And Mist | -12°C / 10°F | -13°C / 9°F | 92% | 1025 mb (30.27 in) | Calm | - | 2SM |
| | KMYL 291450Z AUTO 00000KT 2SM BR SCT001 M12/M13 A3028 RMK AO2 SLP306 T11171128 51006 FZRANO |
| 07:07 MST |  Partly Cloudy | -10°C / 14°F | -12°C / 10°F | 85% | 1025 mb (30.27 in) | SE 6 kph (SE 3.5 mph) | - | 10SM |
| | KMYL 291407Z AUTO 12003KT 10SM FEW001 M10/M12 A3027 RMK AO2 FZRANO |
| 06:50 MST |  Clear | -11°C / 12°F | -12°C / 10°F | 92% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KMYL 291350Z AUTO 00000KT 10SM CLR M11/M12 A3027 RMK AO2 SLP301 T11111122 FZRANO |
| 05:50 MST |  Clear | -11°C / 12°F | -12°C / 10°F | 92% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KMYL 291250Z AUTO 00000KT 10SM CLR M11/M12 A3026 RMK AO2 SLP301 T11111122 FZRANO |
| 04:50 MST |  Clear | -11°C / 12°F | -12°C / 10°F | 92% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KMYL 291150Z AUTO 00000KT 10SM CLR M11/M12 A3026 RMK AO2 SLP291 T11061122 11072 21111 50000 FZRANO |
| 03:50 MST |  Clear | -10°C / 14°F | -12°C / 10°F | 85% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KMYL 291050Z AUTO 00000KT 10SM CLR M10/M12 A3027 RMK AO2 SLP292 T11001117 FZRANO |
| 02:50 MST |  Clear | -10°C / 14°F | -12°C / 10°F | 85% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KMYL 290950Z AUTO 00000KT 10SM CLR M10/M12 A3026 RMK AO2 SLP290 T11001117 FZRANO |
| 01:50 MST |  Clear | -9°C / 16°F | -11°C / 12°F | 86% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KMYL 290850Z AUTO 00000KT 10SM CLR M09/M11 A3026 RMK AO2 SLP291 T10941106 52007 FZRANO |
| 00:50 MST |  Clear | -9°C / 16°F | -11°C / 12°F | 86% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KMYL 290750Z AUTO 00000KT 10SM CLR M09/M11 A3025 RMK AO2 SLP291 T10941106 FZRANO |