| 14:51 MST |  Clear | -6°C / 21°F | -10°C / 14°F | 74% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KMYL 252151Z AUTO 00000KT 10SM CLR M06/M10 A3014 RMK AO2 SLP277 T10561100 FZRANO |
| 13:51 MST |  Clear | -8°C / 18°F | -11°C / 12°F | 79% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KMYL 252051Z AUTO 00000KT 10SM CLR M08/M11 A3015 RMK AO2 SLP285 T10831106 56016 FZRANO |
| 12:51 MST |  Clear | -9°C / 16°F | -13°C / 9°F | 73% | 1021 mb (30.15 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KMYL 251951Z AUTO 16003KT 10SM CLR M09/M13 A3016 RMK AO2 SLP293 T10941128 FZRANO |
| 11:51 MST |  Clear | -9°C / 16°F | -13°C / 9°F | 73% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KMYL 251851Z AUTO 00000KT 10SM CLR M09/M13 A3018 RMK AO2 SLP299 T10941128 FZRANO |
| 11:14 MST |  Clear | -10°C / 14°F | -14°C / 7°F | 73% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KMYL 251814Z AUTO 00000KT 10SM CLR M10/M14 A3019 RMK AO2 FZRANO |
| 11:06 MST |  Partly Cloudy Hazy | -11°C / 12°F | -14°C / 7°F | 79% | 1023 mb (30.21 in) | Calm | - | 2SM |
| | KMYL 251806Z AUTO 00000KT 2SM HZ FEW001 M11/M14 A3020 RMK AO2 FZRANO |
| 10:56 MST |  Partly Cloudy Hazy | -11°C / 12°F | -14°C / 7°F | 79% | 1023 mb (30.21 in) | Calm | - | 1 1/4SM |
| | KMYL 251756Z AUTO 00000KT 1 1/4SM HZ SCT001 M11/M14 A3020 RMK AO2 VIS 1/2V5 FZRANO |
| 10:51 MST |  Obscured Hazy | -11°C / 12°F | -14°C / 7°F | 79% | 1023 mb (30.21 in) | Calm | - | 3/4SM |
| | KMYL 251751Z AUTO 00000KT 3/4SM HZ VV001 M11/M14 A3020 RMK AO2 VIS 1/2V1 1/2 SLP310 T11111139 11111 21194 50001 FZRANO |
| 10:35 MST |  Obscured Hazy | -12°C / 10°F | -15°C / 5°F | 79% | 1023 mb (30.21 in) | Calm | - | 3/4SM |
| | KMYL 251735Z AUTO 00000KT 3/4SM HZ VV001 M12/M15 A3020 RMK AO2 FZRANO |
| 10:21 MST |  Mostly Cloudy Hazy | -13°C / 9°F | -16°C / 3°F | 78% | 1023 mb (30.21 in) | Calm | - | 1 3/4SM |
| | KMYL 251721Z AUTO 00000KT 1 3/4SM HZ BKN001 M13/M16 A3020 RMK AO2 VIS 3/4V5 FZRANO |
| 10:19 MST |  Mostly Cloudy Hazy | -13°C / 9°F | -17°C / 1°F | 72% | 1023 mb (30.21 in) | Calm | - | 3SM |
| | KMYL 251719Z AUTO 00000KT 3SM HZ BKN001 M13/M17 A3020 RMK AO2 FZRANO |
| 10:16 MST |  Mostly Cloudy Hazy | -13°C / 9°F | -17°C / 1°F | 72% | 1023 mb (30.21 in) | Calm | - | 1 1/2SM |
| | KMYL 251716Z AUTO 00000KT 1 1/2SM HZ BKN001 M13/M17 A3020 RMK AO2 VIS 1/2V5 FZRANO |
| 10:13 MST |  Obscured Hazy | -13°C / 9°F | -16°C / 3°F | 78% | 1023 mb (30.21 in) | Calm | - | 3/4SM |
| | KMYL 251713Z AUTO 00000KT 3/4SM HZ VV001 M13/M16 A3020 RMK AO2 VIS 1/4V4 FZRANO |
| 10:07 MST |  Obscured Hazy | -14°C / 7°F | -17°C / 1°F | 78% | 1023 mb (30.21 in) | Calm | - | 1SM |
| | KMYL 251707Z AUTO 00000KT 1SM HZ VV001 M14/M17 A3020 RMK AO2 FZRANO |
| 10:01 MST |  Mostly Cloudy Hazy | -14°C / 7°F | -17°C / 1°F | 78% | 1023 mb (30.21 in) | Calm | - | 2 1/2SM |
| | KMYL 251701Z AUTO 00000KT 2 1/2SM HZ BKN001 BKN040 M14/M17 A3020 RMK AO2 FZRANO |
| 09:51 MST |  Mostly Cloudy Hazy | -14°C / 7°F | -18°C / 0°F | 72% | 1023 mb (30.21 in) | Calm | - | 6SM |
| | KMYL 251651Z AUTO 00000KT 6SM HZ BKN001 BKN038 M14/M18 A3020 RMK AO2 SLP318 T11441178 FZRANO |
| 09:45 MST |  Mostly Cloudy Hazy | -14°C / 7°F | -18°C / 0°F | 72% | 1023 mb (30.21 in) | Calm | - | 4SM |
| | KMYL 251645Z AUTO 00000KT 4SM HZ SCT001 BKN040 M14/M18 A3020 RMK AO2 FZRANO |
| 09:39 MST |  Mostly Cloudy Hazy | -16°C / 3°F | -18°C / 0°F | 85% | 1023 mb (30.21 in) | Calm | - | 3SM |
| | KMYL 251639Z AUTO 00000KT 3SM HZ BKN001 BKN040 M16/M18 A3020 RMK AO2 FZRANO |
| 09:36 MST |  Mostly Cloudy Hazy | -16°C / 3°F | -18°C / 0°F | 85% | 1023 mb (30.21 in) | Calm | - | 1 3/4SM |
| | KMYL 251636Z AUTO 00000KT 1 3/4SM HZ BKN001 BKN040 M16/M18 A3020 RMK AO2 FZRANO |
| 09:34 MST |  Mostly Cloudy Hazy | -16°C / 3°F | -18°C / 0°F | 85% | 1023 mb (30.21 in) | Calm | - | 1SM |
| | KMYL 251634Z AUTO 00000KT 1SM HZ SCT001 BKN040 M16/M18 A3020 RMK AO2 FZRANO |
| 08:53 MST |  Overcast Fog | -18°C / 0°F | -19°C / -2°F | 92% | 1023 mb (30.21 in) | Calm | - | 1/2SM |
| | KMYL 251553Z AUTO 00000KT 1/2SM FZFG BKN001 OVC047 M18/M19 A3020 RMK AO2 FZRANO |
| 08:51 MST |  Overcast Fog And Mist | -18°C / 0°F | -19°C / -2°F | 92% | 1023 mb (30.21 in) | Calm | - | 1 3/4SM |
| | KMYL 251551Z AUTO 00000KT 1 3/4SM BR BKN001 OVC047 M18/M19 A3020 RMK AO2 SLP326 T11781194 FZRANO |
| 08:34 MST |  Overcast Fog And Mist | -18°C / 0°F | -19°C / -2°F | 92% | 1023 mb (30.21 in) | Calm | - | 4SM |
| | KMYL 251534Z AUTO 00000KT 4SM BR BKN001 OVC047 M18/M19 A3020 RMK AO2 FZRANO |
| 08:25 MST |  Overcast Fog And Mist | -19°C / -2°F | -19°C / -2°F | 100% | 1022 mb (30.18 in) | Calm | - | 2SM |
| | KMYL 251525Z AUTO 00000KT 2SM BR BKN001 OVC047 M19/M19 A3019 RMK AO2 FZRANO |
| 08:01 MST |  Overcast | -19°C / -2°F | -21°C / -6°F | 84% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KMYL 251501Z AUTO 00000KT 10SM BKN001 OVC047 M19/M21 A3019 RMK AO2 FZRANO |
| 07:51 MST |  Mostly Cloudy | -19°C / -2°F | -21°C / -6°F | 84% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KMYL 251451Z AUTO 00000KT 10SM SCT001 BKN047 M19/M21 A3020 RMK AO2 SLP321 T11891206 56002 FZRANO |
| 07:45 MST |  Mostly Cloudy | -18°C / 0°F | -21°C / -6°F | 78% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KMYL 251445Z AUTO 00000KT 10SM FEW001 BKN047 M18/M21 A3020 RMK AO2 FZRANO |
| 06:51 MST |  Clear | -19°C / -2°F | -22°C / -8°F | 77% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KMYL 251351Z AUTO 00000KT 10SM CLR M19/M22 A3020 RMK AO2 SLP322 T11941217 FZRANO |
| 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 |