| 05:02 MST |  Overcast Light Snow | -3°C / 27°F | -4°C / 25°F | 93% | 1003 mb (29.62 in) | Calm | 0.00 mm (0.00 in) | 1 3/4SM |
| | KMYL 221202Z AUTO 00000KT 1 3/4SM -SN BR BKN011 BKN028 OVC033 M03/M04 A2961 RMK AO2 P0000 FZRANO |
| 04:51 MST |  Overcast Light Snow | -3°C / 27°F | -4°C / 25°F | 93% | 1003 mb (29.62 in) | Calm | 1.27 mm (0.05 in) | 1SM |
| | KMYL 221151Z AUTO 00000KT 1SM -SN BR BKN005 OVC028 M03/M04 A2961 RMK AO2 SLP044 P0005 60018 70026 T10281039 10006 21028 51005 FZRANO |
| 04:31 MST |  Obscured Light Snow | -3°C / 27°F | -3°C / 27°F | 100% | 1002 mb (29.59 in) | SSW 6 kph (SSW 3.5 mph) | 0.76 mm (0.03 in) | 3/4SM |
| | KMYL 221131Z AUTO 25003KT 3/4SM -SN BR VV005 M03/M03 A2960 RMK AO2 P0003 FZRANO |
| 04:13 MST |  Obscured Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1002 mb (29.59 in) | Calm | 0.51 mm (0.02 in) | 1SM |
| | KMYL 221113Z AUTO 00000KT 1SM -SN BR VV007 M02/M03 A2960 RMK AO2 P0002 FZRANO |
| 04:04 MST |  Obscured Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1002 mb (29.59 in) | SSW 7 kph (SSW 4.6 mph) | 0.25 mm (0.01 in) | 3/4SM |
| | KMYL 221104Z AUTO 26004KT 3/4SM -SN BR VV007 M02/M03 A2960 RMK AO2 P0001 FZRANO |
| 03:56 MST |  Obscured Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1002 mb (29.59 in) | SSW 9 kph (SSW 5.8 mph) | 0.00 mm (0.00 in) | 1SM |
| | KMYL 221056Z AUTO 26005KT 1SM -SN BR VV008 M02/M03 A2960 RMK AO2 P0000 FZRANO |
| 03:51 MST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1002 mb (29.59 in) | SSW 9 kph (SSW 5.8 mph) | 1.02 mm (0.04 in) | 2SM |
| | KMYL 221051Z AUTO 26005KT 2SM -SN BR OVC009 M02/M03 A2960 RMK AO2 SLP040 P0004 T10221033 FZRANO |
| 03:41 MST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1002 mb (29.59 in) | SSW 11 kph (SSW 6.9 mph) | 1.02 mm (0.04 in) | 1 1/4SM |
| | KMYL 221041Z AUTO 26006KT 1 1/4SM -SN BR OVC007 M02/M03 A2960 RMK AO2 P0004 FZRANO |
| 03:28 MST |  Overcast Light Snow | -2°C / 28°F | -2°C / 28°F | 100% | 1002 mb (29.59 in) | W 11 kph (W 6.9 mph) | 0.76 mm (0.03 in) | 3/4SM |
| | KMYL 221028Z AUTO 28006KT 3/4SM -SN BR BKN006 OVC016 M02/M02 A2960 RMK AO2 P0003 FZRANO |
| 03:17 MST |  Overcast Light Snow | -2°C / 28°F | -2°C / 28°F | 100% | 1002 mb (29.59 in) | W 7 kph (W 4.6 mph) | 0.51 mm (0.02 in) | 1 1/4SM |
| | KMYL 221017Z AUTO 28004KT 1 1/4SM -SN BR BKN006 OVC016 M02/M02 A2960 RMK AO2 P0002 FZRANO |
| 03:02 MST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1002 mb (29.59 in) | W 9 kph (W 5.8 mph) | 0.25 mm (0.01 in) | 1SM |
| | KMYL 221002Z AUTO 27005KT 1SM -SN BR BKN006 OVC014 M01/M02 A2960 RMK AO2 P0001 FZRANO |
| 02:59 MST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1002 mb (29.59 in) | W 7 kph (W 4.6 mph) | 0.25 mm (0.01 in) | 3/4SM |
| | KMYL 220959Z AUTO 27004KT 3/4SM -SN BR BKN004 OVC014 M01/M02 A2960 RMK AO2 P0001 FZRANO |
| 02:51 MST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1002 mb (29.59 in) | W 13 kph (W 8.1 mph) | 2.03 mm (0.08 in) | 1SM |
| | KMYL 220951Z AUTO 28007KT 1SM -SN BR BKN004 OVC010 M01/M02 A2960 RMK AO2 SLP037 P0008 T10111017 FZRANO |
| 02:34 MST |  Overcast Light Snow | -1°C / 30°F | -1°C / 30°F | 100% | 1002 mb (29.59 in) | W 7 kph (W 4.6 mph) | 1.78 mm (0.07 in) | 1 1/4SM |
| | KMYL 220934Z AUTO 27004KT 1 1/4SM -SN BR BKN004 OVC010 M01/M01 A2959 RMK AO2 P0007 FZRANO |
| 02:16 MST |  Overcast Snow | 0°C / 32°F | 0°C / 32°F | 100% | 1002 mb (29.59 in) | Calm | 1.02 mm (0.04 in) | 1/2SM |
| | KMYL 220916Z AUTO 00000KT 1/2SM SN FG BKN004 OVC008 00/00 A2959 RMK AO2 P0004 FZRANO |
| 02:03 MST |  Overcast Snow | 0°C / 32°F | -1°C / 30°F | 93% | 1002 mb (29.59 in) | Calm | 0.25 mm (0.01 in) | 1/2SM |
| | KMYL 220903Z AUTO 00000KT 1/2SM SN FG BKN006 OVC010 00/M01 A2959 RMK AO2 CIG 001V008 P0001 FZRANO |
| 01:56 MST |  Overcast Light Snow | 0°C / 32°F | -1°C / 30°F | 93% | 1002 mb (29.59 in) | SW 6 kph (SW 3.5 mph) | 0.00 mm (0.00 in) | 3/4SM |
| | KMYL 220856Z AUTO 23003KT 3/4SM -SN BR BKN010 OVC016 00/M01 A2959 RMK AO2 CIG 006V012 P0000 FZRANO |
| 01:51 MST |  Overcast Light Snow | 0°C / 32°F | 0°C / 32°F | 100% | 1002 mb (29.59 in) | Calm | 0.25 mm (0.01 in) | 1 1/2SM |
| | KMYL 220851Z AUTO 00000KT 1 1/2SM -SN BR BKN010 OVC016 00/00 A2959 RMK AO2 SNB0756E22B48 CIG 006V012 SLP029 P0001 60001 T00000000 56004 FZRANO |
| 01:48 MST |  Overcast Light Snow | 0°C / 32°F | 0°C / 32°F | 100% | 1002 mb (29.59 in) | Calm | 0.25 mm (0.01 in) | 1 3/4SM |
| | KMYL 220848Z AUTO 00000KT 1 3/4SM -SN BR BKN010 OVC016 00/00 A2959 RMK AO2 SNB0756E22B48 CIG 008V012 P0001 FZRANO |
| 01:42 MST |  Overcast Fog And Mist | 0°C / 32°F | 0°C / 32°F | 100% | 1002 mb (29.59 in) | Calm | 0.25 mm (0.01 in) | 2SM |
| | KMYL 220842Z AUTO 00000KT 2SM BR SCT010 OVC018 00/00 A2959 RMK AO2 VIS 1 1/2V3 SNB0756E22 P0001 FZRANO |
| 01:36 MST |  Overcast Fog And Mist | 0°C / 32°F | -1°C / 30°F | 93% | 1002 mb (29.59 in) | Calm | 0.25 mm (0.01 in) | 3SM |
| | KMYL 220836Z AUTO 00000KT 3SM BR FEW010 OVC018 00/M01 A2959 RMK AO2 SNB0756E22 P0001 FZRANO |
| 01:18 MST |  Overcast Light Snow | 0°C / 32°F | 0°C / 32°F | 100% | 1002 mb (29.59 in) | Calm | 0.25 mm (0.01 in) | 2SM |
| | KMYL 220818Z AUTO 00000KT 2SM -SN BR SCT016 OVC022 00/00 A2959 RMK AO2 SNB0756 P0001 FZRANO |
| 01:12 MST |  Overcast Light Snow | 0°C / 32°F | 0°C / 32°F | 100% | 1002 mb (29.59 in) | Calm | 0.25 mm (0.01 in) | 1SM |
| | KMYL 220812Z AUTO 00000KT 1SM -SN BR OVC022 00/00 A2960 RMK AO2 SNB0756 P0001 FZRANO |
| 01:03 MST |  Overcast Light Snow | 0°C / 32°F | -1°C / 30°F | 93% | 1002 mb (29.59 in) | Calm | 0.25 mm (0.01 in) | 1 3/4SM |
| | KMYL 220803Z AUTO 00000KT 1 3/4SM -SN BR FEW015 BKN022 OVC029 00/M01 A2960 RMK AO2 SNB0756 P0001 FZRANO |
| 00:51 MST |  Overcast | 0°C / 32°F | 0°C / 32°F | 100% | 1002 mb (29.59 in) | Calm | 0.00 mm (0.00 in) | 8SM |
| | KMYL 220751Z AUTO 00000KT 8SM OVC026 00/00 A2960 RMK AO2 SNB0655E50 SLP034 P0000 T00000000 FZRANO |
| 00:48 MST |  Overcast Light Snow | 0°C / 32°F | 0°C / 32°F | 100% | 1002 mb (29.59 in) | Calm | 0.00 mm (0.00 in) | 7SM |
| | KMYL 220748Z AUTO 00000KT 7SM -SN OVC028 00/00 A2960 RMK AO2 SNB0655 P0000 FZRANO |
| 00:05 MST |  Overcast Light Snow | 0°C / 32°F | 0°C / 32°F | 100% | 1003 mb (29.62 in) | NNW 7 kph (NNW 4.6 mph) | 0.00 mm (0.00 in) | 7SM |
| | KMYL 220705Z AUTO 34004KT 7SM -SN SCT020 OVC030 00/00 A2962 RMK AO2 SNB0655 P0000 FZRANO |