| 05:18 MST | 
Clear | -3°C / 27°F | -16°C / 3°F | 36% | 1010 mb
(29.83 in) | Calm | - | 10SM |
| | K7BM 221218Z AUTO 00000KT 10SM CLR M03/M16 A2984
RMK AO2 |
| 04:58 MST |
Clear | -2°C / 28°F | -16°C / 3°F | 34% | 1011 mb
(29.85 in) | Calm | - | 10SM |
| | K7BM 221158Z AUTO 00000KT 10SM CLR M02/M16 A2985
RMK AO2 |
| 04:38 MST | 
Partly Cloudy | -3°C / 27°F | -16°C / 3°F | 36% | 1011 mb
(29.85 in) | Calm | - | 10SM |
| | K7BM 221138Z AUTO 00000KT 10SM SCT120 M03/M16 A2986
RMK AO2 |
| 04:18 MST |
Partly Cloudy | -2°C / 28°F | -16°C / 3°F | 34% | 1011 mb
(29.85 in) | Calm | - | 10SM |
| | K7BM 221118Z AUTO 00000KT 10SM SCT090 SCT110 M02/M16 A2986
RMK AO2 |
| 03:58 MST | 
Mostly Cloudy | -2°C / 28°F | -16°C / 3°F | 34% | 1012 mb
(29.88 in) | Calm | - | 10SM |
| | K7BM 221058Z AUTO 00000KT 10SM BKN100 BKN110 M02/M16 A2987
RMK AO2 |
| 03:38 MST |
Mostly Cloudy | -2°C / 28°F | -16°C / 3°F | 34% | 1012 mb
(29.88 in) | Calm | - | 10SM |
| | K7BM 221038Z AUTO 00000KT 10SM BKN110 M02/M16 A2988
RMK AO2 |
| 03:18 MST |
Partly Cloudy | -2°C / 28°F | -15°C / 5°F | 37% | 1012 mb
(29.88 in) | S 6 kph
(S 3.5 mph) | - | 10SM |
| | K7BM 221018Z AUTO 19003KT 10SM SCT110 M02/M15 A2989
RMK AO2 |
| 02:58 MST |
Partly Cloudy | -2°C / 28°F | -15°C / 5°F | 37% | 1013 mb
(29.91 in) | SE 6 kph
(SE 3.5 mph) | - | 10SM |
| | K7BM 220958Z AUTO 13003KT 10SM SCT120 M02/M15 A2990
RMK AO2 |
| 02:38 MST |
Partly Cloudy | -2°C / 28°F | -15°C / 5°F | 37% | 1013 mb
(29.91 in) | Calm | - | 10SM |
| | K7BM 220938Z AUTO 00000KT 10SM SCT120 M02/M15 A2991
RMK AO2 |
| 02:18 MST |
Clear | -1°C / 30°F | -16°C / 3°F | 31% | 1013 mb
(29.91 in) | Calm | - | 10SM |
| | K7BM 220918Z AUTO 00000KT 10SM CLR M01/M16 A2991
RMK AO2 |
| 01:58 MST |
Clear | -1°C / 30°F | -17°C / 1°F | 29% | 1013 mb
(29.91 in) | Calm | - | 10SM |
| | K7BM 220858Z AUTO 00000KT 10SM CLR M01/M17 A2991
RMK AO2 |
| 01:38 MST |
Clear | 0°C / 32°F | -18°C / 0°F | 25% | 1013 mb
(29.91 in) | Calm | - | 10SM |
| | K7BM 220838Z AUTO 00000KT 10SM CLR 00/M18 A2992
RMK AO2 |
| 01:18 MST |
Clear | -1°C / 30°F | -16°C / 3°F | 31% | 1013 mb
(29.91 in) | Calm | - | 10SM |
| | K7BM 220818Z AUTO 00000KT 10SM CLR M01/M16 A2992
RMK AO2 |
| 00:58 MST |
Clear | -2°C / 28°F | -15°C / 5°F | 37% | 1014 mb
(29.94 in) | Calm | - | 10SM |
| | K7BM 220758Z AUTO 00000KT 10SM CLR M02/M15 A2993
RMK AO2 |
| 00:38 MST |
Clear | -2°C / 28°F | -14°C / 7°F | 40% | 1014 mb
(29.94 in) | Calm | - | 10SM |
| | K7BM 220738Z AUTO 00000KT 10SM CLR M02/M14 A2993
RMK AO2 |
| 00:18 MST |
Clear | -2°C / 28°F | -15°C / 5°F | 37% | 1014 mb
(29.94 in) | Calm | - | 10SM |
| | K7BM 220718Z AUTO 00000KT 10SM CLR M02/M15 A2994
RMK AO2 |
